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Data / Nonprofits / California / Half Moon Bay

Nonprofits in Half Moon Bay, CA: 143 registered with the IRS

143 nonprofits are registered with the IRS in Half Moon Bay, CA, 131 of them 501(c)(3) charities; the 68 that report revenue took in $57.8 million. The largest by revenue: Sea Crest School Inc ($10.7 million), Lesley Foundation ($8.8 million), Coastside Hope ($6 million). Most common causes: education (22), philanthropy, voluntarism and grantmaking foundations (12), arts, culture and humanities (11).

SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.

Every organization, largest by revenue first

OrganizationCategoryTypeSinceRevenueAssetsFiling
Sea Crest School IncEducation501(c)(3)1997$10.7 million$15.4 million2025-06
Lesley Foundation501(c)(3)1946$8.8 million$85.1 million2025-12
Coastside HopeHuman services501(c)(3)1976$6 million$11 million2025-06
Coastside Land TrustEnvironment501(c)(3)1998$2.7 million$12.8 million2025-12
Coastside Childrens ProgramsHuman services501(c)(3)1980$2.4 million$2.7 million2025-06
Institute for the Study of Knowledge Management in EducationEducation501(c)(3)2002$2.2 million$278,7992024-12
Senior Coastsiders IncHuman services501(c)(3)1995$2.1 million$6.5 million2025-06
Boys and Girls Club of the CoastsideYouth development501(c)(3)1996$2 million$2.7 million2024-12
Coastside Adult Day Health CenterHuman services501(c)(3)1984$1.8 million$3.7 million2025-06
Coastpride IncMental health and crisis intervention501(c)(3)2019$1.6 million$1.4 million2025-12
Ocean View Foundation501(c)(3)1966$1.5 million$8.2 million2025-12
Square Peg FoundationHealth care501(c)(3)2005$1.3 million$420,8952025-06
Compassion InstituteEducation501(c)(3)2017$1.2 million$977,9342024-12
Coastside Child Development Center501(c)(3)1992$1.1 million$891,2662025-06
Main and Arnold Senior Housing IncHousing and shelter501(c)(3)2006$1 million$6.6 million2025-12
North American Gas Heat Pump CollaborativeEnvironment501(c)(3)2024$998,933$895,7962024-12
Abundant Grace Coastside WorkerHuman services501(c)(3)2016$909,678$2 million2024-12
Cal Nuggets Softball IncRecreation and sports501(c)(3)2016$583,115$57,7422025-12
Conservation Earth IncAnimal-related501(c)(3)1984$546,880$1.7 million2024-08
Coastal Repertory Theatre Inc501(c)(3)1993$536,976$538,8772025-12
Half Moon Bay High School Boosters AthleticsRecreation and sports501(c)(3)2010$511,023$319,6352025-06
Halfmoon Bay Yacht Club Corporation501(c)(7)1981$481,241$995,4902024-12
Half Moon Bay Beautification Committee IncRecreation and sports501(c)(3)2002$415,408$147,4232025-06
Theravada Buddhist Society of AmericaReligion-related501(c)(3)1980$357,799$3.4 million2025-12
Table of Plenty HMB A Nonprofit CorporationFood, agriculture and nutrition501(c)(3)2015$347,907$614,1542025-12
Main Street ScholarsEducation501(c)(3)2016$338,848$100,7372025-06
Ekwulobia Catholic DioceseInternational, foreign affairs and national security501(c)(3)2022$310,911$283,6402025-12
Cabrillo Education Foundation501(c)(3)1986$309,915$3.8 million2025-12
Half Moon Bay Mens Golf Club501(c)(7)1992$303,416$158,8542025-09
Half Moon Bay Coastside Chamber of Commerce501(c)(6)1982$298,252$132,5702024-12
CSHRP Inc501(c)(6)1997$291,791$268,7862025-12
I D E S Society - of Half Moon BayHuman services501(c)(3)2020$279,520$1.1 million2024-12
Maiden Voyage Productions IncArts, culture and humanities501(c)(3)2014$205,509$19,9602025-12
San Mateo County Farm Bureau501(c)(5)1948$202,657$453,6182025-10
Half Moon Bay History AssociationArts, culture and humanities501(c)(3)2007$174,530$1.6 million2025-12
Coastside CertPublic safety, disaster preparedness and relief501(c)(3)2020$171,073$54,7292025-12
Alvin S Hatch Parent Teacher Organization IncEducation501(c)(3)2004$161,777$502,7172025-06
Little League Baseball Inc501(c)(3)1967$160,753$128,0322025-09
San Mateo Large Animal EvacPublic safety, disaster preparedness and relief501(c)(3)2021$157,348$323,9132024-12
Overwatch Collective CorporationMental health and crisis intervention501(c)(3)2022$123,537$125,0572025-12
Half Moon Bay Downtown Association IncCommunity improvement and capacity building501(c)(3)2020$123,027$12,9112025-12
California Riding Club IncRecreation and sports501(c)(3)2023$119,495$67,1782025-09
Half Moon Bay High School PtoEducation501(c)(3)2002$118,581$190,8502025-06
Terma FoundationInternational, foreign affairs and national security501(c)(3)2000$114,582$13,5182024-12
Half Moon Bay PiratesYouth development501(c)(3)2008$113,333$48,2632024-12
Coastal Arts League501(c)(3)1981$112,471$66,2242025-12
Coastside Womens Club501(c)(3)1996$105,887$116,8612026-05
Sea HuggerEnvironment501(c)(3)2018$102,694$35,0692025-12
Agramonte Ranch Research and Conservation CenterEnvironment501(c)(3)2019$92,904$511,2312025-12
Cunha Intermediate School PtoEducation501(c)(3)2003$87,982$232,4282026-06
Coastside Feral CareHuman services501(c)(3)2015$80,863$36,1832025-12
Half Moon Bay Girls Softball IncRecreation and sports501(c)(3)1992$76,932$46,2932024-12
Portuguese Culture Center of Half Moon Bay California501(c)(4)1988$76,049$338,1682025-12
Friends of Casa GeneracionInternational, foreign affairs and national security501(c)(3)2012$71,743$37,1172024-12
Friends of the Half Moon Bay LibraryEducation501(c)(3)2004$65,964$53,1782026-06
Movement ExchangeArts, culture and humanities501(c)(3)2013$65,421$34,0162025-12
Pop Warner Little Scholars IncYouth development501(c)(3)1990$63,328$46,0352024-12
Bay Area Ministries Inc501(c)(3)1995$52,313$21,7902025-06
Rotary Club of Half Moon Bay FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2001$50,758$217,4172025-06
International Association of Lions ClubsCommunity improvement and capacity building501(c)(4)1940$45,196$41,1872025-06
Heal ProjectEnvironment501(c)(3)2009$39,026$585,8382025-08
Cunha Athletic BoostersEducation501(c)(3)2014$35,218$82,3792025-06
Rotary International501(c)(4)1972$34,592$31,9422025-06
Johnston House Foundation Inc501(c)(3)1972$27,347$151,5452025-12
Friends of Half Moon Bay Parks and RecreationCommunity improvement and capacity building501(c)(3)2012$20,826$136,8872024-12
Brotherhood of St Anthony of Half Moon Bay501(c)(3)2014$19,243$94,3302024-12
Hmb-Odd Foundation IncArts, culture and humanities501(c)(3)2019$600$12,8292025-12
Coastside Leadership AcademyYouth development501(c)(3)2023$6$12026-06
Afcea Educational FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1984$0$02025-09
Ag GirlsEnvironment501(c)(3)2024
Aglow International501(c)(3)1973$0$02021-12
Armed Forces Communications and Electronics AssociationCommunity improvement and capacity building501(c)(6)1982$0$02025-09
Bay Area Ice DancersRecreation and sports501(c)(3)2018$0$02025-06
Bay Area Photographers Collective IncArts, culture and humanities501(c)(3)2001$0$02025-06
Believers in Christ Church of GodReligion-related501(c)(3)1997
Blago Fund IncArts, culture and humanities501(c)(3)2010$0$02025-12
Blue Blanket ImprovArts, culture and humanities501(c)(3)2005$0$02025-12
Brandon and Ivette White FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2023$225,8872025-12
Bruner Fam Foundation IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1999$169,4812024-12
California Disaster Medical Services AssociationHealth care501(c)(3)2000$0$02025-12
California Pilots Association501(c)(3)1986$0$02024-12
Coastside Aquatics CenterRecreation and sports501(c)(3)2024$0$02025-12
Coastside Community Orchestra501(c)(3)1990$0$02025-08
Coastside Fellowhip501(c)(3)2021$5,7122025-12
Coastside Friendship Organic Gardens IncEnvironment501(c)(3)2019$0$02025-12
Coastside Heritage FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2024$0$02024-12
Coastside Horse CouncilAnimal-related501(c)(3)2024$0$02025-05
Coastside Lutheran Church501(c)(3)1988
Coastside PlayschoolEducation501(c)(3)2022$0$02025-08
Companions in Waiting Rescue &ADOPTION IncAnimal-related501(c)(3)2007$0$02025-11
Dhanakosha FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1999$892,6392024-12
Direct Carbon OffsetEnvironment501(c)(3)2025$0$02025-12
Eaa Chapter 639 HMB PilotsEducation501(c)(3)2024$0$02025-12
Ecnu Education FoundationEducation501(c)(3)2021$0$02025-12
Fashioning for Social Environmental JusticeEnvironment501(c)(3)2024$0$02025-12
Fund for Sustainable TomorrowsArts, culture and humanities501(c)(3)2007$0$02025-12
Grace USAInternational, foreign affairs and national security501(c)(3)2003$0$02024-12
Green Street WorksHuman services501(c)(3)2021$0$02023-12
Half Moon Bay Amateur Radio ClubEducation501(c)(3)2024$0$02025-12
Half Moon Bay Branch of AauwEducation501(c)(3)2015$0$02026-06
Half Moon Bay Coastside Community Foundation IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2006$0$02024-12
Half Moon Bay Flying Club501(c)(7)1993$0$02024-12
Half Moon Bay Shakespeare CompanyArts, culture and humanities501(c)(3)2012$0$02025-12
Half Moon Bay Surf Club CorporationRecreation and sports501(c)(3)2022$28,5472025-12
Half Moon Bay Volunteer Fire Department501(c)(3)1990$0$02026-06
Hand Therapy Association of CaliforniaEducation501(c)(3)2016$0$211,3582025-12
Hemisphere SchoolEducation501(c)(3)2023$0$02025-06
High Tide Volleyball FoundationRecreation and sports501(c)(3)2026$0$02025-12
Iglesia Del Mar501(c)(3)1964
Islanders Football ClubRecreation and sports501(c)(3)2009$0$02024-12
Kairos KidsInternational, foreign affairs and national security501(c)(3)2011$0$02025-12
Kathleen Anne MartinCommunity improvement and capacity building501(c)(3)2025
Kirby FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2006$32.4 million2025-12
Knights of Columbus501(c)(8)1940$0$02025-12
La Leche League International IncHealth care501(c)(3)2017$0$02026-03
Lambadina FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2017$0$02025-12
Mariners Community Church501(c)(3)1991
Mavericks Swimming AssociationYouth development501(c)(3)2023$35,4562025-08
Miss Maker IncEducation501(c)(3)2022$0$02026-04
Missionary Church501(c)(3)1969
Mostly Balkan501(c)(4)1991$0$02025-12
Muchia Te Indigenous Land TrustEnvironment501(c)(3)2023$0$02025-12
Mutt MeadowsAnimal-related501(c)(3)2017$0$02024-06
National Charity League Inc Coastside ChapterPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2019$0$02025-05
North Bay Softball League IncRecreation and sports501(c)(3)2014$0$02025-12
Our Lady of the Pilar Catholic Church501(c)(3)1946
Panorama MedEducation501(c)(3)2022$12024-08
Partners in Animal Care & CompassionAnimal-related501(c)(3)2021$0$02025-12
Pilarcitos Coyote FoundationEducation501(c)(3)2025$0$02025-12
Protestant Episcopal Church in the Diocese of California501(c)(3)1976
Raymond and Joanne Lin FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1995$1 million2025-10
Rockeroth Charity FundInternational, foreign affairs and national security501(c)(3)2011$0$02024-12
Rooted Coastside MinistriesEducation501(c)(3)2025
San Francisco Fire Ner Tamid SocietyReligion-related501(c)(3)2024$0$02025-04
Shark Research CaliforniaAnimal-related501(c)(3)2024$0$02025-12
Spanish Immersion Parent Association of CusdEducation501(c)(3)2022$0$02025-06
Spark A Hope FoundationInternational, foreign affairs and national security501(c)(3)2009$0$02025-12
Tedesco Foundation for Technical Theatre ArtsArts, culture and humanities501(c)(3)2020$827,8802025-12
The Branscomb Family Foundation501(c)(3)1986$641,3312025-12
The Graybird FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2017$1.1 million2025-12
United Performers of the WorldArts, culture and humanities501(c)(3)2000$0$02025-12
Universal Church of Light501(c)(3)1978
Yanira Serrano Scholarship FundEducation501(c)(3)2026$0$02025-12

By cause in Half Moon Bay, CA

Nonprofits in every city of the state

Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.