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Data / Foundation grants / Environment / Connecticut

Who funds environment in Connecticut: 399 foundations, $17.2 million in grants

399 private foundations paid 703 grants totaling $17,169,698 to environment nonprofits in Connecticut, in each foundation's latest Form 990-PF return, filed with the IRS from 2024 to 2026. The largest funder is Lilly Endowment Inc, with $3,002,250 in 2 grants.

SpecStream is the live web data engine for teams and agents. It reads every private foundation's Form 990-PF as the IRS publishes it, and this page is that reading. Ask for the foundations that fund your cause in your state, with the amounts and purposes, and new grants arrive in your sheet, CRM, Slack or agent as the returns are filed.

Cause
Environment
Recipients in
Connecticut
Foundations
399
Grants
703
Total granted
$17,169,698

Foundations that funded environment in Connecticut

Ranked by the total each paid to these recipients. The 300 largest of 399 are listed.

FoundationBased inGrantsTotalLargest grantLargest grant toPurposeSource
Lilly Endowment IncIndianapolis, IN2$3,002,250$3,000,000Keep America Beautiful IncCapacity building supportapps.irs.gov
The Peter and Carmen Lucia Buck Foundation IncNew York, NY5$2,550,000$1,850,000Connecticut Land Conservation CouncilLand capital grant programapps.irs.gov
Deer Pond Farm Fund XXXXX6006Chicago, IL1$1,408,253$1,408,253Connecticut Audubon SocietyGeneralapps.irs.gov
The Jaffe Family FoundationValley Cottage, NY2$1,370,250$1,370,000Climate Change for All Educators IncSupport charitable purposeapps.irs.gov
McChord FoundationNorwalk, CT2$575,000$475,000Newtown Forest AssociationGeneralapps.irs.gov
Freedom Together FoundationNew York, NY1$500,000$500,000Inclusive Prosperity Capital IncEnsuring equity in the clean energy transition: scaling the enerwealth modelapps.irs.gov
The Schmidt Family FoundationPalo Alto, CA2$341,499$201,500Inclusive Prosperity Capital IncCentering unrepresented voices in the environmental movement, encouraging a just transition away from fossil fuelsapps.irs.gov
Macricostas Family FoundationincJupiter, FL1$250,000$250,000Steep Rock AssociationRestoration of isaac camp houseapps.irs.gov
The Alvin and Fanny B Thalheimer Foundation IncTowson, MD1$250,000$250,000Steep Rock Association IncProgram grantapps.irs.gov
The Henry L and Grace Doherty Charitable Foundation IncSea Girt, NJ1$250,000$250,000Save the SoundGeneral supportapps.irs.gov
The Stanley H & Theodora L Feldberg FoundationAuburn, MA1$215,000$215,000Northwest Connecticut Land ConservancyTo further the activities for which it was accorded tax exempt status under irc section 501 (c)(3)apps.irs.gov
Synchrony FoundationStamford, CT2$210,000$110,000Bartlett Arboretum Association IncFunding supports general operations and programming.apps.irs.gov
The McKnight FoundationMinneapolis, MN1$200,000$200,000Inclusive Prosperity Capital Incfor general operating supportapps.irs.gov
Jeniam FoundationNewtown, CT6$195,500$100,000Waveny Park Conservancy IncWoodlands restoration and meadow upgradesapps.irs.gov
Kitchings Family FoundationOrlando, FL7$190,000$70,000The Connecticut Audubon SocietyGeneral operatingapps.irs.gov
Anne and Rollin Bates Foundation IncHartford, CT2$180,000$175,000Northwest Connecticut Land ConservancyDesignated giftapps.irs.gov
Lucy E Holcombe Charitable FoundationWarren, RI1$180,000$180,000Granby Land TrustLandconservationpurchaseapps.irs.gov
The Bunting Family FoundationHunt Valley, MD1$175,000$175,000Save the SoundTo further the exempt purpose of the organizationapps.irs.gov
Clif Family FoundationSaint Helena, CA1$125,000$125,000Wholesome WaveTransform Food Systemsapps.irs.gov
Dalio Foundation IncWestport, CT3$125,000$100,000Keep Stamford Beautiful IncRestricted to support stamford parks community partnership initiativeapps.irs.gov
The Rachael Ray FoundationNew York, NY1$125,000$125,000Wholesome WaveAn unrestricted grant to further the donee's exempt purposeapps.irs.gov
The Summer Hill FoundationMadison, CT2$115,000$100,000The Wyndham Land Trust IncFurtherance of tax exempt activitiesapps.irs.gov
Bafflin FoundationProvidence, RI2$110,000$100,000Wyndham Land TrustLand conservationapps.irs.gov
Hilton Global FoundationMcLean, VA1$100,000$100,000Keep America BeautifulAnnual grant program 2024apps.irs.gov
Philip Stephenson FoundationAlexandria, VA1$100,000$100,000Ocean Exploration TrustOcean explorationapps.irs.gov
The Common Sense Fund IncGreenwich, CT1$100,000$100,000Save the SoundTo support the organizations mission to fight climate change, save endangered lands, protect the sound and its rivers, and work with nature to restore ecosystems.apps.irs.gov
The Hayes FoundationNew Haven, CT2$100,000$50,000Guilford Land Conservation TrustEnvironmentapps.irs.gov
Mle Foundation IncNew Canaan, CT3$90,000$40,000Connecticut Audubon SocietyGeneral purposeapps.irs.gov
Garver Black Hilyard Family FoundationHouston, TX1$78,000$78,000Keep America BeautifulGeneral Charitable Purposesapps.irs.gov
Steve and Diane Parrish FoundationWilmington, DE1$71,429$71,429Earthplace the Nature Discovery Center IncCapital campaign to install and operate a Science on a sphere teaching platform in a new science center exhibit spaceapps.irs.gov
The Rudolph J & Daphne A Munzer FoundationLong Beach, CA5$71,000$60,000Sound Waters IncSoundwaters research intensive (sri)apps.irs.gov
Carlson Family FoundationChapel Hill, NC2$70,000$50,000Sound Waters IncMajor grantapps.irs.gov
PF & RJ Morganti FoundationGarden City, NY1$70,000$70,000Woodcock Nature CenterGeberal purposeapps.irs.gov
The Wildwood FoundationNew York, NY1$65,000$65,000Connecticut Audubon SocietyFor mission supportapps.irs.gov
The Werth Family Foundation IncWoodbridge, CT4$62,400$35,000Gather New HavenCharitableapps.irs.gov
Ada M Wolf Declaration of TrustPlymouth, MA1$59,670$59,670Joshuas Tract Conservation & Historic TrustConservationapps.irs.gov
Virginia B Squiers Foundation-TrustPittsburgh, PA1$58,000$58,000Connecticut Audubon Society IncGeneral operatingapps.irs.gov
The Scripps Family Fund for Education and the ArtsFt Mitchell, KY3$57,000$40,000Connecticut Audubon Society IncScience in nature programsapps.irs.gov
The Rockefeller FoundationNew York, NY1$55,000$55,000Wholesome Wave IncFor use by its national produce prescription collaborative toward the costs of an effort to expand produce prescription programs in the u.s. as prevention and intervention for diet-related disease.apps.irs.gov
The Leni & Peter May Family FoundationPalm Beach, FL2$52,500$50,000Northwest Connecticut Land ConservancyExempt activitiesapps.irs.gov
Dorothy O Mills 1993 Charitable TrustNew York, NY1$50,549$50,549Save the Sound IncGeneral operatingapps.irs.gov
Brothers Brook FoundationDenver, CO2$50,000$25,000Friends of the Norwalk River Valley Trail IncCreate or preserve open spaceapps.irs.gov
Lee and Cynthia Vance FoundationSaratoga Springs, NY1$50,000$50,000Warren Land TrustGeneral operating supportapps.irs.gov
Oechsle Family Foundation IncWilmington, DE1$50,000$50,000Gather New HavenFarm-Based Wellness Programapps.irs.gov
The Dave H & Reba W Williams FoundationCharlottesville, VA1$50,000$50,000Greenwich Tree ConservancyGeneralapps.irs.gov
The McCance FoundationNorth Scituate, MA1$50,000$50,000Save the SoundGeneral Supportapps.irs.gov
Travelers FoundationSt Paul, MN1$50,000$50,000Hartford Land Bank IncProgram support for the Gap Funding Programapps.irs.gov
S & L Marx FoundationWilmington, DE5$46,000$25,000Warren Land Trust IncPreservation of Tanner Farm and Mountain Lake Preserveapps.irs.gov
Gary Saltz Foundation IncNew York, NY2$45,000$35,000Housatonic Valley AssociationGeneral supportapps.irs.gov
Sarah Decoizart Perpetual Charitable TrustChicago, IL1$45,000$45,000Housatonic Valley Association IncGeneral supportapps.irs.gov
The Sassafras FoundationBranford, CT1$45,000$45,000Save the SoundGeneral supportapps.irs.gov
David L Klein Jr FoundationKing of Prussia, PA2$40,000$30,000Housatonic Valley Association IncSupport for charitable operationsapps.irs.gov
The Oaklawn FoundationincWilton, CT3$40,000$27,000Woodcock Nature CenterGrant for general operating fund and director's grant to 501c organizationapps.irs.gov
HRD-C FoundationNaples, FL3$37,422$21,351Litchfield Land TrustGeneral purposeapps.irs.gov
Thomaston Savings Bank Foundation IncThomaston, CT7$37,055$25,000Environmental Learning Centers of ConnecticutFinal Installment of the Wallace Barnes Accessible Nature Trailapps.irs.gov
Seherr-Thoss Charitable TrustGarden City, NY1$35,000$35,000Litchfield Land TrustGeneral supportapps.irs.gov
Stranahan FoundationPerrysburg, OH1$35,000$35,000The Connecticut Audubon Society IncorporatedCreating a pathway to stem learning and careers in underserved urban communitiesapps.irs.gov
The Robert & Mary Lou Morgado Charitable TrustNew York, NY3$35,000$20,000Northwest Connecticut Land ConservancyCharitableapps.irs.gov
The Stairway FundChicago, IL3$35,000$25,000Steep Rock AssociationGeneral operating support/annual giftapps.irs.gov
Tortimaki FoundationWilmington, DE2$35,000$20,000Save the Sound IncThe Sound Future Campaignapps.irs.gov
Trust Ua Katherine J Murphy FDN - MiscOrlando, FL1$35,000$35,000Wholesome Wave IncGeneral operatingapps.irs.gov
The Resource Foundation IncGreenwich, CT3$33,150$30,000Greenwich Land TrustYouth corp & internapps.irs.gov
Wescustogo FoundationCaptiva, FL2$33,000$25,000Save the SoundGeneral Supportapps.irs.gov
Fields Pond Foundation IncAuburndale, MA4$32,500$10,000Groton Open Space Association IncCreation of center groton preserve with the acquisition of 89 acres that will protect drinking w...apps.irs.gov
The Kestrel FoundationWashington, CT4$31,000$15,000Steep Rock AssociationGeneral supportapps.irs.gov
Helios FoundationNeenah, WI3$30,000$15,000Groton Open Space AssociationGeneral supportapps.irs.gov
Jack's Foundation IncSt James, NY1$30,000$30,000Save the SoundUnrestricted donationapps.irs.gov
Kettering Family FoundationDayton, OH1$30,000$30,000Northwest Connecticut Land ConservancyUnrestricted operating supportapps.irs.gov
Liberty Bank Foundation IncMiddletown, CT2$30,000$25,000Hartford Land BankTo support the gap homeownership investment programapps.irs.gov
Sandpiper Fund IncNew Rochelle, NY1$30,000$30,000Save the SoundTo further donee's exempt purposeapps.irs.gov
Sun Hill Renewal FundNew York, NY2$30,000$20,000Save the SoundFor the 2024 - 2025 Campaign.apps.irs.gov
The Borman Family FoundationOakland, ME1$30,000$30,000Darien Nature CenterAnimal Room capital campaignapps.irs.gov
The Janice Spencer Calkin FoundationWilmington, DE2$30,000$15,000Bartlett Arboretum Association IncGeneral & Unrestrictedapps.irs.gov
The Nina and Mike Patterson Foundation (fka Aegis Lumen Foundation)New York, NY1$30,000$30,000Steep Rock Association IncGeneral supportapps.irs.gov
The Robert & Margaret Patricelli Family FoundationSimsbury, CT2$25,250$25,000Ocean Exploration TrustTo support the environmentapps.irs.gov
American Express FoundationNew York, NY1$25,000$25,000Keep America Beautiful IncTravel with purpose: atlanta project with hiltonapps.irs.gov
Burpee FoundationLenox, MA1$25,000$25,000Bartlett Arboretum Association IncRestricted grantsapps.irs.gov
Goldman-Sonnenfeldt Foundation IncNew York, NY1$25,000$25,000Save the SoundEducational and charitableapps.irs.gov
Mutual of Omaha FoundationOmaha, NE1$25,000$25,000Keep America Beautiful IncProject Supportapps.irs.gov
Odyssey Group FoundationStamford, CT1$25,000$25,000Bartlett Arboretum Association IncUnrestricted grants for operating costsapps.irs.gov
Pritchard Family Charitable Foundation 007194Essex, CT1$25,000$25,000Lyme Land Conservation Trust IncProgram servicesapps.irs.gov
Remington Foundation IncNew Milford, CT1$25,000$25,000Housatonic Valley AssociationFurther research of the organizationapps.irs.gov
Roaring Brook Family FoundationLenox, MA1$25,000$25,000Housatonic Valley AssociationClean, cold connected programapps.irs.gov
Schumann Robert F Fdn-MainSaint Louis, MO1$25,000$25,000Save the Sound IncGeneral operatingapps.irs.gov
The Bok Family FoundationCanaan, CT1$25,000$25,000Housatonic Valley Association IncCharitable contribution - conservationapps.irs.gov
The Brewer Family Foundation IncRowayton, CT1$25,000$25,000Save the SoundPrevent climate changeapps.irs.gov
The Christopher Reynolds Foundation IncSea Girt, NJ1$25,000$25,000Wellspring Commons StewardsGeneral supportapps.irs.gov
The Giving Bee Family FoundationWilmington, DE2$25,000$15,000Greenwich Botanical Center IncGeneral & Unrestrictedapps.irs.gov
The Giving Bee FoundationWilmington, DE1$25,000$25,000The Greenwich Land Trust IncGeneral & Unrestrictedapps.irs.gov
The Susan Elaine Foundation IncOld Saybrook, CT1$25,000$25,000Old Saybrook Land TrustTo provide assistance to institutions, associations and societies operating solely for religious, charitable, scientific and literary or education purposes.apps.irs.gov
The Betty and Wes Foster Family FoundationChantilly, VA2$22,000$20,000Save the SoundGeneral purposeapps.irs.gov
Coleman Family Charitable FoundationWilmington, DE2$20,250$20,000Steep Rock Association IncAnnual Contribution to the Bill Coleman Memorial Fundapps.irs.gov
Burnham Family FoundationWilmington, DE1$20,022$20,022Save the Sound IncWater Quality Monitoring (see general explanation)apps.irs.gov
Boucher Family FoundationWest Harford, CT1$20,000$20,000Woodcock Nature CenterCurrent Use for General Charitable Purposesapps.irs.gov
Dick's Sporting Goods FoundationCoraopolis, PA1$20,000$20,000Save the SoundPublic lands grantapps.irs.gov
Highstead Foundation IncRedding, CT1$20,000$20,000Pollinator Pathway IncRestoration of pollinator pathwaysapps.irs.gov
Sheehan Family FoundationKingston, MA2$20,000$10,000Save the SoundGeneral purposeapps.irs.gov
The William C Bullitt Foundation IncNew York, NY1$20,000$20,000Pollinator PathwayConservation/environmentapps.irs.gov
Wiener Family Future Foundation IncMelville, NY2$19,000$17,500Climate Change for All Educators IncEnvironmental servicesapps.irs.gov
522 Foundation IncDarien, CT1$16,000$16,000Land Trust of Darien IncGeneral supportapps.irs.gov
The Lipman-Sherman Family FoundationNew York, NY1$16,000$16,000Northwest Connecticut Land ConservancyTo maintain the endeavors of the orgapps.irs.gov
The Seelert Foundation IncNew Canaan, CT1$16,000$16,000Waveny Park ConservancyCharitable contributionapps.irs.gov
Factset Charitable FoundationNorwalk, CT2$15,500$10,000Save the Sound IncOperating supportapps.irs.gov
Newalliance Foundation IncNew Haven, CT3$15,500$10,000Gather New HavenTo support the capacity of gather new haven to deliver high quality environmental, youth, and health programming while maintaining and encouraging active use of the 6 nature preserves and 44 communityapps.irs.gov
The Neubauer Family FoundationPhiladelphia, PA1$15,435$15,435Steep Rock AssociationProgram supportapps.irs.gov
Broadbent Family Foundation IncVero Beach, FL2$15,000$10,000Greenwich Land TrustWm s broadbentfamily endowmentfundapps.irs.gov
Fullen-Smith Foundation IncWilliamsburg, MA1$15,000$15,000Woodcock Nature CenterGeneral fundapps.irs.gov
Ja & HG Woodruff Jr Charitable TrusMiami Beach, FL1$15,000$15,000Wholesome WaveSnap doubling programapps.irs.gov
Joseph and Barbara Ellis FoundationEdison, NJ1$15,000$15,000Housatonic Valley Association IncGeneral purposeapps.irs.gov
Louis J Casale Jr Charitable Foundation IncWilmington, DE2$15,000$10,000Bartlett Arboretum Association IncGeneral & Unrestrictedapps.irs.gov
Max and Bertha Dressler FoundationRoxbury, CT1$15,000$15,000Roxbury Land TrustUnrestricted contributionapps.irs.gov
O'Donnell Iselin Foundation IncValley Stream, NY2$15,000$10,000Greenwich Land Trust IncFor general purposes of recipient charitiesapps.irs.gov
PatagoniaorgVentura, CA1$15,000$15,000Gather New HavenTo support environmental projects.apps.irs.gov
Springriver Private Foundation TrustFarmington, CT1$15,000$15,000The Connecticut Audubon SocietyGeneral charitable supportapps.irs.gov
The C Richard and Olive J Brose Hie Hill Foundation IncBoylston, MA1$15,000$15,000Save the SoundTo support their missionapps.irs.gov
The Mark W Blackman & Deborah Blackman Family FoundationDarien, CT2$15,000$10,000Save the SoundFulfillment of charitable purposeapps.irs.gov
Torcivia Family FoundationRed Bank, NJ1$15,000$15,000Reforest the Tropics IncUnrestricted grant to support the organization's exempt purpose.apps.irs.gov
Wegner Family FoundationShelburne, VT1$15,000$15,000Simsbury Land TrustGeneral purposeapps.irs.gov
Alexander Host FoundationGreenwich, CT6$14,000$5,000Greenwich Land TrustFurther environmentapps.irs.gov
Union Savings Bank Foundation IncDanbury, CT2$12,650$7,650Pratt Nature CenterExempt purposesapps.irs.gov
Arnhold Foundation IncNew York, NY2$12,500$10,000Northwest Connecticut Land ConservancyGeneral fundapps.irs.gov
Berger Family Foundation IncRiverside, CT2$12,500$7,500Greenwich Land TrustGeneralapps.irs.gov
The Lumpkin Family FoundationMattoon, IL4$11,750$5,000Friends of the Norwalk River Valley TrailCharitableapps.irs.gov
Katharine K McLane and Henry R McLaneHartford, CT1$11,000$11,000Connecticut Audubon Society IncUnrestrictedapps.irs.gov
The Sky Bight Foundation IncBristol, CT2$10,900$10,000Environmental Learning Centers of ConnecticutFunding to support the all accessible trail at barnes nature centerapps.irs.gov
Ion Bank Foundation IncNaugatuck, CT3$10,650$7,500Farmington Land Trust Inc"farmington river accessible viewing platform"apps.irs.gov
The Wenden FoundationWashington Depot, CT3$10,650$8,000Steep Rock Association IncUnrestricted charitable grantapps.irs.gov
The Pfizer Foundation IncNew York, NY19$10,212$2,040Denison Pequotsepos Nature Center IncVolunteer programapps.irs.gov
Robert G Youngs Family Foundation IncStonington, CT1$10,130$10,130Denison Pequotsepos Nature CenterGrantapps.irs.gov
Alexander Family Foundation IncSouth Norwalk, CT2$10,050$10,000Save the SoundGeneral Fundapps.irs.gov
Northwest Community Bank Foundation IncWinsted, CT6$10,040$3,000Litchfield Land TrustBoost the Caboose Restoration Projectapps.irs.gov
Alphaomega Charitable Foundation IncGreenwich, CT1$10,000$10,000Greenwich Land TrustGeneralapps.irs.gov
Avalon Nature Preserve IncStony Brook, NY1$10,000$10,000Save the SoundGeneral supportapps.irs.gov
Bevan Daddino Foundation IncWilmington, DE1$10,000$10,000Sound Waters IncHarbor Ambitions Campaignapps.irs.gov
Black-Brogan FoundationNew York, NY1$10,000$10,000Save the SoundCharitableapps.irs.gov
Bradley L Goldberg Family FoundationMamaroneck, NY1$10,000$10,000Save the SoundEnvironmentalapps.irs.gov
Bridgemill FoundationNew Canaan, CT1$10,000$10,000New Canaan Nature Center Association IncCharitable contribution - educational programs focusing on nature for schools, preschool children and the general public.apps.irs.gov
Centreville Savings Bank Charitable FoundationWest Warwick, RI1$10,000$10,000The Last Green Valley IncExempt purposeapps.irs.gov
Dale & Laura Kutnick Foundation IncPennington, NJ1$10,000$10,000Earthplace the Nature Discovery CenterUnrestricted generalapps.irs.gov
Hargis Family FoundationWilmington, DE1$10,000$10,000Save the Sound IncSafe The Sound chapter in Northport, New Yorkapps.irs.gov
John and Daria Barry FoundationMiami, FL1$10,000$10,000Greenwich Land TrustConserves open space, connects our community with the natural world and inspires the next generation of conservationists.apps.irs.gov
Joseph and Joan Cullman Conservation Foundation IncWilmington, DE1$10,000$10,000Earthplace the Nature Discovery Center IncGeneral & Unrestrictedapps.irs.gov
Louis and Virginia Clemente FoundationincGreenwich, CT1$10,000$10,000Save the SoundUnrestricted grantapps.irs.gov
MRB Foundation IncLake Geneva, WI2$10,000$5,000Essex Land Trust IncEnvironmentalapps.irs.gov
Mackesy Family FoundationBronxville, NY1$10,000$10,000Lake Waramaug Task ForceGeneral supportapps.irs.gov
Overhills FoundationGarden City, NY1$10,000$10,000Save the SoundGeneral Fundapps.irs.gov
Paul and Carol Evanson Family FoundationN Palm Beach, FL1$10,000$10,000Wilton Land Conservation TrustGeneral supportapps.irs.gov
Preston E W Trust Uw Ewp MemorialDallas, TX1$10,000$10,000Friends of Pope Park IncUnrestricted generalapps.irs.gov
Pumpkin FoundationCape Coral, FL1$10,000$10,000New Canaan Beautification LeagueGeneralapps.irs.gov
Streicker Foundation IncMilford, CT1$10,000$10,000Save the SoundTo help the organization fulfill it's mission to fight climate change, save endangered lands, protect the sound and its rivers and work to restore ecosystems.apps.irs.gov
TD Charitable FoundationPortland, ME1$10,000$10,000The Connecticut Audubon SocietyRestoring pollinator habitat- smith richardson preserveapps.irs.gov
The Howard A Van Vleck FoundationLyme, NH1$10,000$10,000Pomperaug River Watershed Coalition25th anniversary capital campaign contributonapps.irs.gov
The John and Ethel Kashulon FoundationWilmington, DE1$10,000$10,000New Canaan Nature Center Association IncCenter's Haley Project, which brings low-income youth into an environment where they can connect to the natural worldapps.irs.gov
The Peter M Sacerdote FoundationNew York, NY1$10,000$10,000The Greenwich Land Trust IncGeneral Purposeapps.irs.gov
The Robert McCormack Family CharitableChicago, IL1$10,000$10,000Redding Land Trust IncGeneral supportapps.irs.gov
The Rust Family FoundationFairfield, CT1$10,000$10,000Save the SoundSupport owrkapps.irs.gov
The Shapiro Pogrebin FoundationNew York, NY1$10,000$10,000Lake Waramaug Task Force IncGeneralapps.irs.gov
The Winston Foundation IncNew York, NY1$10,000$10,000Save the SoundTo further the tax exempt mission of the organizationapps.irs.gov
Theodore A Rapp FoundationDarien, CT1$10,000$10,000Waveny Park ConservancySupport of organizationapps.irs.gov
Vranos FoundationPennington, NJ1$10,000$10,000Save the SoundUnrestricted generalapps.irs.gov
Webster Bank Charitable FoundationWilmington, DE1$10,000$10,000Hartford Land Bank IncGeneral & Unrestrictedapps.irs.gov
Woman's Seamen's Friend Society of CT IncNew Haven, CT1$10,000$10,000Save the SoundOperations - long island sound ecological studiesapps.irs.gov
Murray & Susan Haber Charitable FoundationCharlottesville, VA3$9,500$5,000Steep Rock AssociationGeneralapps.irs.gov
The Hagani Foundation IncWoodbridge, CT4$9,250$7,500Connecticut Audubon SocietyEducationapps.irs.gov
Nyce Family FoundationCenter Harbor, NH1$9,000$9,000Gather New HavenEnvironmental educaton and youth devapps.irs.gov
Amazonsmile FoundationSeattle, WA113$8,819$504Aspetuck Land Trust IncGeneral supportapps.irs.gov
Carlson Family FoundationEssex, CT2$8,000$5,000Connecticut Audubon SocietyProgram supportapps.irs.gov
Dominion Energy Charitable FoundationRichmond, VA3$8,000$3,500Denison Pequotsepos Nature Center IncAdventures in natureapps.irs.gov
Franklin P and Arthur W Perdue Foundation IncWilmington, DE1$7,500$7,500Flanders Nature Center Inc Van Vleck FarmGeneral & Unrestrictedapps.irs.gov
Louis F & Virginia C Bantle Charitable Foundation IncDarien, CT1$7,500$7,500Save the SoundGeneral supportapps.irs.gov
Maurice Amado FoundationLos Angeles, CA1$7,500$7,500Save the SoundGeneral operatingapps.irs.gov
Newcity FoundationWilmington, DE2$7,500$5,000Earthplace the Nature Discovery Center IncGeneral & Unrestrictedapps.irs.gov
R T Vanderbilt Trust Agy MainNorwalk, CT1$7,500$7,500Chatham Rock Island IncGeneral operatingapps.irs.gov
The Boeschenstein Family Foundation Fka M/B FoundationPerrysburg, OH1$7,500$7,500Waveny Park ConservancyCharitable contributionsapps.irs.gov
The Russell Maguire Foundation IncGreenwich, CT1$7,500$7,500Greenwich Point ConservancyTo further the foundations charitable mission of education, helping those in need, and animal rescueapps.irs.gov
The Wiggins Foundation IncWilmington, DE2$7,500$5,000Save the Sound IncGeneral & Unrestrictedapps.irs.gov
Eder Family Foundation IncWest Haven, CT2$7,000$5,000Gather New HavenUnrestrictedapps.irs.gov
Foster-Davis Foundation IncWilmington, DE1$7,000$7,000Earthplace the Nature Discovery Center IncGeneral & Unrestrictedapps.irs.gov
Frederick H Gillmore FundSanta Barbara, CA1$7,000$7,000Greenwich Land Trust IncUnrestrictedapps.irs.gov
Im the Molder Family FoundationDallas, TX1$7,000$7,000Lake Quassapaug Association IncUnrestricted generalapps.irs.gov
Nessel Family Foundation IncNorwalk, CT3$7,000$2,500Friends of the Norwalk River Valley Trail IncGeneralapps.irs.gov
Ridgefield Fresh Air AssociationRidgefield, CT1$7,000$7,000Woodcock Nature CenterSupport summer campapps.irs.gov
Paul &MARY Cancellarini Charitable TrustDenver, CO1$6,872$6,872Berlin Land TrustTo carry out tax exempt purposeapps.irs.gov
Chelsea Groton FoundationGroton, CT4$6,750$5,525Denison Pequotsepos Nature Center IncAdventures in natureapps.irs.gov
Malkin Fund IncNew York, NY1$6,565$6,565Greenwich Green and CleanContribution to further donee's exempt purposeapps.irs.gov
The Old Stones Foundation IncStamford, CT3$6,500$5,500Save the SoundDonationapps.irs.gov
Grace Jones Richardson Testamentary TrustGreensboro, NC2$6,000$4,000Rivers Alliance of Connecticut IncTo assist the organization in carrying out its exempt purposeapps.irs.gov
Kermit and Patricia Adler Foundation IncNew Milford, CT1$6,000$6,000Hunt Hill Farm Trust IncSupport the charity to allow it to provide its programming for the communityapps.irs.gov
Barbourtown FoundationWest Hartford, CT2$5,500$4,500Canton Land Conservation Trust IncCurrent use for general charitable purposesapps.irs.gov
Linville Family FoundationNew York, NY1$5,500$5,500Save the SoundGeneralapps.irs.gov
The Emily Hall Tremaine Foundation IncTolland, CT3$5,500$2,500Connecticut Audubon Society IncCommunity projects - general operatingapps.irs.gov
The Lazard Charitable FoundationNew York, NY3$5,100$5,000Sound Waters IncUnrestrictedapps.irs.gov
1772 Foundation IncMorristown, NJ1$5,000$5,000Wyndham Land Trust IncTrustee-directed (discretionary) grantapps.irs.gov
Bitar Foundation IncNew York, NY1$5,000$5,000Steep Rock Association IncTo further the exempt purpose of the organizationapps.irs.gov
Corbet Family FoundationNew Canaan, CT1$5,000$5,000Waveny Park ConservancyCharitableapps.irs.gov
DXN FoundationNew York, NY1$5,000$5,000Denison Pequotsepos Nature CenterCharity contributionapps.irs.gov
David and Eunice Bigelow FoundationNorwalk, CT1$5,000$5,000Connecticut Audubon SocietyGeneralapps.irs.gov
Elizabeth Raymond Ambler TrustWilton, CT1$5,000$5,000Woodcock Nature CenterCreatively re-connecting the community with nature and to one anotherapps.irs.gov
Fishman Family FoundationNew York, NY1$5,000$5,000Waveny Park ConservancyOperationalapps.irs.gov
Four D Charitable FoundationWilmington, DE1$5,000$5,000Chatham Rock Island IncGeneral & Unrestrictedapps.irs.gov
French FDN Trust UdeclPittsburgh, PA1$5,000$5,000Guilford Land Conservation TrustGeneral operatingapps.irs.gov
Fry W Cotr Uw - L P Fry Mem TrustDallas, TX1$5,000$5,000Bartlett Arboretum Association IncUnrestricted generalapps.irs.gov
Grampy's Charities James Jonatha William Castle TteesNew London, CT1$5,000$5,000Denison Pequotsepos Nature CenterUnrestricted donationapps.irs.gov
Halvorsen Family FoundationStamford, CT1$5,000$5,000Darien Nature CenterEnvironmental supportapps.irs.gov
Helen & William Mazer FoundationBerkeley Heights, NJ1$5,000$5,000Gather New HavenCharitable purposes.apps.irs.gov
Hillman Family FoundationsPittsburgh, PA1$5,000$5,000Steep Rock Association IncAnnual fundapps.irs.gov
J Gladwin Cannon Trust Ua Dated 10-7-76Vernon, CT1$5,000$5,000Suffield Land ConservancyLocation in or directly benefitting the town of Suffieldapps.irs.gov
Johnson-Stillman Family FoundationGreenwich, CT1$5,000$5,000The Greenwich Land TrustGeneral contributionapps.irs.gov
Louis and Anne Abrons Foundation IncWilmington, DE1$5,000$5,000Steep Rock Association IncGeneral & Unrestrictedapps.irs.gov
Rogers Family FoundationParadise Valley, AZ1$5,000$5,000Save the SoundCharitable activitiesapps.irs.gov
Steven Aresty FoundationNew York, NY1$5,000$5,000Sharon Land TrustFor the use of the donee organizationapps.irs.gov
The 1830 Family Foundation 2138-00-42Philadelphia, PA1$5,000$5,000Greenwich Land TrustYouth corps summer programapps.irs.gov
The 3 B'S Foundation IncNew York, NY1$5,000$5,000Woodcock Nature CenterGeneral supportapps.irs.gov
The Angelo Family Charitable FoundationNew York, NY1$5,000$5,000Steep Rock AssociationFor operationsapps.irs.gov
The Asen FoundationNew York, NY1$5,000$5,000Housatonic Valley AssociationSupportapps.irs.gov
The Barry S Sternlicht FoundationWilmington, DE1$5,000$5,000Bartlett Arboretum Association IncGeneral & Unrestrictedapps.irs.gov
The Coville-Triest Family FoundationHartland, MI1$5,000$5,000Denison Pequotsepos Nature CenterUnrestrictedapps.irs.gov
The Devlin FoundationNew York, NY1$5,000$5,000Sasco Creek Neighbors Environmental Trust IncGeneral purposeapps.irs.gov
The John A Moran Charitable TrustPalm Beach, FL1$5,000$5,000Waveny Park ConservancyUnrestricted contributionapps.irs.gov
The Laverack Family FoundationOld Greenwich, CT1$5,000$5,000Darien Nature CenterGeneral purposeapps.irs.gov
The Maximilian E and Marion O Hoffman Foundation IncWest Hartford, CT1$5,000$5,000Blau House & Gardens IncGeneral supportapps.irs.gov
The Rice Family FoundationJericho, NY1$5,000$5,000Save the SoundGeneral supportapps.irs.gov
The Robertson Powell FoundationWilmington, DE1$5,000$5,000Climate Change for All Educators IncSubject to Changeapps.irs.gov
The Shack Sackler FoundationNew York, NY1$5,000$5,000Connecticut Audubon SocietyUnrestrictedapps.irs.gov
The Spia Foundation - Marius Winkelman TrusteeNew York, NY1$5,000$5,000Essex Land TrustLandPreservationapps.irs.gov
The Stoddard Family FoundationGuilford, CT1$5,000$5,000Guilford Land Conservation TrustTo support operationsapps.irs.gov
The Virginia Wellington Cabot FoundationBoston, MA1$5,000$5,000Save the SoundExempt purposeapps.irs.gov
The Wolfe Family Charitable FoundationSylvania, OH2$5,000$2,500Greenwich Tree Conservancy IncTo Supportapps.irs.gov
Tua Benson P Blake Char TrustDallas, TX1$5,000$5,000Denison Pequotsepos Nature CenterUnrestricted generalapps.irs.gov
Weisenburger FoundationGreenwich, CT1$5,000$5,000Greenwich Land TrustGeneral operating budgetapps.irs.gov
Wilson Wilde Family Foundation IncPalm Beach Gardens, FL1$5,000$5,000Farmington River Watershed AssocGeneral fundapps.irs.gov
Winfield FoundationNew York, NY1$5,000$5,000Sound WatersGeneralapps.irs.gov
Enid Storm Dwyer FoundationPittsburgh, PA1$4,697$4,697The Connecticut Audubon SocietyGeneral operatingapps.irs.gov
Dr Joseph J Lawrence Trust Diana Serrell TrusteeGreenwich, CT2$4,500$2,500The Greenwich Land Trust IncOperationapps.irs.gov
Trischman Family Foundation IncFairfield, CT2$4,500$2,500New Pond Farm Education CenterDonationapps.irs.gov
Auer Family FoundationCalabasas, CA1$4,000$4,000Connecticut Audubon SocietyGeneral operationsapps.irs.gov
Loweth-Alvord FoundationWilmington, NC1$4,000$4,000Groton Open Space AssociationGeneral Purposesapps.irs.gov
Square Table FoundationNew York, NY1$4,000$4,000Greenwich Botanical CenterGeneral purposesapps.irs.gov
The Lebensfeld FoundationNew York, NY1$4,000$4,000Greenwich Land TrustGeneral supportapps.irs.gov
The Robert and Judith Sturgis Family FoundationSimsbury, CT3$4,000$2,000McLean Game Refuge IncGeneral & Unrestrictedapps.irs.gov
Viking Global Foundation IncStamford, CT4$3,600$1,250Steep Rock Association IncGeneral supportapps.irs.gov
The Rockfall FoundationMiddletown, CT1$3,500$3,500Everyone Outside IncEnvironmentalapps.irs.gov
Akc Fund IncMontclair, NJ1$3,000$3,000Norfolk Land TrustFor general supportapps.irs.gov
Cornelia Cogswell Rossi Foundation IncWilmington, DE3$3,000$1,000Greenwich Botanical Center IncGeneral & Unrestrictedapps.irs.gov
Klem Family Foundation IncArmonk, NY1$3,000$3,000Aspetuck Land TrustGeneral fundsapps.irs.gov
Maltempo Family Charitable Foundation IncColchester, CT1$3,000$3,000Colchester Land TrustCharityapps.irs.gov
Persbacker Foundation IncNew Milford, CT1$3,000$3,000Hunt Hill Farm Trust IncLand conservationapps.irs.gov
The Diller-Von Furstenberg Family FoundationNew York, NY1$3,000$3,000Housatonic Valley AssociationSpecial events in honor of lynn wernerapps.irs.gov
The Hanley FoundationWashington, DC1$3,000$3,000Greenwich Botanical CenterTo fulfill the charitable purposeapps.irs.gov
The Melly FoundationSarasota, FL2$3,000$1,500Greenwich Land TrustGeneral/unrestrictedapps.irs.gov
The Rein Family Foundation IncNew Canaan, CT1$3,000$3,000Waveny Park ConservancyGeneral purposeapps.irs.gov
Armanino FoundationSan Ramon, CA1$2,500$2,500Keep America BeautifulGeneral operating supportapps.irs.gov
Joe & Cindy Goldberg Family Foundation IncGuilford, CT1$2,500$2,500Guilford Land Conservation TrustSupport acquisition & protection of open space in Guilford, CTapps.irs.gov
Maniatty & Walker Family Foundation IncNew York, NY1$2,500$2,500Save the SoundTo help org. in its exempt functionapps.irs.gov
Marie G Dennett Foundation IncFairfield, CT1$2,500$2,500Connecticut Audubon SocietyCharitable purposeapps.irs.gov
McFadden Family FoundationLitchfield, CT1$2,500$2,500The Litchfield Land TrustAnnual supportapps.irs.gov
The Anne Hendricks Bass FoundationFort Worth, TX2$2,500$1,500Housatonic Valley AssociationHeron societyapps.irs.gov
The Filmmaker FundWestport, CT1$2,500$2,500Wilton Land Conservation TrustCommunityapps.irs.gov
The Gendell Family Foundation IncWilmington, DE1$2,500$2,500Greenwich Tree Conservancy IncGeneral & Unrestrictedapps.irs.gov
The Long Stems Foundation IncFishers Island, NY1$2,500$2,500Denison Pequotsepos Nature CenterGeneral operating supportapps.irs.gov
The Lucey Family Foundation IncWilmington, DE3$2,500$1,500Save the Sound IncGeneral & Unrestrictedapps.irs.gov
The Mary Ann and Lawrence Tucker FoundationGreenwich, CT1$2,500$2,500Greenwich Land TrustA non-profit organization that protects and cares for more than 1,000 acres of diverse habitats in greenwich, ct.apps.irs.gov
The Perkin FundSouth Hamilton, MA1$2,500$2,500The Connecticut Audubon SocietyCharitable purposeapps.irs.gov
Weingarten Family FoundationNew York, NY1$2,500$2,500Kent Land TrustGeneral purposeapps.irs.gov
Black IV IncGreenwich, CT1$2,400$2,400Greenwich Botanical CenterGeneral purposeapps.irs.gov
Bucknall Family FoundationGreenwich, CT3$2,250$1,000Greenwich Land TrustCharitableapps.irs.gov
The Anikstein Family Fund IncGreenwich, CT1$2,250$2,250The Greenwich Land Trust IncGeneral supportapps.irs.gov
The Block Grausman FundNew York, NY2$2,200$2,000Steep Rock AssociationGeneral Charitable Purposeapps.irs.gov
Torrington Savings FoundationWilmington, DE1$2,100$2,100White Memorial Conservation Center IncWhite Memorial Conservation Center's Education Programming for Grades 4-6apps.irs.gov
Allinder-Anestis Family Charitable Fund IncAlbany, NY1$2,000$2,000Guilford Land Conservation Trust IncGeneral charitable purposesapps.irs.gov
Burt Family Foundation IncWaterford, CT1$2,000$2,000Save the SoundGeneral purposesapps.irs.gov
Ethel & Abe Lapides Foundation IncNew Haven, CT2$2,000$1,000Gather New HavenSupport the schooner programapps.irs.gov
H & L Family Foundation IncNew York, NY1$2,000$2,000Kent Land TrustGeneral useapps.irs.gov
Hoag Family Charitable FDNDallas, TX1$2,000$2,000Newtown Forest AssociationUnrestricted generalapps.irs.gov
Jean Widmark and Richard Widmark Foundation IncNew Milford, CT2$2,000$1,000Hunt Hill Farm Trust IncLand conservationapps.irs.gov
John F Maher Family FoundationNew York, NY2$2,000$1,000Greenwich Land Trust IncGeneral purposeapps.irs.gov
Lucile and Maurice Pollak FundManahawkin, NJ2$2,000$1,000Steep Rock AssociationFor operationsapps.irs.gov
Morris & Jeannette Kessel FundNew York, NY1$2,000$2,000Kent Land TrustLand servicesapps.irs.gov
Praxis FoundationWilmington, DE2$2,000$1,000Bartlett Arboretum Association IncGeneral & Unrestrictedapps.irs.gov
The Corita Charitable Trust McGrath & Company LLPSea Girt, NJ2$2,000$1,000Greenwich Land TrustGeneral supportapps.irs.gov
The Gardner Family Foundation IncNew York, NY1$2,000$2,000Save the SoundUnrestricted grant for the organization's exempt purpose.apps.irs.gov
The Kontulis FundDetroit, MI1$2,000$2,000Waveny Park ConservancyProgram servicesapps.irs.gov
The Kurzrok Foundation IncGreenwich, CT1$2,000$2,000Save the SoundTo further donee's exempt purpose.apps.irs.gov
The Per and Astrid Heidenreich Family FoundationGreenwich, CT1$2,000$2,000Branford Land TrustGeneral purposeapps.irs.gov
The Scrivan Family FoundationWilmington, DE1$2,000$2,000Greenwich Point Conservancy IncGeneral & Unrestrictedapps.irs.gov
The Sharrock Family Charitable TrustHarrison, NY1$2,000$2,000Madison Land Conservation TrustGeneral operating supportapps.irs.gov
The Vogel Family FoundationNew York, NY1$2,000$2,000Northwest Connecticut Land ConservancyFor use in their charitable functionapps.irs.gov
The William & Sylvia Silberstein Foundation IncRye, NY1$2,000$2,000Save the SoundGeneral supportapps.irs.gov
Walter and Phyllis Ann Borten FoundationChicago, IL1$2,000$2,000Sharon Land TrustGeneralapps.irs.gov
Public Safety Research InstituteFalls Church, VA2$1,600$1,300Winchester Land TrustGeneral supportapps.irs.gov
The Goergen Foundation IncNorth Palm Beach, FL1$1,600$1,600Greenwich Land Trust IncSupport of organizationapps.irs.gov
Mfund IncGuilford, CT3$1,556$1,000Guilford Land Conservation TrustGeneral supportapps.irs.gov
Bucks Creek FoundationWilmington, DE1$1,500$1,500Land Trust of Darien IncGeneral & Unrestrictedapps.irs.gov
Greater Hartford Automobile Dealers Association Foundation IncHartford, CT1$1,500$1,500Huneebee Project IncSupport equitable job preparedness for our youth employees and promote environmental conservations in disinvested neighborhoods.apps.irs.gov
Greenburg May Foundation IncPalm Beach, FL1$1,500$1,500Housatonic Valley AssociationAid donee in carrying out exempt purposeapps.irs.gov
Harriet & M Fred Cartoun Foundation IncNewtown, CT1$1,500$1,500Redding Land TrustGeneral aidapps.irs.gov
International Paper Company FoundationMemphis, TN1$1,500$1,500Bartlett Arboretum Association IncInspirica vegetable garden programapps.irs.gov
Maurice Goodman Foundation Inc TrustBuffalo, NY1$1,500$1,500Norwalk Tree Alliance IncGeneral supportapps.irs.gov
Panoram Foundation IncJackson, WY1$1,500$1,500Old Lyme Land TrustPreserve nature & landapps.irs.gov
Silver Mountain Foundation for the ArtsMorristown, NJ2$1,500$1,000Housatonic Valley AssociationGENERAL PURPOSES - Otherapps.irs.gov

Largest grants

FoundationRecipientRecipient locationPurposeAmountSource
Lilly Endowment IncKeep America Beautiful IncStamford, CTCapacity building support$3,000,000apps.irs.gov
The Peter and Carmen Lucia Buck Foundation IncConnecticut Land Conservation CouncilMiddletown, CTLand capital grant program$1,850,000apps.irs.gov
Deer Pond Farm Fund XXXXX6006Connecticut Audubon SocietyFairfield, CTGeneral$1,408,253apps.irs.gov
The Jaffe Family FoundationClimate Change for All Educators IncNew Canaan, CTSupport charitable purpose$1,370,000apps.irs.gov
Freedom Together FoundationInclusive Prosperity Capital IncHartford, CTEnsuring equity in the clean energy transition: scaling the enerwealth model$500,000apps.irs.gov
The Peter and Carmen Lucia Buck Foundation IncConnecticut Land Conservation CouncilMiddletown, CTGeneral operating support$475,000apps.irs.gov
McChord FoundationNewtown Forest AssociationNewtown, CTGeneral$475,000apps.irs.gov
The Henry L and Grace Doherty Charitable Foundation IncSave the SoundNew Haven, CTGeneral support$250,000apps.irs.gov
Macricostas Family FoundationincSteep Rock AssociationWashington Depot, CTRestoration of isaac camp house$250,000apps.irs.gov
The Alvin and Fanny B Thalheimer Foundation IncSteep Rock Association IncWashington, CTProgram grant$250,000apps.irs.gov
The Stanley H & Theodora L Feldberg FoundationNorthwest Connecticut Land ConservancyKent, CTTo further the activities for which it was accorded tax exempt status under irc section 501 (c)(3)$215,000apps.irs.gov
The Schmidt Family FoundationInclusive Prosperity Capital IncHartford, CTCentering unrepresented voices in the environmental movement, encouraging a just transition away from fossil fuels$201,500apps.irs.gov
The McKnight FoundationInclusive Prosperity Capital IncHartford, CTfor general operating support$200,000apps.irs.gov
Lucy E Holcombe Charitable FoundationGranby Land TrustGranby, CTLandconservationpurchase$180,000apps.irs.gov
Anne and Rollin Bates Foundation IncNorthwest Connecticut Land ConservancyKent, CTDesignated gift$175,000apps.irs.gov
The Bunting Family FoundationSave the SoundNew Haven, CTTo further the exempt purpose of the organization$175,000apps.irs.gov
The Schmidt Family FoundationSound WatersStamford, CTOcean stewardship and research$139,999apps.irs.gov
The Peter and Carmen Lucia Buck Foundation IncNorthwest Connecticut Land ConservancyKent, CTGeneral operating support$125,000apps.irs.gov
The Rachael Ray FoundationWholesome WaveBridgeport, CTAn unrestricted grant to further the donee's exempt purpose$125,000apps.irs.gov
Clif Family FoundationWholesome WaveBridgeport, CTTransform Food Systems$125,000apps.irs.gov
Synchrony FoundationBartlett Arboretum Association IncStamford, CTFunding supports general operations and programming.$110,000apps.irs.gov
McChord FoundationFriends of the Norwalk River Valley TrailGeorgetown, CTGeneral$100,000apps.irs.gov
Hilton Global FoundationKeep America BeautifulStamford, CTAnnual grant program 2024$100,000apps.irs.gov
Synchrony FoundationKeep Stamford BeautifulStamford, CTFunding supports general operations and programming.$100,000apps.irs.gov
Dalio Foundation IncKeep Stamford Beautiful IncStamford, CTRestricted to support stamford parks community partnership initiative$100,000apps.irs.gov
Philip Stephenson FoundationOcean Exploration TrustNew London, CTOcean exploration$100,000apps.irs.gov
The Common Sense Fund IncSave the SoundNew Haven, CTTo support the organizations mission to fight climate change, save endangered lands, protect the sound and its rivers, and work with nature to restore ecosystems.$100,000apps.irs.gov
The Summer Hill FoundationThe Wyndham Land Trust IncPomfret Center, CTFurtherance of tax exempt activities$100,000apps.irs.gov
Jeniam FoundationWaveny Park Conservancy IncNew Canaan, CTWoodlands restoration and meadow upgrades$100,000apps.irs.gov
Bafflin FoundationWyndham Land TrustPomfret Center, CTLand conservation$100,000apps.irs.gov
Garver Black Hilyard Family FoundationKeep America BeautifulStamford, CTGeneral Charitable Purposes$78,000apps.irs.gov
Steve and Diane Parrish FoundationEarthplace the Nature Discovery Center IncWestport, CTCapital campaign to install and operate a Science on a sphere teaching platform in a new science center exhibit space$71,429apps.irs.gov
Kitchings Family FoundationThe Connecticut Audubon SocietyFairfield, CTGeneral operating$70,000apps.irs.gov
PF & RJ Morganti FoundationWoodcock Nature CenterWilton, CTGeberal purpose$70,000apps.irs.gov
The Wildwood FoundationConnecticut Audubon SocietyFairfield, CTFor mission support$65,000apps.irs.gov
The Rudolph J & Daphne A Munzer FoundationSound Waters IncStamford, CTSoundwaters research intensive (sri)$60,000apps.irs.gov
Ada M Wolf Declaration of TrustJoshuas Tract Conservation & Historic TrustMansfield Center, CTConservation$59,670apps.irs.gov
Virginia B Squiers Foundation-TrustConnecticut Audubon Society IncFairfield, CTGeneral operating$58,000apps.irs.gov
The Rockefeller FoundationWholesome Wave IncBridgeport, CTFor use by its national produce prescription collaborative toward the costs of an effort to expand produce prescription programs in the u.s. as prevention and intervention for diet-related disease.$55,000apps.irs.gov
Dorothy O Mills 1993 Charitable TrustSave the Sound IncNew Haven, CTGeneral operating$50,549apps.irs.gov
Oechsle Family Foundation IncGather New HavenNew Haven, CTFarm-Based Wellness Program$50,000apps.irs.gov
The Dave H & Reba W Williams FoundationGreenwich Tree ConservancyGreenwich, CTGeneral$50,000apps.irs.gov
The Hayes FoundationGuilford Land Conservation TrustGuilford, CTEnvironment$50,000apps.irs.gov
Travelers FoundationHartford Land Bank IncHartford, CTProgram support for the Gap Funding Program$50,000apps.irs.gov
The Peter and Carmen Lucia Buck Foundation IncNorth Woods Land ConservancyEast Hartland, CTGeneral operating support$50,000apps.irs.gov
The Leni & Peter May Family FoundationNorthwest Connecticut Land ConservancyKent, CTExempt activities$50,000apps.irs.gov
The Hayes FoundationSave the SoundNew Haven, CTEnvironment$50,000apps.irs.gov
The McCance FoundationSave the SoundNew Haven, CTGeneral Support$50,000apps.irs.gov
Carlson Family FoundationSound Waters IncStamford, CTMajor grant$50,000apps.irs.gov
Lee and Cynthia Vance FoundationWarren Land TrustWarren, CTGeneral operating support$50,000apps.irs.gov
The Peter and Carmen Lucia Buck Foundation IncWyndham Land TrustPomfret Center, CTBelt: merger between wyndham and new roxbury land trusts$50,000apps.irs.gov
Sarah Decoizart Perpetual Charitable TrustHousatonic Valley Association IncCornwall Bridge, CTGeneral support$45,000apps.irs.gov
The Sassafras FoundationSave the SoundNew Haven, CTGeneral support$45,000apps.irs.gov
Mle Foundation IncConnecticut Audubon SocietyFairfield, CTGeneral purpose$40,000apps.irs.gov
The Scripps Family Fund for Education and the ArtsConnecticut Audubon Society IncFairfield, CTScience in nature programs$40,000apps.irs.gov
Jeniam FoundationEarthplace the Nature Discovery Center IncWestport, CTMicrobial source tracking pilot project and educator$40,000apps.irs.gov
Mle Foundation IncSave the SoundNew Haven, CTGeneral purpose$40,000apps.irs.gov
Kitchings Family FoundationDenison Pequotsepos Nature CenterMystic, CTGeneral operating$35,000apps.irs.gov
The Werth Family Foundation IncGather New HavenNew Haven, CTCharitable$35,000apps.irs.gov
Gary Saltz Foundation IncHousatonic Valley AssociationCornwall Bridge, CTGeneral support$35,000apps.irs.gov
Seherr-Thoss Charitable TrustLitchfield Land TrustLitchfield, CTGeneral support$35,000apps.irs.gov
Stranahan FoundationThe Connecticut Audubon Society IncorporatedFairfield, CTCreating a pathway to stem learning and careers in underserved urban communities$35,000apps.irs.gov
Trust Ua Katherine J Murphy FDN - MiscWholesome Wave IncBridgeport, CTGeneral operating$35,000apps.irs.gov
The Borman Family FoundationDarien Nature CenterDarien, CTAnimal Room capital campaign$30,000apps.irs.gov
The Resource Foundation IncGreenwich Land TrustGreenwich, CTYouth corp & intern$30,000apps.irs.gov
David L Klein Jr FoundationHousatonic Valley Association IncCornwall Bridge, CTSupport for charitable operations$30,000apps.irs.gov
Kettering Family FoundationNorthwest Connecticut Land ConservancyKent, CTUnrestricted operating support$30,000apps.irs.gov
Jack's Foundation IncSave the SoundNew Haven, CTUnrestricted donation$30,000apps.irs.gov
Sandpiper Fund IncSave the SoundNew Haven, CTTo further donee's exempt purpose$30,000apps.irs.gov
The Nina and Mike Patterson Foundation (fka Aegis Lumen Foundation)Steep Rock Association IncWashington Depot, CTGeneral support$30,000apps.irs.gov
The Oaklawn FoundationincWoodcock Nature CenterWilton, CTGrant for general operating fund and director's grant to 501c organization$27,000apps.irs.gov
Odyssey Group FoundationBartlett Arboretum Association IncStamford, CTUnrestricted grants for operating costs$25,000apps.irs.gov
Burpee FoundationBartlett Arboretum Association IncStamford, CTRestricted grants$25,000apps.irs.gov
Thomaston Savings Bank Foundation IncEnvironmental Learning Centers of ConnecticutBristol, CTFinal Installment of the Wallace Barnes Accessible Nature Trail$25,000apps.irs.gov
Brothers Brook FoundationFriends of the Norwalk River Valley Trail IncGeorgetown, CTCreate or preserve open space$25,000apps.irs.gov
Brothers Brook FoundationGreenwich Land TrustGreenwich, CTCreate or preserve open space$25,000apps.irs.gov
Liberty Bank Foundation IncHartford Land BankHartford, CTTo support the gap homeownership investment program$25,000apps.irs.gov
Remington Foundation IncHousatonic Valley AssociationCornwall Bridge, CTFurther research of the organization$25,000apps.irs.gov
The Werth Family Foundation IncHousatonic Valley AssociationCornwall Bridge, CTCharitable$25,000apps.irs.gov
Roaring Brook Family FoundationHousatonic Valley AssociationCornwall Bridge, CTClean, cold connected program$25,000apps.irs.gov
The Bok Family FoundationHousatonic Valley Association IncCornwall Bridge, CTCharitable contribution - conservation$25,000apps.irs.gov
American Express FoundationKeep America Beautiful IncStamford, CTTravel with purpose: atlanta project with hilton$25,000apps.irs.gov
Mutual of Omaha FoundationKeep America Beautiful IncStamford, CTProject Support$25,000apps.irs.gov
Pritchard Family Charitable Foundation 007194Lyme Land Conservation Trust IncLyme, CTProgram services$25,000apps.irs.gov
The Robert & Margaret Patricelli Family FoundationOcean Exploration TrustNew London, CTTo support the environment$25,000apps.irs.gov
The Susan Elaine Foundation IncOld Saybrook Land TrustOld Saybrook, CTTo provide assistance to institutions, associations and societies operating solely for religious, charitable, scientific and literary or education purposes.$25,000apps.irs.gov
Wescustogo FoundationSave the SoundNew Haven, CTGeneral Support$25,000apps.irs.gov
The Brewer Family Foundation IncSave the SoundNew Haven, CTPrevent climate change$25,000apps.irs.gov
Goldman-Sonnenfeldt Foundation IncSave the SoundNew Haven, CTEducational and charitable$25,000apps.irs.gov
Schumann Robert F Fdn-MainSave the Sound IncNew Haven, CTGeneral operating$25,000apps.irs.gov
Jeniam FoundationSave the Sound IncNew Haven, CTSound future campaign$25,000apps.irs.gov
The Stairway FundSteep Rock AssociationWashington, CTGeneral operating support/annual gift$25,000apps.irs.gov
The Giving Bee FoundationThe Greenwich Land Trust IncGreenwich, CTGeneral & Unrestricted$25,000apps.irs.gov
S & L Marx FoundationWarren Land Trust IncWarren, CTPreservation of Tanner Farm and Mountain Lake Preserve$25,000apps.irs.gov
The Christopher Reynolds Foundation IncWellspring Commons StewardsLitchfield, CTGeneral support$25,000apps.irs.gov
HRD-C FoundationLitchfield Land TrustLitchfield, CTGeneral purpose$21,351apps.irs.gov
Burnham Family FoundationSave the Sound IncNew Haven, CTWater Quality Monitoring (see general explanation)$20,022apps.irs.gov
Kitchings Family FoundationGroton Open Space AssociationGroton, CTGeneral operating$20,000apps.irs.gov
The Robert & Mary Lou Morgado Charitable TrustNorthwest Connecticut Land ConservancyKent, CTCharitable$20,000apps.irs.gov
Kitchings Family FoundationOld Lyme Land Trust IncOld Lyme, CTGeneral operating$20,000apps.irs.gov

Also on SpecStream

Updated September 24, 2026. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.