Nonprofits in California
Nonprofits in California. Browse 229,931 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- Olasteo Inc
EIN 831322721 · Headquarters: LOS ANGELES, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Olave Family Foundation Inc
EIN 883071456 · Headquarters: SAN DIEGO, CA, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Olcp Ministries
EIN 450523488 · Headquarters: Union City, CA, US · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Old Adobe Elementary School Pto
EIN 943149009 · Headquarters: PETALUMA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Old Adobe Preschool
EIN 942864623 · Headquarters: SONOMA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Old Agoura Valley Homeowners Association
EIN 953898243 · Headquarters: Agoura Hills, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Antarctic Explorers Association Inc
EIN 593675775 · Headquarters: Yorba Linda, CA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Old Barn Road Maintenance Association
EIN 992964879 · Headquarters: HEALDSBURG, CA, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Old Blue Inc
EIN 352799822 · Headquarters: Manhattan Beach, CA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Blues Rugby Football Foundation
EIN 942951498 · Headquarters: Oakland, CA, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Old Boney Mountain Foundation for Kids
EIN 833598703 · Headquarters: Westlake Village, CA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Old Borego Historical Society
EIN 330546193 · Headquarters: San Diego, CA, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Old Borego Pioneer Society Inc
EIN 461020097 · Headquarters: Borrego Springs, CA, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Old Broads Dive Club Inc
EIN 204030394 · Headquarters: LAGUNA HILLS, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Capital Club
EIN 941310194 · Headquarters: Monterey, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Old Catholic & Traditional Church
EIN 954831331 · Headquarters: Huntington Park, CA, USA · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990
- Old Catholic Order of Holy Wisdom
EIN 273803155 · Headquarters: Berkeley, CA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Old City Cemetery Committee Inc
EIN 061674455 · Headquarters: SACRAMENTO, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Old Courthouse Museum Society
EIN 953622791 · Headquarters: Santa Ana, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Dogs New Tricks Inc
EIN 270766885 · Headquarters: CARMICHAEL, CA, US · Animal Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Old Dolls Homes Inc
EIN 352814873 · Headquarters: Graton, CA, US · Housing & Shelter · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Old Downtown Windsor Business Improvement District
EIN 201476259 · Headquarters: Windsor, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Old Edwardians Alumni Association - West Coast
EIN 993060647 · Headquarters: Rancho Cucamonga, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old English Sheepdog League of Northern California
EIN 237269078 · Headquarters: Santa Rosa, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Old English Sheepdog Rescue of Southern California Inc
EIN 770324522 · Headquarters: SANTA MONICA, CA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- Old Escondido Neighborhood Group
EIN 330305440 · Headquarters: Escondido, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Old Farm 4-H Club
EIN 562354280 · Headquarters: Bakersfield, CA, US · Youth Development · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Old Fashioned Revival Hour
EIN 954770796 · Headquarters: Pasadena, CA, US · Religion Related · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Old First Concerts
EIN 942898233 · Headquarters: San Francisco, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Old Fishermans Club
EIN 941065467 · Headquarters: MODESTO, CA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990
- Old Friends Animal Shelter and Education Center Inc
EIN 263855461 · Headquarters: PALMDALE, CA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Old Globe Endowment Trust Xxx-xx-xxxx
EIN 336125358 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Granada Hills Residents Group
EIN 010620999 · Headquarters: GRANADA HILLS, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Old Greenwood Community Foundation
EIN 200340022 · Headquarters: TRUCKEE, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Guard Foundation Inc
EIN 272283723 · Headquarters: REPRESA, CA, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Old Joes Association of California
EIN 330464545 · Headquarters: ALTADENA, CA, US · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Old Joes Association of California Foundation
EIN 330658388 · Headquarters: Santa Clarita, CA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Las Palmas Neighborhood Organization
EIN 204362383 · Headquarters: Palm Springs, CA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Old Mill Elementary Pta
EIN 946173276 · Headquarters: MILL VALLEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Old Mill Foundation
EIN 954549517 · Headquarters: SAN MARINO, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Miners Association
EIN 953247360 · Headquarters: Big Bear City, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990
- Old Mission Beach Athletic Club
EIN 953031579 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Mission Grammar School Parents Club
EIN 953679419 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Mission Rotary Club Foundation Co Stanley Vogelsang
EIN 330589382 · Headquarters: EL CAJON, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Old Mission Rotary Club Inc
EIN 956093572 · Headquarters: El Cajon, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Old Mission San Luis Rey Historic Foundation Inc
EIN 208266652 · Headquarters: Oceanside, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Old Monterey Business Association
EIN 770097315 · Headquarters: MONTEREY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Monterey Foundation
EIN 451343649 · Headquarters: Monterey, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Mountain View Neighborhood Association
EIN 770637812 · Headquarters: Mountain View, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old North Sac Partnership
EIN 204178545 · Headquarters: SACRAMENTO, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Old Oak Ranch Recovery
EIN 851413804 · Headquarters: Sonora, CA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Oakland Housing Development Corporation
EIN 943249008 · Headquarters: OAKLAND, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Old Orchard 2 Sharks Swim Team
EIN 991893542 · Headquarters: SANTA CLARITA, CA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Old Orchard Conservancy
EIN 460886849 · Headquarters: Santa Ana, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Old Orchard Pto
EIN 204891373 · Headquarters: VALENCIA, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Old Orchard Service League
EIN 770496308 · Headquarters: CAMPBELL, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Orcutt Merchants Association
EIN 900602344 · Headquarters: ORCUTT, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Old Pasadena Management District
EIN 954548760 · Headquarters: PASADENA, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Pros
EIN 830406456 · Headquarters: Laguna Hills, CA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Old Pros of Laguna Woods Village
EIN 465502755 · Headquarters: LAGUNA HILLS, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Quad Residents Association
EIN 473683913 · Headquarters: Santa Clara, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old River Parent Teacher Club
EIN 264594396 · Headquarters: Brentwood, CA, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Old River School PTA
EIN 954653803 · Headquarters: Downey, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Old River Youth Foundation
EIN 821694276 · Headquarters: DOWNEY, CA, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Old Riverside Foundation
EIN 953407036 · Headquarters: Riverside, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Old Road Ranch Lot 3 Owners Association Inc
EIN 850470235 · Headquarters: Temecula, CA, US · Food, Agriculture & Nutrition · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Old Sacramento Schoolhouse Museum Inc
EIN 680265667 · Headquarters: Carmichael, CA, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Old Sacramento Waterfront
EIN 200623242 · Headquarters: Sacramento, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ
- Old Santa Rosa Chapel & Cemetary Committee
EIN 912151517 · Headquarters: CAMBRIA, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old School Roundup Inc
EIN 863932958 · Headquarters: Indian Wells, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old School Wrestling Academy
EIN 844948675 · Headquarters: Mission Viejo, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Skool 66 Cruzers Inc
EIN 260721945 · Headquarters: Phelan, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Skool Cafe
EIN 203913900 · Headquarters: San Francisco, CA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Spanish Days in Santa Barbara Inc
EIN 951541669 · Headquarters: SANTA BARBARA, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990
- Old Spanish Trail Association
EIN 342059053 · Headquarters: Venice, CA, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Old Station Volunteer Fire Co Inc
EIN 371470108 · Headquarters: Old Station, CA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Stories New Lives
EIN 954754817 · Headquarters: LOS ANGELES, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Old Sunday Stumblers Soccer League Inc
EIN 822599268 · Headquarters: Livermore, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Timers Club Troop 121
EIN 465281897 · Headquarters: Pasadena, CA, US · Youth Development · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Old Timers Fire Fighters Inc
EIN 942761178 · Headquarters: Corning, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Old Timers Museum Inc
EIN 942256123 · Headquarters: Murphys, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Town Academy
EIN 274362839 · Headquarters: San Diego, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Town Academy Parent Foundation
EIN 475222952 · Headquarters: San Diego, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Town Art Gallery Inc
EIN 680345286 · Headquarters: Eureka, CA, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Old Town Artisan Studio Inc
EIN 264437263 · Headquarters: LA QUINTA, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Town Atwater
EIN 842315073 · Headquarters: ATWATER, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Town Auburn Preservation Society
EIN 753107505 · Headquarters: Auburn, CA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Old Town Chamber of Commerce
EIN 956099551 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Town Clovis Kiwanis Foundation K16030
EIN 912066789 · Headquarters: CLOVIS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Old Town Elk Grove Foundation
EIN 202739439 · Headquarters: ELK GROVE, CA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Old Town La Puente Association
EIN 825508682 · Headquarters: LA PUENTE, CA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Old Town La Verne Business Association
EIN 300956418 · Headquarters: La Verne, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Old Town Monrovia Business Association
EIN 811055555 · Headquarters: Monrovia, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Old Town Music Hall Inc
EIN 954346182 · Headquarters: El Segundo, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Town Newhall Association
EIN 260047801 · Headquarters: Newhall, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Old Town Orcutt Revitalization Association
EIN 470932205 · Headquarters: ORCUTT, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Old Town Pittsburg Business District Association
EIN 455458951 · Headquarters: Pittsburg, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Old Town Portola Event Center
EIN 823338783 · Headquarters: CLIO, CA, USA · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- Old Town San Diego Foundation
EIN 464226480 · Headquarters: Carlsbad, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Old Town Temecula Association
EIN 270228922 · Headquarters: Temecula, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N