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
- Operation Silver Star
EIN 451608859 · Headquarters: Menifee, CA, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Operation Snow Leopard Afghanistan
EIN 810851412 · Headquarters: Los Angeles, CA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Operation Soulwinner Childrens Network of Hope
EIN 731727947 · Headquarters: BAKERSFIELD, CA, US · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Operation Street Kidz
EIN 542194481 · Headquarters: LOS ANGELES, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Operation Surf
EIN 263661313 · Headquarters: SAN LUIS OBISPO, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operation Tango Mike
EIN 455639109 · Headquarters: KELSEYVILLE, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Operation Tooth Fairy
EIN 203097361 · Headquarters: SAN RAFAEL, CA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2020 · Primary form: IRS Form 990
- Operation Top Hat
EIN 300288198 · Headquarters: San Carlos, CA, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Operation Touchdown Inc
EIN 954761839 · Headquarters: Lynwood, CA, US · Youth Development · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Operation Trades Alliance
EIN 413074902 · Headquarters: MERCED, CA, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Operation Troop Outreach
EIN 473783599 · Headquarters: LODI, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Operation Unity
EIN 954393101 · Headquarters: Venice, CA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Operation Uplife
EIN 990689566 · Headquarters: Fresno, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Vet Shield
EIN 994848234 · Headquarters: Pine Valley, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Walk of Los Angeles Inc
EIN 822410627 · Headquarters: TORRANCE, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operation Warm Wishes
EIN 475508965 · Headquarters: Tustin, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operation Webs Women Empowered Build Strong
EIN 830935231 · Headquarters: Orcutt, CA, US · Housing & Shelter · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Operation Windmill International Inc
EIN 203576138 · Headquarters: Riversdie, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Operation with Love from Home
EIN 473711788 · Headquarters: NAPA, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Operation Wonderdog
EIN 931518224 · Headquarters: Thousand Oaks, CA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Work Warriors
EIN 455071278 · Headquarters: San Carlos, CA, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Operation Youth Educational Service
EIN 237437465 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- Operation Zero Homeless
EIN 863211591 · Headquarters: San Jose, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation-365
EIN 300878476 · Headquarters: Canoga Park, CA, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Operational Sciences Institute
EIN 843029953 · Headquarters: SAN MARINO, CA, USA · Science & Technology · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Operationeconomics International
EIN 851265454 · Headquarters: San Marcos, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Operationfriendshipusa1 Inc
EIN 831720077 · Headquarters: Fresno, CA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- OperationLoveMinistriesInc
EIN 470953408 · Headquarters: N HOLLYWOOD, CA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Operations Group Ball Association OGBA
EIN 831880565 · Headquarters: Fort Irwin, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-PF
- Operative Plasterers & Cement
EIN 950613085 · Headquarters: BELL GARDENS, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Operative Plasterers & Cement Masons Local No 755
EIN 951059370 · Headquarters: Sherman Oaks, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operative Plasterers Local Union No 66 Jatc
EIN 942710150 · Headquarters: SOUTH SAN FRANCISCO, CA, USA · Employment · Latest available filing year: 2013 · Primary form: IRS Form 990
- Operative Plasterers' & Cement Masons Int'l Assn of USA & Canada Local No 5
EIN 330681938 · Headquarters: CORONA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operative Plasterersx and Cement Masons' Int'l Assc Lo Un No 200
EIN 954551243 · Headquarters: POMONA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operator Mindfulness and Mobility
EIN 471219998 · Headquarters: Chula Vista, CA, USA · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- Operaworks Inc
EIN 592884120 · Headquarters: Granada Hills, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Operetta Foundation
EIN 050610725 · Headquarters: BEVERLY HILLS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Ophelia Riego Non Profit for Health
EIN 883588643 · Headquarters: CARMICHAEL, CA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ophelias Jump Productions a California Public Bene
EIN 462581112 · Headquarters: CLAREMONT, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ophir Elementary Parent Teacher Organization
EIN 260831655 · Headquarters: Oroville, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ophir Hill Volunteer Firefighters Association
EIN 680101334 · Headquarters: Cedar Ridge, CA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Ophir Parent Teacher Club
EIN 831866300 · Headquarters: Newcastle, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Ophir Steam Academy Parent Teacher Club
EIN 332762750 · Headquarters: Newcastle Ca, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ophoenix Public Benefit Corporation
EIN 202761771 · Headquarters: NOVATO, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ophthalmology Foundation
EIN 852967452 · Headquarters: SAN FRANCISCO, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opica Adult Day Program & Counseling Center
EIN 953493725 · Headquarters: LOS ANGELES, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opinion Two Nonprofit Organization Inc
EIN 933259550 · Headquarters: VISTA, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opoa Foundation
EIN 333295221 · Headquarters: LEMON GROVE, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- OPOA Retention Benefit Plan
EIN 943038681 · Headquarters: Oakland, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oportunidades Nuevas
EIN 934202834 · Headquarters: Los Angeles, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Opossum Society of California Inc
EIN 330310580 · Headquarters: YUCAIPA, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oppenheimer Family Foundation C/o H Oppenheimer
EIN 366054015 · Headquarters: OJAI, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Oppia Foundation Inc
EIN 811740068 · Headquarters: Sacramento, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Opportunities Across Africa
EIN 464152124 · Headquarters: San Diego, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Opportunities and Hope Foundation
EIN 993950034 · Headquarters: Westlake Village, CA, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opportunities for African Kids
EIN 455485255 · Headquarters: Napa, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Opportunities for Change OFC
EIN 994847008 · Headquarters: Santa Clara, CA, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990
- Opportunities for Kids
EIN 912104069 · Headquarters: Fallbrook, CA, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Opportunities For Learning | San Juan Capistrano
EIN 833695152 · Headquarters: San Juan Capistrano, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opportunities For Learning | William S. Hart
EIN 833736184 · Headquarters: PASADENA, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opportunities for Orphans
EIN 352344433 · Headquarters: Irvine, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opportunities for Success
EIN 932099010 · Headquarters: Los Angeles, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Opportunities for Training Pediatric Therapists
EIN 770558854 · Headquarters: LOMPOC, CA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Opportunities for Understanding Community Healing Ouch Inc
EIN 542187400 · Headquarters: Elk Grove, CA, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Opportunities For Youth
EIN 852827777 · Headquarters: Long Beach, CA, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- Opportunities in Healthcare for Los Angeles Youth Inc
EIN 461436245 · Headquarters: Temple City, CA, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Opportunities Team
EIN 161629304 · Headquarters: North Hills, CA, US · Human Services · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Opportunity Aquatics Foundation
EIN 990986099 · Headquarters: Vacaville, CA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Opportunity Assistance & Socially
EIN 611467658 · Headquarters: Fresno, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ
- Opportunity Athletics
EIN 394617243 · Headquarters: encinitas, CA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opportunity Builders a Not for Profit Development
EIN 770381783 · Headquarters: OAKDALE, CA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opportunity Camp
EIN 271415460 · Headquarters: ANTIOCH, CA, USA · Youth Development · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Opportunity Center Hdc Inc
EIN 542090590 · Headquarters: FREMONT, CA, USA · Housing & Shelter · Latest available filing year: 2023 · Primary form: IRS Form 990
- Opportunity Change Community Service Inc
EIN 883884839 · Headquarters: Los Angeles, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opportunity Cost Exchange
EIN 263591662 · Headquarters: Murrieta, CA, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Opportunity Exposed Inc
EIN 832922492 · Headquarters: Woodland Hills, CA, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Opportunity for All Coalition
EIN 844965287 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990
- Opportunity for Change Unlimited
EIN 954411191 · Headquarters: Agoura, CA, US · Employment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Opportunity for Every Californian
EIN 413186281 · Headquarters: San Rafael, CA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opportunity for Independence Inc
EIN 680256574 · Headquarters: SAN RAFAEL, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opportunity for the Poor
EIN 800721082 · Headquarters: Anaheim, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Opportunity Foundation of Sonoma County
EIN 851171751 · Headquarters: SANTA ROSA, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Opportunity House Inc
EIN 953374642 · Headquarters: PACOIMA, CA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Opportunity Initiatives Foundation
EIN 873176309 · Headquarters: SAN FRANCISCO, CA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Opportunity Junction Inc
EIN 680459131 · Headquarters: ANTIOCH, CA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opportunity Knowledge for Kids
EIN 383707169 · Headquarters: Fresno, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Opportunity Matters to Everyone
EIN 473813915 · Headquarters: Costa Mesa, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opportunity Now Silicon Valley
EIN 834054286 · Headquarters: San Jose, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Opportunity Oasis
EIN 923644990 · Headquarters: SAN JOSE, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Opportunity Orchard Inc
EIN 392306125 · Headquarters: OAKLAND, CA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opportunity Partners Inc
EIN 943119463 · Headquarters: San Jose, CA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opportunity Plus Inc
EIN 943149482 · Headquarters: BERKELEY, CA, USA · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990
- Opportunity Program
EIN 330909475 · Headquarters: LONG BEACH, CA, USA · Education · Latest available filing year: 2019 · Primary form: IRS Form 990
- Opportunity Shop Inc
EIN 452413732 · Headquarters: ENCINO, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Opportunity Through Education Inc
EIN 270023048 · Headquarters: Selma, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opportunity Trade School
EIN 953434559 · Headquarters: Lincoln, CA, USA · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-PF
- Opportunity Unlimited
EIN 455574732 · Headquarters: San Francisco, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opportunity X
EIN 815038840 · Headquarters: Saratoga, CA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opportunity27 Kes Inc
EIN 821258457 · Headquarters: SAN DIEGO, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Opposing IKEs Misleading Referendum Sponsored By
EIN 921867659 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ