Data / Nonprofits / California / Eureka
Nonprofits in Eureka, CA: 350 registered with the IRS
350 nonprofits are registered with the IRS in Eureka, CA, 275 of them 501(c)(3) charities; the 150 that report revenue took in $353 million. The largest by revenue: Credit Unions in the State of California ($101.2 million), Humboldt Senior Resource Center Incorporated ($44.5 million), Changing Tides Family Services ($19.6 million). Most common causes: education (27), arts, culture and humanities (26), human services (22).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Credit Unions in the State of California | 501(c)(14) | 1961 | $101.2 million | $2.18 billion | 2024-12 | |
| Humboldt Senior Resource Center Incorporated | 501(c)(3) | 1975 | $44.5 million | $26.8 million | 2025-06 | |
| Changing Tides Family Services | Human services | 501(c)(3) | 1975 | $19.6 million | $8.6 million | 2025-06 |
| Hospice of Humboldt | Human services | 501(c)(3) | 1978 | $12.9 million | $22.4 million | 2025-03 |
| Arcata Economic Development Corporation | Community improvement and capacity building | 501(c)(3) | 1980 | $12.7 million | $16.9 million | 2026-06 |
| Redwood Community Action Agency | Human services | 501(c)(3) | 1981 | $12.4 million | $3.2 million | 2024-12 |
| Alder Grove Charter School | Education | 501(c)(3) | 2011 | $9.1 million | $11.4 million | 2025-06 |
| Food for People Inc | Food, agriculture and nutrition | 501(c)(3) | 1982 | $8.9 million | $12.9 million | 2025-09 |
| Nothern United Charter Schools | Education | 501(c)(3) | 2019 | $8.9 million | $6.2 million | 2025-06 |
| Compass Community Credit Union | 501(c)(14) | 1961 | $8.1 million | $177.8 million | 2025-12 | |
| Sorrel Leaf Healing Center Inc | Mental health and crisis intervention | 501(c)(3) | 2021 | $6.5 million | $11.7 million | 2025-12 |
| Northern California Community Blood Bank | 501(c)(3) | 1989 | $6 million | $4.6 million | 2025-06 | |
| Pams Foundation Inc | International, foreign affairs and national security | 501(c)(3) | 2016 | $5.8 million | $3.9 million | 2024-12 |
| Northern California Indian Development Council Inc | 501(c)(3) | 1976 | $5.5 million | $7.7 million | 2024-12 | |
| Humboldt Community Access and Resource Center | Human services | 501(c)(3) | 1956 | $4.9 million | $3.6 million | 2025-06 |
| St Bernards Catholic Schools | Education | 501(c)(3) | 2001 | $4.6 million | $2.5 million | 2025-07 |
| Salmonid Restoration Federation | Animal-related | 501(c)(3) | 1993 | $4.2 million | $2.5 million | 2025-12 |
| Redwood Coast Montessori | Education | 501(c)(3) | 2015 | $4 million | $1.2 million | 2025-06 |
| Butler Valley Incorporated | Health care | 501(c)(3) | 1980 | $3.7 million | $2.8 million | 2025-09 |
| Area I Agency On Aging | Human services | 501(c)(3) | 1981 | $3.5 million | $1.8 million | 2025-06 |
| Alcohol-Drug Care Services Inc | Mental health and crisis intervention | 501(c)(3) | 1994 | $3.3 million | $742,384 | 2025-06 |
| P V Charter School Inc | 501(c)(3) | 2009 | $3.2 million | $2.1 million | 2025-06 | |
| Ink People Inc | Arts, culture and humanities | 501(c)(3) | 1981 | $3.1 million | $2.4 million | 2025-03 |
| College of the Redwoods Foundation | Education | 501(c)(3) | 1965 | $3 million | $10.2 million | 2025-06 |
| Institute for Wildlife Studies | Animal-related | 501(c)(3) | 1979 | $2.9 million | $6.8 million | 2024-12 |
| Making Headway Center for Brain Injury Recovery | Diseases, disorders and medical disciplines | 501(c)(3) | 2000 | $2.8 million | $4 million | 2025-12 |
| Humboldt Recovery Center Inc | Mental health and crisis intervention | 501(c)(3) | 1973 | $2.1 million | $2.6 million | 2025-06 |
| Redwood Empire Public Television | 501(c)(3) | 1968 | $2 million | $1.2 million | 2025-06 | |
| True North Organizing Network | 501(c)(3) | 2016 | $2 million | $2.2 million | 2024-06 | |
| Ridges To Riffles Indigenous Conservation Group | Environment | 501(c)(3) | 2024 | $1.7 million | $1.1 million | 2025-12 |
| Ingomar Club | 501(c)(7) | 1951 | $1.6 million | $3.1 million | 2025-09 | |
| Eureka Rescue Mission | Housing and shelter | 501(c)(3) | 1967 | $1.5 million | $5.9 million | 2024-12 |
| Boys & Girls Club of the Redwoods | 501(c)(3) | 1975 | $1.5 million | $1.8 million | 2025-12 | |
| Humboldt Lodging Alliance Inc | Community improvement and capacity building | 501(c)(6) | 2013 | $1.5 million | $4.3 million | 2025-06 |
| Transitional Residential Treatment Facilities Inc | Mental health and crisis intervention | 501(c)(3) | 1980 | $1.5 million | $711,143 | 2025-06 |
| North Coast Clinics Network | Health care | 501(c)(3) | 1995 | $1.4 million | $2.2 million | 2025-06 |
| Betty Kwan Chinn Homeless Foundation | Housing and shelter | 501(c)(3) | 2013 | $1.2 million | $2 million | 2024-12 |
| Westside Community Improvement Association | Recreation and sports | 501(c)(3) | 2011 | $1.2 million | $4.4 million | 2025-12 |
| Redwood Teen Challenge | Religion-related | 501(c)(3) | 1998 | $1.2 million | $464,028 | 2025-12 |
| Tri-County Independent Living Inc | Civil rights, social action and advocacy | 501(c)(3) | 1978 | $1.2 million | $362,447 | 2025-06 |
| Community & Employment Links | Human services | 501(c)(3) | 2015 | $1 million | $153,409 | 2025-06 |
| North Coast Substance Abuse Council Inc | Mental health and crisis intervention | 501(c)(3) | 2020 | $970,100 | $976,807 | 2026-06 |
| Breast and Gyn Health Project | Health care | 501(c)(3) | 2003 | $874,123 | $1.9 million | 2025-12 |
| Court Appointed Special Advocate of Humboldt | Civil rights, social action and advocacy | 501(c)(3) | 1997 | $861,908 | $1.9 million | 2025-06 |
| Redwood Memorial Foundation | Education | 501(c)(3) | 1946 | $838,685 | $4.4 million | 2024-12 |
| Sequoia Humane Society | Animal-related | 501(c)(3) | 1971 | $833,286 | $806,288 | 2025-12 |
| Free & Accepted Masons of California | 501(c)(10) | 1940 | $798,009 | $5.7 million | 2025-12 | |
| Humboldt Crabs Baseball Inc | 501(c)(4) | 1997 | $782,812 | $611,864 | 2025-09 | |
| Humboldt Spay Neuter Network | Animal-related | 501(c)(3) | 2004 | $772,424 | $1 million | 2025-12 |
| North Coast Health Improvement and Information Network | Health care | 501(c)(3) | 2012 | $768,632 | $1.1 million | 2025-06 |
| Ncd-North Coast Dance | Arts, culture and humanities | 501(c)(3) | 1975 | $669,508 | $425,625 | 2025-06 |
| Suu Foundation | International, foreign affairs and national security | 501(c)(3) | 2014 | $658,569 | $125,077 | 2024-12 |
| Humboldt Family Service Center | Mental health and crisis intervention | 501(c)(3) | 2021 | $657,459 | $285,009 | 2025-06 |
| Humboldt Botanical Gardens Foundation | Environment | 501(c)(3) | 1997 | $574,603 | $3.3 million | 2024-12 |
| Humboldt Area Center for Harm Reduction | Civil rights, social action and advocacy | 501(c)(3) | 2015 | $568,332 | $322,327 | 2025-06 |
| Access Humboldt | Arts, culture and humanities | 501(c)(3) | 2007 | $532,694 | $209,990 | 2024-12 |
| Humboldt Library Foundation | Education | 501(c)(3) | 1998 | $506,386 | $1.6 million | 2025-12 |
| Kingdom Stewards LLC | Religion-related | 501(c)(2) | 2021 | $500,000 | $559,988 | 2025-12 |
| Redwood Region Logging Conference | 501(c)(6) | 1963 | $447,145 | $889,716 | 2026-06 | |
| Redwood Region Entertainment and Education Liasons Inc | Human services | 501(c)(3) | 2025 | $432,169 | $161,536 | 2024-06 |
| Benevolent & Protective Order of Elks of the USA | 501(c)(8) | 1951 | $427,462 | $1.5 million | 2026-03 | |
| Humboldt Deputy Sheriffs Organization | 501(c)(5) | 1976 | $421,375 | $531,496 | 2025-12 | |
| Appropedia Foundation 2084 | Human services | 501(c)(3) | 2007 | $362,775 | $141,423 | 2025-12 |
| Forest WRX Alliance | Environment | 501(c)(3) | 2025 | $352,524 | $178,944 | 2025-12 |
| Youthability Inc | Human services | 501(c)(3) | 2007 | $352,030 | $31,751 | 2024-12 |
| Kiwanis Club of Henderson Center | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2009 | $345,218 | $385,831 | 2025-09 |
| Kidney Care Services of Humboldt Corporation | Health care | 501(c)(3) | 2017 | $335,780 | $28,094 | 2025-06 |
| Redwood Coast Music Festivals Inc | 501(c)(3) | 1993 | $304,642 | $94,599 | 2025-12 | |
| Particular Council of the Redwood RGN Society of St Vincent de Paul | Human services | 501(c)(3) | 1946 | $302,087 | $1.5 million | 2024-09 |
| NCRT Inc | Arts, culture and humanities | 501(c)(3) | 1997 | $295,000 | $194,525 | 2024-12 |
| Redwood Discovery Museum | Arts, culture and humanities | 501(c)(3) | 1995 | $283,057 | $110,571 | 2023-06 |
| Clarke Historical Museum | Arts, culture and humanities | 501(c)(3) | 1965 | $281,406 | $1 million | 2024-12 |
| Humboldt Arts Council | Arts, culture and humanities | 501(c)(3) | 1971 | $272,414 | $3.4 million | 2025-06 |
| Greater Eureka Chamber of Commerce | 501(c)(6) | 1942 | $265,852 | $333,834 | 2025-12 | |
| 2-1-1 Humboldt Information and Resource Center | Human services | 501(c)(3) | 2018 | $263,987 | $189,617 | 2025-06 |
| Humboldt Builders Exchange | 501(c)(6) | 1965 | $255,900 | $1.1 million | 2025-12 | |
| Humboldt County Farm Bureau | 501(c)(5) | 1962 | $247,133 | $1.5 million | 2025-10 | |
| Indian Action Council of Northwestern California Inc | 501(c)(3) | 1971 | $240,008 | $66,152 | 2025-09 | |
| Humboldt Masonic Temple Asso | Community improvement and capacity building | 501(c)(2) | 2019 | $224,959 | $3.3 million | 2025-12 |
| American Federation of State County & Municipal Employees | 501(c)(5) | 1957 | $223,818 | $899,132 | 2025-12 | |
| North Coast Fishermens Cable Committee | Community improvement and capacity building | 501(c)(6) | 2021 | $220,708 | $294,275 | 2025-12 |
| Triumphant Life Camp | Recreation and sports | 501(c)(3) | 1978 | $219,658 | $1.1 million | 2025-12 |
| Redwood Coast Chamber Foundation | Community improvement and capacity building | 501(c)(3) | 2024 | $216,853 | $41,960 | 2025-12 |
| Humboldt-Del Norte County Medical Society | 501(c)(6) | 1957 | $198,691 | $116,306 | 2024-12 | |
| Big Brothers Big Sisters of the North Coast Inc | Youth development | 501(c)(3) | 1976 | $188,851 | $126,688 | 2025-12 |
| Humboldt County Historical Society | Arts, culture and humanities | 501(c)(3) | 1975 | $186,671 | $330,937 | 2025-06 |
| Humboldt Made Corporation | Community improvement and capacity building | 501(c)(3) | 2025 | $183,965 | $88,593 | 2025-06 |
| Eureka Lodge No 636 Loyal Order of Moose | 501(c)(8) | 1935 | $175,152 | $637,145 | 2025-04 | |
| Sequoia FC Inc | Recreation and sports | 501(c)(3) | 2015 | $168,562 | $68,832 | 2024-12 |
| Humboldt County Convention and Visitors Bureau | 501(c)(6) | 1979 | $167,701 | $34,221 | 2025-06 | |
| Eureka Concert and Film Center | Arts, culture and humanities | 501(c)(3) | 2001 | $164,002 | $423,033 | 2025-12 |
| Eureka Concert Series | Arts, culture and humanities | 501(c)(3) | 2019 | $162,825 | $152,465 | 2025-12 |
| Lost Coast Kennel Club | Animal-related | 501(c)(7) | 2014 | $154,665 | $104,442 | 2025-12 |
| California Federation of Womens Clubs | Community improvement and capacity building | 501(c)(3) | 2018 | $153,394 | $331,048 | 2026-05 |
| Catesol | Education | 501(c)(6) | 1977 | $141,911 | $146,636 | 2025-06 |
| Northern California Tribal Court Coalition | Crime and legal-related | 501(c)(3) | 2010 | $134,088 | $92,960 | 2025-09 |
| Humboldt Youth Soccer League Inc | 501(c)(3) | 1986 | $132,802 | $121,606 | 2025-12 | |
| Founder Region Fellowship | 501(c)(3) | 1987 | $128,438 | $433,915 | 2025-06 | |
| Redwood Art Association | 501(c)(3) | 1967 | $127,428 | $482,851 | 2025-12 | |
| Main Stage | Arts, culture and humanities | 501(c)(3) | 2021 | $123,238 | $6,608 | 2024-12 |
| Timber Heritage Association | 501(c)(3) | 1977 | $117,689 | $1.2 million | 2024-12 | |
| American Federation of Labor & Congress of Industrial Orgs | Employment | 501(c)(5) | 1956 | $114,508 | $91,835 | 2024-12 |
| International Association of Fire Fighters | 501(c)(5) | 1940 | $113,730 | $125,391 | 2025-12 | |
| Soroptimist International of the Americas Inc | Crime and legal-related | 501(c)(3) | 2002 | $110,951 | $59,607 | 2025-06 |
| Humboldt Sponsors | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1971 | $107,208 | $66,805 | 2026-03 |
| Ambassadors Foundation Inc | Human services | 501(c)(3) | 2022 | $102,723 | $3.7 million | 2025-12 |
| California Cancer Crusher | Mental health and crisis intervention | 501(c)(3) | 2019 | $98,297 | $55,419 | 2024-12 |
| Humboldt Roller Derby | Recreation and sports | 501(c)(4) | 2014 | $97,303 | $202,759 | 2025-09 |
| Humboldt-Del Norte Timing Association Inc | Crime and legal-related | 501(c)(3) | 2004 | $94,341 | $75,544 | 2024-12 |
| Friends of the Redwood Libraries | 501(c)(3) | 1970 | $92,942 | $150,585 | 2026-06 | |
| Humboldt Literacy Project | Education | 501(c)(3) | 1985 | $91,739 | $59,439 | 2025-06 |
| California Fishermens Resiliency Association | Community improvement and capacity building | 501(c)(6) | 2022 | $86,782 | $1,509 | 2025-12 |
| Rotary International | 501(c)(4) | 1942 | $84,585 | $77,810 | 2025-06 | |
| Blue Ox Historic Village and School | Arts, culture and humanities | 501(c)(3) | 2014 | $83,045 | $421 | 2023-12 |
| Rotary Club of Southwest Eureka Foundation | Public and societal benefit | 501(c)(3) | 2024 | $78,412 | $34,129 | 2025-06 |
| Redwood Empire BMX | Recreation and sports | 501(c)(3) | 2014 | $76,998 | $50,308 | 2025-12 |
| Kinetic Universe | Science and technology | 501(c)(3) | 2007 | $75,276 | $32,398 | 2025-06 |
| Humboldt Dog Obedience Group | Animal-related | 501(c)(3) | 2006 | $74,709 | $66,287 | 2025-12 |
| Companion Animal Foundation | Animal-related | 501(c)(3) | 1996 | $74,045 | $193,138 | 2024-12 |
| Redwood Acres Friends of the Fair | Education | 501(c)(3) | 2015 | $71,297 | $20,849 | 2025-12 |
| Eureka High School Boosters Club Inc | 501(c)(3) | 1976 | $70,893 | $37,317 | 2026-06 | |
| Eureka Business Improvement District Association | 501(c)(6) | 1983 | $67,532 | $85,768 | 2025-06 | |
| Sees Community Fund | Medical research | 501(c)(3) | 2007 | $62,974 | $197,786 | 2025-06 |
| Openart | Arts, culture and humanities | 501(c)(3) | 2020 | $60,899 | $43,848 | 2025-12 |
| St Bernards Academy Foundation | Education | 501(c)(3) | 2018 | $56,005 | $659,421 | 2025-06 |
| National Association of Letter Carriers | 501(c)(5) | 1944 | $55,032 | $64,312 | 2025-12 | |
| Eureka 1923 Public Benefit Corporation | Community improvement and capacity building | 501(c)(3) | 2010 | $53,752 | $73,787 | 2025-06 |
| Kiwanis International Inc | 501(c)(4) | 1940 | $53,490 | $47,379 | 2025-09 | |
| Eureka Junior League Football Inc | 501(c)(3) | 1976 | $52,283 | $29,888 | 2025-12 | |
| International Longshore & Warehouse Union | 501(c)(5) | 1942 | $51,754 | $23,002 | 2024-12 | |
| Humboldt Eagles Baseball | Recreation and sports | 501(c)(3) | 2023 | $45,014 | $33,337 | 2025-12 |
| Freshwater Community Club | Education | 501(c)(3) | 2016 | $44,084 | $47,957 | 2025-06 |
| Eureka Heritage Society Incorporated | 501(c)(3) | 1974 | $43,433 | $299,283 | 2025-06 | |
| Affordable Homeless Housing Alternatives Inc | Housing and shelter | 501(c)(3) | 2016 | $43,392 | $44,996 | 2025-12 |
| Union Labor Temple Association of Humboldt & Del Norte Counties Labor Temple | 501(c)(2) | 1959 | $40,439 | $50,305 | 2025-12 | |
| Rotary International | Community improvement and capacity building | 501(c)(4) | 1966 | $35,576 | $50,699 | 2025-06 |
| Cecil Clark Trust Fbo Cecile Clark Memorial Museum 500-6521207 | Arts, culture and humanities | 501(c)(3) | 1980 | $28,314 | $466,856 | 2024-12 |
| Eureka Housing Development Corporation | Human services | 501(c)(3) | 1999 | $27,317 | $237,955 | 2025-12 |
| Friends of Redwood Coast Montessori | Education | 501(c)(3) | 2020 | $25,362 | $7,428 | 2025-06 |
| Rotary Club of Southwest Eureka | Public and societal benefit | 501(c)(4) | 2025 | $22,279 | $4,881 | 2025-06 |
| Eureka Ffa Boosters | Education | 501(c)(3) | 2013 | $17,026 | $65,472 | 2026-06 |
| Humboldt County Council On Adoptable Children Inc | 501(c)(3) | 1973 | $16,422 | $1 | 2023-08 | |
| Humboldt Autism Alliance | Human services | 501(c)(3) | 2011 | $13,836 | $14,355 | 2025-08 |
| Humboldt County Cattlemens Association | 501(c)(5) | 1970 | $12,572 | $66,047 | 2026-06 | |
| Norcal Lao Foundation | Arts, culture and humanities | 501(c)(3) | 2017 | $10,340 | $2,444 | 2025-12 |
| Abm Neuromovement Assoc Intl | Diseases, disorders and medical disciplines | 501(c)(3) | 2026 | $7,860 | $21,610 | 2025-12 |
| North Coast Small Business Resource Center | Community improvement and capacity building | 501(c)(3) | 1985 | $5,005 | $5,439 | 2025-12 |
| Black Humboldt | 501(c)(3) | 1992 | $2,483 | $206,138 | 2024-12 | |
| International Order of the Rainbow Girls | 501(c)(3) | 1972 | $1,654 | $1,879 | 2024-12 | |
| California Grand Jurors Association | 501(c)(3) | 1999 | $80 | $443 | 2023-06 | |
| Alderpoint Christian Center Assembly of God | 501(c)(3) | 1964 | ||||
| All Nations | Religion-related | 501(c)(3) | 2001 | |||
| Ambassadors Trust LLC | 501(c)(2) | 2025 | ||||
| American Association of University Women | Education | 501(c)(4) | 2010 | $0 | $0 | 2025-06 |
| American Association of Zoo Keepers | 501(c)(3) | 1992 | $0 | $0 | 2025-12 | |
| American Federation of Labor & Congress of Industrial Orgs | Employment | 501(c)(5) | 1956 | $0 | $0 | 2023-12 |
| American Legion | 501(c)(19) | 1934 | $0 | $0 | 2026-06 | |
| American Postal Workers Union Local 1056 | Employment | 501(c)(5) | 1973 | $0 | $0 | 2025-12 |
| American Rhododendron Society | 501(c)(3) | 1974 | $0 | $0 | 2026-08 | |
| American Rose Society | 501(c)(3) | 1983 | $0 | $0 | 2025-12 | |
| Arcata Vineyard Christian Community | Religion-related | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Ascoltando Inc | Arts, culture and humanities | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Association of Gospel Outreach Churches | Religion-related | 501(c)(3) | 2008 | |||
| B U D S of the Redwoods | Diseases, disorders and medical disciplines | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Bahais of Ferndale | 501(c)(3) | 1995 | ||||
| Beacon of Faith Ministries Full Gospel Church | Religion-related | 501(c)(3) | 2012 | |||
| Beasts Youth Athletics | Youth development | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Believers Music International Inc | Religion-related | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Bethel Church | 501(c)(3) | 1964 | ||||
| Building Bridges To Family Recovery Inc | Mental health and crisis intervention | 501(c)(3) | 2025 | |||
| Butler Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1997 | $197,365 | 2025-12 | |
| California Math Council To the Far North | Education | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| California Physical Therapy Association | 501(c)(6) | 1975 | ||||
| California Retired Teachers Association | 501(c)(4) | 1972 | $0 | $0 | 2025-06 | |
| California State Grange | 501(c)(8) | 1951 | $0 | $0 | 2025-12 | |
| California Teachers Association | 501(c)(5) | 1976 | $0 | $0 | 2025-08 | |
| California Teachers Association | 501(c)(5) | 1976 | $0 | $0 | 2025-08 | |
| Calvary Chapel Eureka Inc | Religion-related | 501(c)(3) | 2007 | |||
| Calvary Christian Center Assembly of God | 501(c)(3) | 1964 | ||||
| Calvary Lutheran Church | 501(c)(3) | 1988 | ||||
| Carson Mansion Heritage Foundation | Arts, culture and humanities | 501(c)(3) | 2024 | $592,673 | 2025-12 | |
| Celebration Ministry of the Redwood | Religion-related | 501(c)(3) | 2004 | |||
| Centerpointe Community Church | 501(c)(3) | 2019 | ||||
| Child Abuse Prevention Coordinating Council of Humboldt County | Crime and legal-related | 501(c)(3) | 2007 | $0 | $0 | 2025-06 |
| Chopp Academy Ca Inc | Recreation and sports | 501(c)(3) | 2025 | |||
| Christine & Jalmer Berg Foundation | 501(c)(3) | 1992 | $13.6 million | 2025-12 | ||
| Congregation Temple Beth-El of Humboldt County | Religion-related | 501(c)(3) | 2020 | |||
| Cryptic Masons of California | 501(c)(8) | 1972 | $0 | $0 | 2026-02 | |
| Cutten Community Church of the Assemblies of God | 501(c)(3) | 1964 | ||||
| Cutten-Ridgewood Student Foundation | Education | 501(c)(3) | 1995 | $0 | $0 | 2025-12 |
| Damascus Street Chapel | Religion-related | 501(c)(3) | 2013 | |||
| Delta Zeta Sorority | 501(c)(7) | 1967 | $0 | $0 | 2025-06 | |
| Elks Northwest District Inc | 501(c)(10) | 1988 | $0 | $0 | 2024-12 | |
| Eureka 101 Chapter E Clampus Vitus | Arts, culture and humanities | 501(c)(4) | 2023 | $0 | $0 | 2025-06 |
| Eureka Center for Spiritual | Religion-related | 501(c)(3) | 2014 | |||
| Eureka Faith Walk Fellowship | Religion-related | 501(c)(3) | 2026 | |||
| Eureka Foursquare Church | 501(c)(3) | 1949 | 2013-12 | |||
| Eureka High School Music Boosters Inc | Education | 501(c)(3) | 2015 | $0 | $0 | 2025-06 |
| Eureka Sequoia Garden Club | 501(c)(5) | 1977 | $0 | $0 | 2025-06 | |
| Eureka Sisters | Education | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| FWMC Incorporated | Recreation and sports | 501(c)(7) | 2023 | $0 | $0 | 2023-12 |
| First Baptist Church | 501(c)(3) | 1955 | 2004-12 | |||
| First Covenant Church Eureka Ca | 501(c)(3) | 1975 | ||||
| Fishermens Marketing Association Incorporated | 501(c)(5) | 1989 | $0 | $0 | 2025-12 | |
| Fram Building Association Inc | Community improvement and capacity building | 501(c)(2) | 2018 | $0 | $0 | 2025-12 |
| French Society of Arts and Culture Nouveaux | Arts, culture and humanities | 501(c)(3) | 2025 | |||
| Freshwater Educational Foundation | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| Friends for Life Canine Rescue Inc | Animal-related | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| Full Gospel Tabernacle Upc | 501(c)(3) | 1958 | ||||
| Gator Wrestling | Recreation and sports | 501(c)(3) | 2024 | |||
| Global Mission Connection | Religion-related | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Go Electric | Public and societal benefit | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Gospel Outreach Church | Religion-related | 501(c)(3) | 2008 | 2013-12 | ||
| Grand Lodge of Dania of California & Nevada | 501(c)(8) | 1972 | $0 | $0 | 2025-12 | |
| Hcso Swat Association Incorporated | Public safety, disaster preparedness and relief | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Healthy Firefighters USA Inc | Health care | 501(c)(3) | 1998 | $1 | 2025-12 | |
| Heavenly Essence Qigong Institute Inc | Arts, culture and humanities | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Humboldt Aero Modelers | Recreation and sports | 501(c)(7) | 2012 | $0 | $0 | 2025-12 |
| Humboldt Amateur Radio Club Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2021 | $0 | $0 | 2025-08 |
| Humboldt Association of Realtors Inc | 501(c)(6) | 1975 | ||||
| Humboldt Bay Development Association Inc | Community improvement and capacity building | 501(c)(3) | 2016 | $0 | $294 | 2025-06 |
| Humboldt Bay Pickleball Club | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Humboldt Builders Exchange Community Fund Inc | Education | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Humboldt Cert Coalition | Public safety, disaster preparedness and relief | 501(c)(3) | 2023 | $0 | $0 | 2026-06 |
| Humboldt Children and Families Foun Dation | Human services | 501(c)(3) | 2026 | |||
| Humboldt Counseling Connection | Mental health and crisis intervention | 501(c)(3) | 2025 | |||
| Humboldt County Bar Association | Community improvement and capacity building | 501(c)(6) | 2024 | $0 | $0 | 2025-12 |
| Humboldt County Fire Chiefs Association | Public safety, disaster preparedness and relief | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| Humboldt County Public Property Leasing Corp | Public and societal benefit | 501(c)(3) | 2023 | $0 | $1 | 2025-06 |
| Humboldt County Sheriffs Posse Inc | 501(c)(4) | 1985 | $0 | $0 | 2025-12 | |
| Humboldt Countyprescribed Burn Association | Environment | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Humboldt Dash & Splash | Animal-related | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Humboldt Del Norte Dental Society | 501(c)(6) | 1995 | $0 | $0 | 2026-05 | |
| Humboldt Domestic Violence Services | Human services | 501(c)(3) | 1977 | $0 | $798,022 | 2025-09 |
| Humboldt Eye Foundation | Diseases, disorders and medical disciplines | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| Humboldt Fogg Softball | Recreation and sports | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Humboldt Foster Care Resource Center | Human services | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| Humboldt Gem & Mineral Society | Science and technology | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Humboldt Hen Helper Inc | Food, agriculture and nutrition | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Humboldt Music Archive | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Humboldt Poultry Fanciers Association | Animal-related | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Humboldt Redwood Cursillo | Religion-related | 501(c)(3) | 2015 | $0 | $0 | 2025-06 |
| Humboldt Resilience Inc | Youth development | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Humboldt Trails Council | Community improvement and capacity building | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Humboldt Yacht Club Inc | Recreation and sports | 501(c)(7) | 2012 | $0 | $0 | 2025-12 |
| Iglesia Restauracion Ebenezer Eureka | 501(c)(3) | 2011 | ||||
| Immanuel Lutheran Church of Eureka California | 501(c)(3) | 1988 | ||||
| Institute of Management Accountants Inc | 501(c)(3) | 1974 | $0 | $0 | 2026-06 | |
| Italian Catholic Federation of California Inc | 501(c)(8) | 1972 | $0 | $0 | 2025-12 | |
| Jahmed | Health care | 501(c)(3) | 2011 | $0 | $0 | 2026-06 |
| Jesus Name Apostolic Church of Eureka | 501(c)(3) | 1973 | ||||
| Jimmie Angel Historical Project | Arts, culture and humanities | 501(c)(3) | 1997 | $0 | $0 | 2025-12 |
| Karl B Wenninger Memorial Scholarship Fund Inc | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Knights Templar of the United States of America | 501(c)(10) | 1964 | $0 | $0 | 2025-12 | |
| Land Bridge Alliance | Human services | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Latin Mass Society of the North Coast | Religion-related | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| League of Women Voters of Humboldt County | 501(c)(4) | 1982 | $0 | $0 | 2025-06 | |
| Life Church International Outreach Inc | 501(c)(3) | 1985 | ||||
| Living Christian Assembly of God | 501(c)(3) | 1964 | ||||
| Lost Soles Horse Rescue | Animal-related | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Lost Soles Horse Rescue Riders | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Lsil-1091 Museum Assocation | Arts, culture and humanities | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Lup Sanctuary and Rescue | Animal-related | 501(c)(3) | 2024 | |||
| Luso-American Financial A Fraternal Benefit Society | 501(c)(8) | 1972 | $0 | $0 | 2024-12 | |
| Marine Corps League | 501(c)(4) | 1946 | $0 | $0 | 2025-06 | |
| Mary Esther Resource Foundation | Human services | 501(c)(3) | 2017 | $0 | $0 | 2026-06 |
| Nami Humboldt | Mental health and crisis intervention | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Narrow Gate Assembly | Human services | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| National Society of the Daughters of the American Revolution | 501(c)(3) | 1949 | $0 | $0 | 2026-05 | |
| Native Sons of the Golden West Parl Or 14 | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Navy League of the United States National Headquarters | 501(c)(3) | 1991 | $0 | $0 | 2025-12 | |
| New Life Temple Church | 501(c)(3) | 1964 | ||||
| Norcal Saltwater Anglers | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2026-06 |
| North American Coastal Access Allia Nce | Environment | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| North Coast Association of Mental H Ealth Professionals | 501(c)(6) | 1995 | $0 | $0 | 2024-12 | |
| North Coast Home Builders Assoc | 501(c)(6) | 1995 | $0 | $6,697 | 2024-12 | |
| North Coast Learning Academy Psto | Education | 501(c)(3) | 2024 | |||
| North Coast Ministries | 501(c)(3) | 1994 | ||||
| North Coast Recreation Coalition | Recreation and sports | 501(c)(3) | 2020 | $0 | $0 | 2023-12 |
| North Coast Scottish Society Inc | Arts, culture and humanities | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Northcoast Lions Eye Foundation | 501(c)(3) | 1986 | $0 | $0 | 2025-12 | |
| Northern California Horsemens Association | 501(c)(7) | 1982 | $0 | $0 | 2025-12 | |
| Northern California Veterans Assistance Org | Public and societal benefit | 501(c)(3) | 2009 | |||
| Northern Knights Youth Football | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Order of the Amaranth Inc | 501(c)(8) | 1940 | $0 | $0 | 2025-02 | |
| Pacific Outfitters Green Team | Environment | 501(c)(3) | 2015 | $31,971 | 2025-12 | |
| Paradise Church of the Brethren | 501(c)(3) | 1962 | ||||
| Pastor of Sacred Heart Catholic Church of Eureka A Corporation Sol | 501(c)(3) | 1946 | ||||
| Pastor of St Bernard Catholic Church of Eureka A Corporation Sol | 501(c)(3) | 1946 | ||||
| Pathways of Purpose | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Patricks Foundation | Human services | 501(c)(3) | 2025 | |||
| Peoples Network for Land and Libera Tion | Environment | 501(c)(3) | 2026 | |||
| Play Street Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 | |
| Pottery Foundation | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Primera Asamblea de Dios | 501(c)(3) | 1964 | ||||
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1943 | $0 | $0 | 2025-06 | |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1943 | $0 | $0 | 2025-06 | |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1943 | $0 | $0 | 2026-06 | |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1943 | $0 | $0 | 2024-06 | |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1967 | $0 | $0 | 2025-06 | |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1943 | $0 | $0 | 2026-06 | |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1967 | $0 | $0 | 2025-06 | |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1967 | $0 | $0 | 2025-06 | |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1967 | $0 | $0 | 2025-06 | |
| Redwood Agricultural Education Foundation | Food, agriculture and nutrition | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Redwood Christian Center | 501(c)(3) | 1972 | ||||
| Redwood Coast Gymnastics Booster Club Inc | Education | 501(c)(3) | 2019 | $0 | $0 | 2025-06 |
| Redwood Empire Quilters Guild | 501(c)(4) | 1990 | $0 | $0 | 2026-07 | |
| Redwood Empire Sports Foundation | Recreation and sports | 501(c)(3) | 2026 | |||
| Redwood Family Camp | Community improvement and capacity building | 501(c)(3) | 2025 | |||
| Redwood Region Audubon Society Inc | 501(c)(3) | 1971 | $0 | $0 | 2025-06 | |
| Redwood Sports Car Club | Recreation and sports | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Redwood Swim Club | 501(c)(3) | 1980 | ||||
| Redwood Youth Business Alliance | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Road Runners Club of America Inc | 501(c)(3) | 1976 | $0 | $0 | 2025-12 | |
| Royal Arch Masons of California | 501(c)(8) | 1972 | $0 | $0 | 2025-12 | |
| Salmon Forever | Environment | 501(c)(3) | 1997 | $0 | $0 | 2023-12 |
| Sequoia Bible Church | 501(c)(3) | 1964 | ||||
| Six Rivers Youth Football Conference Inc | Recreation and sports | 501(c)(3) | 2010 | $0 | $0 | 2025-01 |
| Sons of Italy in America | 501(c)(8) | 1941 | $0 | $0 | 2025-12 | |
| Sons of Norway | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| Soroptimist International of the Americas Inc | Crime and legal-related | 501(c)(3) | 2002 | $0 | $0 | 2025-06 |
| Special Education Equity Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $0 | $0 | 2025-07 |
| Spiritual Assembly of the Bahais of Eureka | 501(c)(3) | 1995 | ||||
| Spiritual Assembly of the Bahais of Humboldt County Central | 501(c)(3) | 1995 | ||||
| Spoken Word International Ministries | Religion-related | 501(c)(3) | 1998 | |||
| St Bernards Alumni Association | Education | 501(c)(3) | 2000 | $0 | $0 | 2024-12 |
| St Innocent Orthodox Church of Eureka | Religion-related | 501(c)(3) | 1972 | |||
| St Joseph Hospital Eureka | 501(c)(3) | 1946 | ||||
| St Joseph Hospital Eureka | 501(c)(3) | 1946 | ||||
| St Joseph Hospital Eureka | 501(c)(3) | 1946 | ||||
| St Joseph Hospital Eureka | 501(c)(3) | 1946 | ||||
| Supreme Emblem Club of the United States of America Inc | Community improvement and capacity building | 501(c)(10) | 1949 | $0 | $0 | 2025-12 |
| The Gathering at Eureka | 501(c)(3) | 1981 | ||||
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Tops Club Inc | Health care | 501(c)(3) | 2008 | $0 | $0 | 2026-03 |
| Town Church Inc | 501(c)(3) | 2019 | ||||
| United Bikers of Northern California Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| United Congregational Christian Church | 501(c)(3) | 1951 | ||||
| United States Bowling Congress Inc | Recreation and sports | 501(c)(3) | 2004 | $0 | $0 | 2025-07 |
| Unity Church of the Redwoods | 501(c)(3) | 1970 | ||||
| Veterans Transition Training Alliance | Public and societal benefit | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Veterans and Beyond Food Pantries I NC | Food, agriculture and nutrition | 501(c)(3) | 2026 | |||
| Veterans of Foreign Wars Department of California | 501(c)(19) | 1958 | $0 | $0 | 2025-06 | |
| WM Clawson Enterprises Inc | Arts, culture and humanities | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| William E Madsen and Sandra J Madsen Foundation | 501(c)(3) | 2014 | $200 | 2025-12 | ||
| With Open Arms Center for Reproductive Choices Inc | Health care | 501(c)(3) | 2025 | $0 | $1 | 2024-12 |
| Woodland Way Road Maintenance Association | Housing and shelter | 501(c)(4) | 2011 | $0 | $0 | 2025-12 |
| Zane Music Booster Club | Human services | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Zero Waste Humboldt | Environment | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
By cause in Eureka, CA
- Education 27
- Arts, culture and humanities 26
- Human services 22
- Recreation and sports 21
- Religion-related 19
- Community improvement and capacity building 17
- Animal-related 12
- Mental health and crisis intervention 10
- Health care 9
- Environment 9
- Philanthropy, voluntarism and grantmaking foundations 6
- Public and societal benefit 6
- Crime and legal-related 5
- Food, agriculture and nutrition 4
- Housing and shelter 4
- Diseases, disorders and medical disciplines 4
- Public safety, disaster preparedness and relief 4
- Employment 3
- Civil rights, social action and advocacy 3
- Youth development 3
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.