| Sonoma Academy | 501(c)(3) | 2000 | $25.3 million | $146.8 million | 2025-06 |
| Roseland Charter School | 501(c)(3) | 2005 | $23 million | $60.4 million | 2025-06 |
| Santa Rosa Junior College Foundation | 501(c)(3) | 1972 | $20.7 million | $106.2 million | 2025-06 |
| Anova Education and Behavior Consultation Inc | 501(c)(3) | 2001 | $18.1 million | $29 million | 2025-06 |
| Sonoma Country Day School | 501(c)(3) | 1986 | $13 million | $30.8 million | 2025-06 |
| Summerfield Waldorf School and Farm | 501(c)(3) | 1975 | $7.4 million | $10.4 million | 2025-06 |
| Fostering Early Learning Institute | 501(c)(3) | 2000 | $4.2 million | $615,595 | 2023-12 |
| The Climate Center | 501(c)(3) | 2002 | $3.7 million | $1.6 million | 2025-06 |
| Career Technical Education Foundation Sonoma County | 501(c)(3) | 2014 | $2.8 million | $1.9 million | 2024-06 |
| Victory Christian Academy | 501(c)(3) | 2020 | $2.3 million | $1.2 million | 2025-06 |
| The Village Charter School Inc | 501(c)(3) | 2009 | $1.8 million | $1.2 million | 2025-06 |
| Vital Immigrant Defense Advocacy & Services | 501(c)(3) | 2014 | $1.7 million | $536,495 | 2024-12 |
| Amicus Law Library | 501(c)(3) | 2015 | $1.4 million | $1.4 million | 2025-12 |
| Farm Bureau Foundation of Sonoma County | 501(c)(3) | 2007 | $1.3 million | $1.6 million | 2025-10 |
| College Oak Montessori School Inc | 501(c)(3) | 1999 | $1 million | $469,124 | 2024-06 |
| New Horizon School and Learning Center | 501(c)(3) | 1981 | $827,835 | $197,700 | 2025-07 |
| Brush Creek Family Services Inc | 501(c)(3) | 1975 | $805,717 | $713,169 | 2025-08 |
| West Santa Rosa Local Action Council Agency Incorporated | 501(c)(3) | 1979 | $754,466 | $1.3 million | 2025-06 |
| Sonoma County Bicycle Coalition | 501(c)(3) | 2001 | $749,711 | $220,447 | 2025-06 |
| Roseland Charter School Foundation | 501(c)(3) | 2021 | $664,132 | $6.1 million | 2025-06 |
| North Coast Builders Exchange Community Fund | 501(c)(3) | 2000 | $581,850 | $171,968 | 2025-06 |
| Rwanda School Project | 501(c)(3) | 2007 | $546,807 | $1.4 million | 2025-12 |
| Brush Creek Montessori School | 501(c)(3) | 1999 | $496,377 | $554,656 | 2025-06 |
| Angela Merici and John Henry Newman Foundation Inc | 501(c)(3) | 2006 | $449,204 | $2.2 million | 2025-06 |
| Magnolia Global Academy for Leaders-Mgal | 501(c)(3) | 2021 | $420,262 | $191,206 | 2025-06 |
| Elsie Allen High School Foundation | 501(c)(3) | 2015 | $419,578 | $2.7 million | 2025-06 |
| California Foundation for History Education Inc | 501(c)(3) | 2021 | $405,028 | $41,796 | 2024-12 |
| Puma Athletic Boosters | 501(c)(3) | 2014 | $229,989 | $226,881 | 2025-06 |
| Santa Rosa French-American Charter School Foundation | 501(c)(3) | 2012 | $217,743 | $105,891 | 2025-06 |
| Sonoma Country Day Parents | 501(c)(3) | 2000 | $211,867 | $4,171 | 2025-06 |
| Others | 501(c)(3) | 2014 | $208,200 | $27,039 | 2024-12 |
| Santa Rosa High School Panther Athletic Club | 501(c)(3) | 2016 | $187,468 | $136,936 | 2025-06 |
| MCHS Band Boosters | 501(c)(3) | 2005 | $165,863 | $59,573 | 2025-06 |
| Rock-It Science Educationally Useful Programs | 501(c)(3) | 1998 | $145,479 | $52,518 | 2025-12 |
| Made in Santa Rosa Education Foundation | 501(c)(3) | 2023 | $132,997 | $129,248 | 2025-06 |
| Keystone Species Alliance | 501(c)(3) | 2025 | $130,362 | $2,058 | 2024-12 |
| Bennett Valley Alliance of Parents and Teachers | 501(c)(3) | 1994 | $122,003 | $97,835 | 2025-07 |
| Santa Rosa Red Barons Softball Association | 501(c)(3) | 2019 | $121,607 | $48,201 | 2024-12 |
| Bennett Valley Education Foundation | 501(c)(3) | 1993 | $109,407 | $343,873 | 2026-06 |
| Cesar Chavez Language Academy Foundation | 501(c)(3) | 2016 | $106,396 | $115,030 | 2025-06 |
| Sonoma County Beekeepers Association | 501(c)(3) | 2011 | $99,358 | $55,486 | 2025-06 |
| Montgomery Education Foundation | 501(c)(3) | 1996 | $94,506 | $240,995 | 2023-06 |
| Sequoia Parents Club Inc | 501(c)(3) | 1996 | $94,092 | $149,909 | 2025-06 |
| Oak Grove Education Partners | 501(c)(3) | 2002 | $91,240 | $271,018 | 2025-06 |
| Esperanza Wrestling Boosters Club | 501(c)(3) | 2016 | $86,960 | $38,235 | 2026-06 |
| Hidden Valley School Organization | 501(c)(3) | 1989 | $84,543 | $235,612 | 2025-06 |
| Oakmont Lifelong Learning Inc | 501(c)(3) | 2019 | $83,820 | $53,129 | 2025-12 |
| School for the Arts Community Organization | 501(c)(3) | 2008 | $69,465 | $26,548 | 2025-06 |
| San Miguel Site Parent Teacher Organization | 501(c)(3) | 2015 | $68,095 | $73,057 | 2025-06 |
| Rincon Valley Middle School Student Teacher Parent Council Inc | 501(c)(3) | 2001 | $64,489 | $17,044 | 2025-06 |
| Latino Unidos Del Condado de Sonoma | 501(c)(3) | 2012 | $63,484 | $37,191 | 2024-12 |
| Austin Creek Parents Club Inc | 501(c)(3) | 2000 | $60,931 | $70,823 | 2025-06 |
| Santa Rosa Childrens Chorus | 501(c)(3) | 2024 | $58,916 | $11,905 | 2025-06 |
| Fox Pacific Academy | 501(c)(3) | 2022 | $52,606 | $422,361 | 2024-12 |
| MHS Booster Club | 501(c)(3) | 2008 | $49,969 | $116,459 | 2025-06 |
| Spring Lake Middle School Parents Association | 501(c)(3) | 2008 | $49,418 | $8,434 | 2025-06 |
| Forestry Crab Feed | 501(c)(3) | 2013 | $47,583 | $65,733 | 2025-10 |
| Maria Carrillo High School Association | 501(c)(3) | 1997 | $46,110 | $92,649 | 2025-06 |
| Ursuline Alumnae Association | 501(c)(3) | 2012 | $41,575 | $73,992 | 2025-12 |
| Center for Educational Renewal | 501(c)(3) | 2000 | $36,856 | $62,118 | 2024-12 |
| Druidic Scholarship Awards Program | 501(c)(3) | 2022 | $32,970 | $341,783 | 2026-04 |
| Jack London Families | 501(c)(3) | 2004 | $32,358 | $36,174 | 2025-06 |
| Santa Rosa Kiwanis Foundation | 501(c)(3) | 2000 | $27,797 | $65,064 | 2025-09 |
| Olivet Families | 501(c)(3) | 2000 | $22,954 | $63,148 | 2023-06 |
| Elsie Allen High School Ag Boosters | 501(c)(3) | 2009 | $13,603 | $82,061 | 2026-03 |
| Rincon Valley Union School District Foundation | 501(c)(3) | 2003 | $6,156 | $13,634 | 2025-06 |
| Earthhart | 501(c)(3) | 2000 | $2,284 | $15,393 | 2025-12 |
| Sonoma County Safe and Sober Project Graduation | 501(c)(3) | 2012 | $1,500 | $3,271 | 2025-07 |
| Santa Rosa Junior College Shone Farm Foundation | 501(c)(3) | 2018 | $1,294 | $9,278 | 2025-06 |
| 404 Found Code | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| American Association of University Women | 501(c)(4) | 2010 | $0 | $0 | 2025-06 |
| Arena Boosters Club | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Arlene Francis Foundation | 501(c)(3) | 1995 | | $355,543 | 2025-10 |
| Baked Dog | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Binkley Boosters | 501(c)(3) | 2007 | $0 | $0 | 2026-06 |
| Bridge To Bucks | 501(c)(3) | 2026 | | | |
| California Community College Womens Volleyball Coaches Association | 501(c)(3) | 2019 | $0 | $0 | 2025-08 |
| Carlo Acutis Academy | 501(c)(3) | 2026 | | | |
| Constructive Learning Project | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Corales de La Tierra Corporation | 501(c)(3) | 2025 | $0 | $0 | 2025-08 |
| Corday All Day Foundation | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Cta Nea Retired Northbay | 501(c)(3) | 2018 | $0 | $0 | 2026-08 |
| Douglas Whited Pto | 501(c)(3) | 2017 | $0 | $0 | 2025-06 |
| El Molino High School Foundation | 501(c)(3) | 2005 | $0 | $0 | 2025-06 |
| Empire College Foundation | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Entrepreneurs of Tomorrow Inc | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Friends of Artquest Incorporated | 501(c)(3) | 2012 | $0 | $0 | 2025-06 |
| Hague Collective Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Herbert Slater Parent Teacher Organization | 501(c)(3) | 2022 | $0 | $0 | 2024-06 |
| Informing Science Institute | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| International Live Events Association Inc | 501(c)(3) | 1989 | $0 | $0 | 2024-06 |
| Josiah Rich Ministries | 501(c)(3) | 2001 | $0 | $0 | 2026-06 |
| La Familia de Kawana Springs | 501(c)(3) | 2023 | $0 | $0 | 2025-06 |
| Leadership Santa Rosa Alumni Association | 501(c)(3) | 2019 | $0 | $0 | 2024-06 |
| Lighthouse Christian School of Sono Ma County | 501(c)(3) | 2026 | $0 | $0 | 2026-06 |
| Lobos Athletic Boosters | 501(c)(3) | 2024 | $0 | $0 | 2026-06 |
| Montgomery High School Alumni Foundation | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Montgomery High School Visual and P Erforming Arts Foundation | 501(c)(3) | 2026 | | | |
| Nevada Land Surveyors Education Foundation | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Northern California Dermatology Society | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Northwest Prep Parent-Student-Teacher Organizatio | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Novara Digital Lab Novara Laborator Io Digital | 501(c)(3) | 2026 | | | |
| One Ministries Fort Bragg Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Operation Graduation Inc | 501(c)(3) | 2025 | | | |
| Out To Protect Incorporated | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| P O C S Parent Club | 501(c)(3) | 2005 | $0 | $0 | 2025-06 |
| Parent Booster USA Inc | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Piner High School Athletic Hall of Fame Inc | 501(c)(3) | 2024 | | | |
| Piner High School Foundation of Santa Rosa Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Present Generation | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Project Information Literacy Inc | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Robert L Stevens PTC | 501(c)(3) | 2011 | $0 | $0 | 2025-07 |
| Romeo and Gail Cerini Scholarship Fund | 501(c)(3) | 2007 | | $652,813 | 2025-12 |
| Santa Rosa Accelerated Charter School Student Faculty Parent | 501(c)(3) | 2006 | $0 | $0 | 2025-08 |
| Santa Rosa High School Dance Boosters | 501(c)(3) | 2016 | $0 | $0 | 2025-06 |
| Santa Rosa Middle School Parent Faculty Student Organization | 501(c)(3) | 2022 | $0 | $0 | 2025-06 |
| Seraphim Fund | 501(c)(3) | 2026 | | | |
| Sonoma County Association of School Psychologists | 501(c)(3) | 2023 | | $9,873 | 2024-06 |
| Sonoma County Homeschoolers Nonprofit | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Sparq Center at Piner High School | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Strands of Hope Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Terra Incognita Collective Inc | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Together Above All | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Toolsforlifeinc | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Troa Col Bray Memorial Scholarship Fund | 501(c)(3) | 1997 | $0 | $0 | 2025-12 |
| Troop 32 Santa Rosa Inc | 501(c)(3) | 2025 | | | |
| Village Elementary School Parents Club | 501(c)(3) | 2014 | $0 | $0 | 2026-06 |
| West County Transportation Agency | 501(c)(3) | 2008 | | | |
| Women Rise Foundation Inc | 501(c)(3) | 2025 | | | |
| Wonderu Inc | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Wright School Parent-Teacher Club | 501(c)(3) | 2010 | $0 | $0 | 2025-07 |