Top 100 largest nonprofits in Sonoma County 2023

Sonoma County is home to more than 3,080 registered nonprofit agencies and not-for-profit organizations that reported more than $2 billion in annual revenue, according to data compiled by GuideStar and the Economic Research Institute, using the most recently available tax forms.

They are involved in everything from health care and human services to education, arts and culture. The following are the 100 largest nonprofits and not-for-profit organizations incorporated in Sonoma County, ranked in order of annual gross receipts reported in their most recent tax filing.

1. Redwood Credit Union: Santa Rosa. $304.5 million. Redwood Credit Union is engaged in providing low cost financial services to our member-owners as a cooperative organization. 800-479-7928. redwoodcu.org

2. Santa Rosa Community Health Centers: Santa Rosa. $81.3 million. Eight centers that provide primary health care and health education to underserved people in our community, regardless of their ability to pay. 707-303-3600. srhealth.org

3. Burbank Housing Development Corporation: Santa Rosa. 
$69.9 million. Dedicated to increasing the supply of housing in Sonoma County, so that low-income people of all ages, backgrounds and special needs will have a better opportunity to live in decent and affordable housing. 707-526-9782. burbankhousing.org

4. Petaluma Health Center: Petaluma. $63.5 million. Primary medical care for all ages, regardless of ability to pay. 707-559-7500. phealthcenter.org

5. Redwood Empire Food Bank: Santa Rosa. $53.8 million. The largest hunger-relief organization serving north coastal California from Sonoma County to the Oregon border. 707-523-7900. refb.org

6. Canine Companions For Independence: Santa Rosa. $45.7 million. Enhance the lives of people with disabilities by providing highly trained assistance dogs. 707-577-1700. cci.org

7. Catholic Charities of the Diocese Of Santa Rosa: Santa Rosa. $38.4 million. A human services agency serving those most in need and of all faiths, primarily seniors, immigrants, and families facing poverty and/or homelessness. Offices in Sonoma, Napa and Lake counties. 707-528-8712. srcharities.org

8. Sonoma County Community Foundation: Santa Rosa. $38.3 million. An organization that is connected to Sonoma County and the people who call it home. They are acutely aware of the disparities in who has access to what they need to thrive. 707-579-4073. sonomacf.org

9. Community First Credit Union: Santa Rosa. $36.7 million. Credit Union. 707-546-6000. comfirstcu.org

10. Sonoma County Indian Health Project: Santa Rosa.
$34.6 million. IImproves and maintains a comprehensive health care system to serve the needs and traditional values of the Sonoma County American Indian Community. 707-521-4545. scihp.org

11. Nations Finest: Santa Rosa. $32.8 million. Offers community-based programs and services for veterans and their families. 707-578-2785. nationsfinest.org/locations/santa-rosa

12. West County Health Centers: Guerneville. $27.9 million.
Community health center serving western Sonoma County providing medical, dental and mental health care services, sites include Sebastopol, Occidental, Guerneville and Forestville. 707-869-5977. wchealth.org

13. Community Child Care Council of Sonoma County Inc (Sonoma 4Cs): Santa Rosa. $26.2 million.
 Operates 11 Sonoma County child development centers and preschools providing quality, accessible, affordable preschool and child care services for children, families and child care professionals. 707-544-3077. sonoma4cs.org

14. Roseland Charter School: Santa Rosa. $25.8 million. K-12 charter school. 707-545-0102. roselandsd.org

15. Legal Defense Fund : Santa Rosa. $23.8 million. A health and welfare employee benefit plan for peace officers and public safety personnel. 209-774-5600. poracldf.org

16. Alternative Family Services: Santa Rosa.
 $22 million. Support vulnerable children and families in need of stability, safety and well being as well as thousands of foster youth in Northern California. 707-576-7700. afs4kids.org

17. Alliance Medical Center: Healdsburg. $21.2 million. Community health center serving low income residents of Healdsburg and Windsor with medical and dental services. 707-385-2306. alliancemed.org

18. United Cerebral Palsy of the North Bay: Petaluma. $20.4 million. Promotes and supports a full quality of life for people with Cerebral Palsy and other disabilities. 707-766-9990. ucpnb.org

19. Goodwill Industries Of Redwood: Santa Rosa. $19.4 million. 
Dedicated to developing, maintaining programs that place people with disabilities and other special needs in productive and competitive jobs. 707-523-0550. gire.org

20. Sonoma Academy: Santa Rosa. $19.2 million. Private co-ed college preparatory high school. 707-545-1770. sonomaacademy.org

21. Fountaingrove Golf & Athletic Club: Santa Rosa. $19.1 million.
 Recreational facility and fitness center. 707-521-3207. thefountaingroveclub.com

22. Eames Institute: Petaluma. $18 million. Since 1988, three generations of the Eames family have contributed to the project of upholding and promoting curious problem solvers throught design. 707-765-1717. eamesinstitute.org

23. Santa Rosa Junior College Foundation: Santa Rosa. $17.5 million. 
Raises funds to support programs, scholarships, facilities and special projects of Santa Rosa Junior College. 707-527-4348. santarosa.edu/foundation

24. Point Reyes Bird Observatory: Petaluma.
 $17.3 million. Point Blue's 160 scientists develop nature-based solutions to climate change, habitat loss and other environmental threats to benefit wildlife and people. 707 781-2555. pointblue.org

25. Boys & Girls Clubs of Sonoma-Marin: Santa Rosa. $16.9 million. The club aims to inspire and enable all young people, especially those who need us most, to realize their full potential as productive, responsible and caring adults. 707-528-7977. bgcsonoma-marin.org

26. California Human Development Corp.: Santa Rosa. $16.1 million. 
Creates job training, housing, recovery and other services for farmworkers, day laborers and people with disabilities. 707-523-1155. californiahumandevelopment.org

27. Luther Burbank Center for the Arts: Santa Rosa. $16.1 million. North Bay's premier arts center with performances in music, dance, theater, comedy and spoken word plus education-through-the-arts programs for children and adults; also, facility rentals for community events. 707-527-7006, lutherburbankcenter.org

28. Becoming Independent: Santa Rosa. $15.8 million. Becoming Independent is a community-based service organization that helps adults with intellectual and developmental disabilities in the North Bay. Their services education, housing, access to healthcare, food security, mental and emotional health support. 707- 524-6600. becomingindependent.org

29. Community Action Partnership of Sonoma County: Santa Rosa. $15.5 million. Human services agency founded in 1967, mission is to partner with low-income families and individuals to help them to achieve economic and social stability, reduce poverty, build community and advocate for social and economic justice. 707-544-6911. capsonoma.org

30. Animal Legal Defense Fund: Cotati. $15.1 million. The fund’s mission is to protect the lives and advance the interests of animals through the legal system. 707-795-2533. aldf.org

31. North Bay Rehabilitation Services: Rohnert Park. $14.6 million.
 Vocational rehabilitation for the disabled. 707-585-1991. nbrs.org

32. Sonoma Land Trust: Santa Rosa. $13.7 million.
 Protects the scenic, natural, agricultural and open landscapes of Sonoma County for the benefit of the community and future generations. 707-526-6930. sonomalandtrust.org

33. Sonoma Valley Community Health Center: Sonoma. $13.6 million.
 Health care for those in need, especially the underserved in the Sonoma Valley. 707-939-6070. svchc.org

34. Aliados Health Network: Petaluma. $13.4 million. Vibrant community health centers working in partnership to advance well-being and health equity for all. 707-792-7900. aliadoshealth.org

35. Petaluma People Service Center: Petaluma. $12.6 million.
Human services agency with a broad scope of services including counseling, job placement, gang prevention, daily hot meals, rides to the doctor, case management and financial assistance for homeless prevention. 707-765-8488. petalumapeople.org

36. Anova Education and Behavior Consultation Inc: Santa Rosa. $12.5 million. Specialized education institution. 707-527-7032. anovaeducation.org

37. West County Community Services: Guerneville. $12.5 million. Critical social programs for at-risk and vulnerable populations including employment, housing, mental health and counseling services. 707-823-1640. westcountyservices.org

38. Sonoma County Fair & Exposition: Santa Rosa. $11.5 million. Operates Sonoma County Fairgrounds. 707-545-4200. sonomacountyfair.com

39. Center For Applied Research Solutions Inc: Santa Rosa. $11.3 million. Provides training and technical assistance to major initiatives in mental health, substance abuse, stigma reduction, suicide prevention, and safe and healthy schools and colleges through research, training and the dissemination of educational materials. 707-568-3800. cars-rp.org

40. Sonoma County Tourism Bureau Inc.: Santa Rosa. $10.7 million. 
Promotes Sonoma County as a premier overnight destination with unique and diverse experiences. 707-522-5800. sonomacounty.com

41. Sonoma Country Day School: Santa Rosa. $10.7 million. Private primary school. 707-284-3200. scds.org

42. Redwood Empire Electrical Workers Health & Welfare Trust: Santa Rosa. $10.7 million. Provides health care benefits to eligible participants. 707-526-1996. reew.org

43. TLC Child & Family Services: Sebastopol, $10.5 million. Foster care. 707-823-7300, tlc4kids.org

44. North Bay Credit Union: Santa Rosa. $10.1 million. Credit Union. 707-584-0384. northbaycu.com

45. Building Decarbonization Coalition: Petaluma. $9.8 million. Bringing policymakers, building industry stakeholders, environmental groups and consumers together to move buildings off fossil fuels. buildingdecarb.org

46. Paws For Purple Hearts: Penngrove. $9.8 million.Trained service dogs for military service members and those with PTSD, mobility issues and traumatic brain injuries. 707-238-5110. pawsforpurplehearts.org

47. California Parenting Institute: Santa Rosa. $9 million. Child Parent Institute, formerly California Parenting Institute, is a parent education and children’s mental health agency serving families throughout Sonoma County. 707-585-6108. calparents.org

48. Inquiring Systems Inc.: Santa Rosa. $8.3 million. Offers training and technical assistance in ethically directed business development and management. 707-939-3900. inquiringsystems.org

49. PEP Housing: Santa Rosa. $7.9 million. PEP Housing is a nonprofit corporation dedicated to providing limited-income seniors with quality affordable housing, housing support services and advocacy. 707-762-2336. pephousing.org

50. Summerfield Waldorf School and Farm: Santa Rosa. $7.7 million. Private primary and secondary school. 707-575-7194. summerfieldwaldorf.org

51. Redwood Gospel Missions: Santa Rosa. $7.5 million. Services for the homeless and needy. 707-578-1830. srmission.org

52. Social Advocates for Youth: Santa Rosa. $7.3 million. helping youth and families throughout Sonoma County by providing housing, counseling, education and employment programs. 707-544-3299. saysc.org

53. Healdsburg School: Healdsburg. $7.3 million. Private school. 707-433-4847. thehealdsburgschool.org

54. Committee on the Shelterless: Petaluma. $7 million. Shelter, housing, food and transformative programs and services for homeless children and adults. 707-765-6530. cots.org

55. Sonoma State University Foundation: Rohnert Park. $7 million. Receives and administers endowment gifts and planned giving that enhances and promotes Sonoma State's educational mission. 707-664-3251. sonoma.edu

56. Alexander Valley Healthcare: Cloverdale. $7 million. Primary medical care provider. 707-894-4229. alexandervalleyhealthcare.org

57. Sonoma County Family YMCA: Santa Rosa. $6.9 million. 
Their mission is to eliminate domestic violence though awareness, education and empowerment. 707-545-9622. scfymca.org

58. Credo High School: Rohnert Park. $6.5 million. Public college prep. Charter high school using Waldorf methodology. 707-664-0600. credohigh.org

59. Santa Rosa Symphony: Santa Rosa. $6.3 million. North Bay's premier orchestra, resident orchestra of the Green Music Center, providing high-quality musical performances including classical, pops and choral works and music education for schools and youth orchestras. 707-546-7097. srsymphony.org

60. Sonoma State Enterprises Inc: Rohnert Park. $6.2 million.
Provides services to the campus of Sonoma State University. 707-664-3251. sonoma.edu/afd/enterprises

61. Occidental Arts And Ecology Center: Occidental. $6 million. Organic horticulture, arts and ecology education and community organizing. 707-874-1557. oaec.org

62. Oakmont Village Association: Santa Rosa. $6 million.
Provides social and recreational activities for the members of Oakmont Village. 707-539-1611. oakmontvillage.com

63. St. Vincent de Paul Society: Rohnert Park. $5.9 million. Support the needy through low-cost sales and gifts of food and merchandise. 707-584-1579, svdp-sonoma.org

64. Housing Land Trust of Sonoma County: Petaluma. $5.6 million.
 To increase home ownership opportunities to low and moderate-income families in Sonoma County while ensuring permanent housing affordability through the use of the land trust model. 707-766-8875. housinglandtrust.org

65. Council on Aging Services for Seniors: Santa Rosa. $5.5 million. 
Senior services agency providing social, financial, legal and nutrition services to promote well-being and maintain independence. 707-525-0143. councilonaging.com

66. Greenacre Homes: Sebastopol, $5.5 million. Residential care and education of developmentally disabled boys. 707-823-8722, greenacrehomes.org

67. Rural California Broadcasting Corp. KRCB-TV Channel 22: Rohnert Park. $5.3 million. Provides educational television and radio broadcasting in Northern California. 707-584-2000. norcalpublicmedia.org

68. Grantmakers Concerned with Immigrants and Refugees: Petaluma. $5.2 million.
 Seeks to attain grant contributions from the philanthropic field to address the needs of immigrant and refugee populations. 707-313-5367. gcir.org

69. Drug Abuse Alternatives Center: Santa Rosa. $5.1 million. Turning lives around by providing healthy alternatives to alcohol and drug use. 707-571-2233. daacinfo.org

70. Pediatric Dental Initiative of the North Coast: Windsor. $5 million. A sustainable dentistry resource serving low-income children of Northern California who need safe sedation for dental treatment. Also provides oral health and prevention education. 707-837-8833. pdisurgerycenter.org.

71. Spring Hill Montessori: Petaluma.
$4.9 million. Charter School. 707-763-9222. thespringhillschool.org

72. Humane Society Of Sonoma County: Santa Rosa. $4.7 million.
 Receives and administers gifts, program revenues and bequests that are used to support its animal shelters and programs that benefit animals and people in Sonoma County. 707-542-0882. sonomahumane.org

73. Pathways Charter School: Rohnert Park. $4.4 million. Supports individualized home-based independent study for students in grades K-12 in five North Bay counties. 707-585-6510. pathwayscharter.org

74. Santa Rosa Chamber of Commerce: Santa Rosa. $4.4 million. From each member to every program and volunteer, in downtown Santa Rosa or the region, we are shaping the future of living and doing business here, the place we call home. 707-545-1414. santarosametrochamber.com

75. Interfaith Shelter Network Inc.: Santa Rosa. $4.4 million.
Housing and a hand up for homeless men, women and children in Sonoma County. 707-546-7907. ifsn.org

76. Frank P. Doyle Trust: Santa Rosa. $4.2 million. Scholarships for Santa Rosa Junior College students and $2,000 for the upkeep of Doyle Park. 707-524-3117. doyle.santarosa.edu

77. Burbank Housing Management Corporation: Santa Rosa. $4.2 million.
 Provides management services, compliance and community service activities for affordable housing properties in Sonoma County. 707-526-9782. burbankhousing.org

78. Ceres Community Project: Sebastopol, $4.1 million. Teens volunteer as gardeners and chefs preparing nutritious meals for families facing a life-threatening illness. 707-829-5833, ceresproject.org

79. Community Support Network: Santa Rosa. $3.9 million. Provides support, housing and dignity to individuals with mental health challenges. 707-575-0979. communitysupportnet.org

80. Legal Aid Of Sonoma County: Santa Rosa. $3.8 million. Promote social justice and advance basic human rights for vulnerable people in our community. 707-542-6664. legalaidsc.org

81. Sonoma County Family YMCA: Santa Rosa. $ 3.7 million. Their mission is to eliminate domestic violence though awareness, education and empowerment. 707-545-9622,. scfymca.org

82. Northern California Volleyball Association: Santa Rosa.
$3.7 million. To develop the game of volleyball on an amateur basis among youths and adults of the Northern California and Northern Nevada areas. 415-550-7582. ncva.com

83. Habitat for Humanity of Sonoma County: Santa Rosa. $3.7 million. Faith-based organization that builds modest, affordable homes in partnership with local communities and families in need. 707-578-7707. habitatsoco.org

84. Bird Rescue Center: Santa Rosa. $3.7 million. The Bird Rescue Center is the only wildlife organization in Sonoma County dedicated to all species of native wild birds through rescue, rehabilitate and release. 707-523-2473. birdrescuecenter.org

85. Fostering Early Learning Institute: Rohnert Park. $3.7 million. The nonprofit provides free social and developmental screenings and services to children in Sonoma County from birth through age 5 and not yet in kindergarten, who would otherwise not be screened or served. 707-591-0170. earlylearninginstitute.com

86. Transcendence Theater Company: Sonoma.
 $3.6 million. Performing arts organization. 877-424-1414. ttcsonoma.org

87. Boys & Girls Clubs Of Sonoma Valley: Sonoma. $3.6 million. To provide positive opportunities for youth to learn and succeed. 707-938-8603. bgcsonoma.org

88. Food For Thought: Forestville. $3.5 million. Provides food, nutrition and other services to people who are at risk of malnutrition. 707-877-1647. fftfoodbank.org

89. Presentation School: Sonoma. $3.5 million. The school prepares students emotionally, academically, socially and physically to become life-long learners and socially responsible leaders. 707-935-0122. presentationschool.com

90. Charles M Schulz Museum And Research Center: Santa Rosa. $3.5 million. Preserves, displays and interprets the art of Charles M. Schulz. Offers tours, classes, camps and workshops. 707-579-4452. schulzmuseum.org

91. Sonoma Ecology Center: Eldridge. $3.5 million. Works with the community to enhance and sustain ecological health in Sonoma Valley. 707-996-0712. sonomaecologycenter.org

92. Carpenters Housing Corp.: Santa Rosa. $3.4 million. Public housing for low-income families and the handicapped people of Santa Rosa. 707-546-1797.

93. Live Oak Charter School: Petaluma. $3.4 million.
K-8 Charter School. 707-762-9020. liveoakcharter.org

94. Pepperwood Foundation: Santa Rosa. $3.3 million. Operates a 3,200-acre scientific preserve to engage students, volunteers and scientists in applied conservation. 707-591-9310. pepperwoodpreserve.org

95. The Climate Center: Santa Rosa. $3.2 million. Together with local governments, labor unions, business leaders, environmental organizations, climate justice advocates, and more, we’re pushing lawmakers in Sacramento to enact policies that turn our vision into reality. 707-525-1665. theclimatecenter.org

96. Northern California Center for Well-Being: Santa Rosa. $3.2 million.
 Offers classes to help you curb the effects of diabetes, arthritis, cardiovascular disease, obesity and more. 707-338-6219. norcalwellbeing.org

97. Chinese Christian Mission: Petaluma. $3.1 million. Evangelism among the Chinese community locally and through foreign missions. 707-762-1314. ccmusa.org

98. United Way of the Wine Country: Santa Rosa. $3 million. Serving Sonoma, Mendocino, Lake, Humboldt and Del Norte counties by mobilizing the caring power of our community through leadership, community engagement and effective investment including education, financial stability and health initiatives. 707-528-4485. unitedwaywinecountry.org

99. Slow Sculpture: Santa Rosa. $2.9 million.
 Intermediate care facilities serving adults with developmental disabilities. 707-537-7024.

100. Extended Child Care: Santa Rosa. $2.9 million. Provides before- and after-school programs at 10 sites for the Mark West, Wright and Windsor school districts. 707-545-2402, extcc.org

Other nonprofits

North Coast Resource Conservation & Development: Santa Rosa. $2.9 million. The organization focuses on environmental education and action with youth and the North Bay community through pollinator protection, water conservation, climate change and healthy sustainable communities. 707-978-4149. ncrcanddc.org

River To Coast Childrens Services: Guerneville. $2.8 million. Resources, referrals and support to families and child care providers in western Sonoma County. 707-869-3613. rccservices.org

United Camps, Conferences & Retreats
: Petaluma. $2.7 million. Operates and administers camp and conference facilities for non-profit and church organizations. 707-762-3185. uccr.org

Editor's note: The Top 100 Largest Nonprofits in Sonoma County list has been updated to reflect the most recent tax information from IRS “Form 990” filings for TLC Child & Family Services, Greenacre Homes and Ceres Community Project.