Philanthropy, Voluntarism & Grantmaking Foundations nonprofits in California
Philanthropy, Voluntarism & Grantmaking Foundations nonprofits in California. Browse 14,131 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
- Oak Tree Charitable Foundation
EIN 954506950 · Headquarters: ARCADIA, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Oak Tree Family Foundation
EIN 900760459 · Headquarters: EL CAJON, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- Oak View Civic Council
EIN 956071619 · Headquarters: Oak View, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Oakland Community Fund
EIN 943044612 · Headquarters: Oakland, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Oakland Rotary Endowment
EIN 942434641 · Headquarters: OAKLAND, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oaklandalameda Countyemeryville Firefighters Charity Fund
EIN 912164137 · Headquarters: OAKLAND, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oakluv Foundation
EIN 464957931 · Headquarters: Lafayette, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oakmont Family Fund
EIN 472165512 · Headquarters: WINDSOR, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- Oarsmen Foundation
EIN 330754362 · Headquarters: TORRANCE, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Oath to Country Foundation
EIN 850607699 · Headquarters: Covina, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oatha & Una Lucky Scholarship Fund
EIN 686121297 · Headquarters: LAKEPORT, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Obaboa Foundation
EIN 367415543 · Headquarters: Fort Bragg, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Oberfeld Charitable Foundation Inc
EIN 201161425 · Headquarters: BEVERLY HILLS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Obioma Onyeador Foundation Inc
EIN 800954134 · Headquarters: CARSON, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oc Girls Community Outreach
EIN 333092060 · Headquarters: Dana Point, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- OC Hero Foundation
EIN 474071993 · Headquarters: Fountain Valley, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ
- Oc Jewish Interest Free Loans Inc
EIN 933427156 · Headquarters: Newport Beach, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oc Open Arms
EIN 334584771 · Headquarters: GARDEN GROVE, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oc Safehomes
EIN 813713511 · Headquarters: NEWPORT BEACH, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Oc Senior Techconnect
EIN 991178023 · Headquarters: Rancho Santa Margarita, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ocaaba Foundation
EIN 993400558 · Headquarters: Newport Beach, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Occf Supporting Organization
EIN 260564840 · Headquarters: IRVINE, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oceans in Focus
EIN 473377406 · Headquarters: Newport Coast, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oceanside Charities
EIN 953537736 · Headquarters: Oceanside, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Oceanside Parks and Recreation Community Foundation Inc
EIN 020714450 · Headquarters: Oceanside, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Oceanside Rotary Club Foundation
EIN 330689355 · Headquarters: Carlsbad, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oconnell Family Foundation
EIN 912065094 · Headquarters: CASTRO VALLEY, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-PF
- October Lane Foundation
EIN 651174294 · Headquarters: LOS ANGELES, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- October Saints Foundation
EIN 686224342 · Headquarters: SAN FRANCISCO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Odeh Ynaaz Foundation
EIN 471929433 · Headquarters: SAN RAMON, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Odell Family Charitable Foundation
EIN 845175538 · Headquarters: SANTA BARBARA, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Odell Foundation
EIN 680046242 · Headquarters: FORTUNA, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-PF
- Of Earth Foundation
EIN 934929326 · Headquarters: Van Nuys, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ofelia Gigante Family Foundation
EIN 832387207 · Headquarters: SARATOGA, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Ogbozor Foundation Worldwide
EIN 843317037 · Headquarters: Rancho Palos Verdes, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Oh Family Foundation
EIN 990379572 · Headquarters: BAKERSFIELD, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Oh Happy Day Foundation
EIN 821184236 · Headquarters: Temecula, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Ohmy Shirts Incorporated
EIN 562676093 · Headquarters: Los Angeles, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Oilean Easa Foundation
EIN 900825213 · Headquarters: LOS ANGELES, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Oiota Family Foundation
EIN 931967914 · Headquarters: RESEDA, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Ojai Valley Community Hospital Fdn
EIN 201982135 · Headquarters: OJAI, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ojh Foundation
EIN 207168685 · Headquarters: FULLERTON, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Olander Family Foundation Inc
EIN 943400451 · Headquarters: SAN JOSE, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- 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 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 Orchard Pto
EIN 204891373 · Headquarters: VALENCIA, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ole Health Foundation
EIN 680149424 · Headquarters: NAPA, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Olesen Private Foundation
EIN 455461459 · Headquarters: SAN JOSE, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Olga and Bahman Kaveh Foundation
EIN 812287331 · Headquarters: Bell Canyon, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Olimpia Foundation
EIN 954693483 · Headquarters: LOS ANGELES, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Olive Oasis Foundation
EIN 934097461 · Headquarters: SAN JOSE, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oliver Mccammon Memorial Scholarship Fdn Inc
EIN 956076371 · Headquarters: El Segundo, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Oliver Opal Humanitarian Foundation
EIN 203750872 · Headquarters: PALMDALE, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Olivia Headley Foundation
EIN 814948715 · Headquarters: LOS ANGELES, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Ollin Detlani Inc
EIN 991423907 · Headquarters: LOS ANGELES, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olson Family Foundation Trust Dated 10/07/94
EIN 336156479 · Headquarters: ORANGE, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Oma S Foundation Inc
EIN 273855472 · Headquarters: PORTERVILLE, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Omaj Foundation Inc
EIN 812681546 · Headquarters: Salinas, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Omaze Foundation Inc
EIN 822113695 · Headquarters: Los Angeles, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Omb Foundation
EIN 814702025 · Headquarters: Mount Shasta, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-PF
- Omega Foundation of Santa Clara Valley
EIN 770156724 · Headquarters: San Jose, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Omidyar Network Fund Inc
EIN 201173866 · Headquarters: Redwood City, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Omni Foundation
EIN 300875874 · Headquarters: IRVINE, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Omnia Foundation
EIN 943363863 · Headquarters: san francisco, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- Ona E Murphy & Robert E Murphy Charitable Trust
EIN 776198538 · Headquarters: CARMEL, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- One Big Gift
EIN 993997336 · Headquarters: COSTA MESA, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- One Breath Foundation Inc
EIN 562665699 · Headquarters: Covina, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Culture Foundation Inc
EIN 844432511 · Headquarters: Mountain View, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Family
EIN 943228821 · Headquarters: Danville, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- One for Africa
EIN 202330372 · Headquarters: Los Alamitos, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- One Less Worry Inc
EIN 813873175 · Headquarters: sacramento, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- One Light
EIN 814892615 · Headquarters: Concord, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- One Love Movement
EIN 473327983 · Headquarters: SAN DIEGO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- One Love Volunteers
EIN 820608055 · Headquarters: Los Angeles, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- One Million Ways
EIN 264008182 · Headquarters: Los Angeles, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- One More Village Foundation
EIN 680481318 · Headquarters: VALLEJO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- One Oak Foundation
EIN 823704408 · Headquarters: MARINA DEL REY, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- One of the Girls
EIN 273663016 · Headquarters: SIMI VALLEY, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- One Percent for Education
EIN 474623112 · Headquarters: SAN RAFAEL, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990
- One Planet Foundation
EIN 384191424 · Headquarters: CUPERTINO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- One Planet Research Foundation
EIN 367736371 · Headquarters: LOS ANGELES, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- One Road Foundation Inc
EIN 680048156 · Headquarters: Laytonville, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- One Step Above
EIN 010822406 · Headquarters: Elk Grove, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- One Step One Change Foundation
EIN 920974241 · Headquarters: Beverly hills, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Valley Foundation
EIN 931665274 · Headquarters: PALM DESERT, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- One World Children's Fund
EIN 770479205 · Headquarters: San Francisco, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- One Year Bible Inc
EIN 900857943 · Headquarters: PALM SPRINGS, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Onegoodday Inc
EIN 473404573 · Headquarters: gold river, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Onehope Foundation
EIN 271530711 · Headquarters: SANTA ANA, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990
- Onekind Foundation Inc
EIN 263563707 · Headquarters: San Marcos, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-PF
- Oneoc
EIN 952021700 · Headquarters: SANTA ANA, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oneprojectorg
EIN 463259572 · Headquarters: SAN FRANCISCO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Ong Family Foundation
EIN 472177717 · Headquarters: SUNNYVALE, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Ong Hing Foundation
EIN 852579665 · Headquarters: SAN FRANCISCO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Onkar - The Oneness Charitable Society
EIN 872414896 · Headquarters: Rancho Cucamonga, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Online Arts Charity
EIN 331668756 · Headquarters: SAN JUAN CAPISTRANO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ooieeo Foundation
EIN 871805389 · Headquarters: PLEASANTON, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Open Circle Foundation
EIN 943349692 · Headquarters: OAKLAND, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ
- Open Claps
EIN 831140862 · Headquarters: sunnyvale, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Open Door Capital Support
EIN 472213661 · Headquarters: Arcata, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990