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
- Online Faith Christian Education Inc
EIN 850931290 · Headquarters: SACRAMENTO, CA, US · Youth Development · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Online Healing Lives-Sarando Vidas Onlin
EIN 811637896 · Headquarters: LA CRESCENTA, CA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Online Jewish Academy
EIN 900883147 · Headquarters: Tarzana, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Online Policy Group Inc
EIN 943375884 · Headquarters: San Francisco, CA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Online Reputation Management Association
EIN 262498195 · Headquarters: Redwood City, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Online Terror and Hate Monitoring and Training Center Inc
EIN 393551645 · Headquarters: PORT HUENEME, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Online Training Inc
EIN 320674529 · Headquarters: RIO LINDA, CA, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Only Believe Foundation
EIN 462218316 · Headquarters: Long Beach, CA, US · Youth Development · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Only Frenchies Inc
EIN 874764978 · Headquarters: PERRIS, CA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Only Hope Prison Ministries
EIN 452798111 · Headquarters: SIMI VALLEY, CA, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- Only in Love
EIN 884156873 · Headquarters: TUSTIN, CA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Only Kindness Inc
EIN 912039393 · Headquarters: LOS GATOS, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Only Live Once Inc
EIN 462031543 · Headquarters: Los Banos, CA, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Only Maranatha
EIN 331664553 · Headquarters: Los Angeles, CA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Only Quality People Inc
EIN 842996466 · Headquarters: La Jolla, CA, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Only Sunshine Sanctuary
EIN 844724131 · Headquarters: Elverta, CA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Only the Bible
EIN 474594123 · Headquarters: SAN DIMAS, CA, USA · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990
- Only the Family Impact
EIN 921437038 · Headquarters: Perris, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Only Way to West
EIN 455420080 · Headquarters: Los Angeles, CA, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Only with Consent Inc
EIN 464677200 · Headquarters: San Diego, CA, US · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Onmission Partners
EIN 475170322 · Headquarters: ORANGE, CA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990
- Onmymindfoundation
EIN 872169057 · Headquarters: Foster City, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Onnuri Mission Alliance
EIN 262672886 · Headquarters: IRVINE, CA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- Onnury Foundation
EIN 992668076 · Headquarters: Los Angeles, CA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Onor Foundation Inc
EIN 991013859 · Headquarters: CLOVIS, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Onroute22
EIN 813459472 · Headquarters: San Jose, CA, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Onsite Baseball
EIN 813781859 · Headquarters: San Pedro, CA, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Onsite Dental Access
EIN 815215597 · Headquarters: CARLSBAD, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Onsite Wellness Foundation
EIN 853630642 · Headquarters: Colton, CA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Onstage Playhouse Inc
EIN 330099794 · Headquarters: CHULA VISTA, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Onstage Repertory Theater
EIN 942997124 · Headquarters: Walnut Creek, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Onstage Theater Arts for Children
EIN 873090853 · Headquarters: Elk Grove, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ontario Airport Alliance Inc
EIN 455524175 · Headquarters: RANCHO CUCAMONGA, CA, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Ontario Cemetery Association
EIN 951067380 · Headquarters: ONTARIO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ontario Chamber of Commerce
EIN 951989644 · Headquarters: ONTARIO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ontario Chamber of Commerce Foundation
EIN 912130958 · Headquarters: ONTARIO, CA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ontario Christian Military Adademy
EIN 330920155 · Headquarters: Bloomington, CA, US · Religion Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Ontario Christian School Foundation
EIN 237419983 · Headquarters: ONTARIO, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Ontario Christian Schools
EIN 951809575 · Headquarters: Ontario, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ontario Commons Business Park Owners Ass Ociation
EIN 300572525 · Headquarters: WESTMINSTER, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ontario Community Center
EIN 815311195 · Headquarters: Ontario, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Ontario Community Foundation
EIN 951811238 · Headquarters: Upland, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Ontario Fastpitch Softball Associat
EIN 200452209 · Headquarters: ONTARIO, CA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ontario Fire Fighters Association Local 1430
EIN 956120574 · Headquarters: Ontario, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ontario Fire Fighters Local 1430 Retiree Healthcare Savings Trust
EIN 810696905 · Headquarters: ONTARIO, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ontario Fire Hockey Club
EIN 461542937 · Headquarters: Corona, CA, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Ontario Heritage
EIN 800408407 · Headquarters: Ontario, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ontario High School Alumni Association
EIN 364831497 · Headquarters: Ontario, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ontario Hispanic Chamber of Commerce
EIN 330924071 · Headquarters: Ontario, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ontario Hispanic Chamber of Commerce Foundation
EIN 823143243 · Headquarters: Ontario, CA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ontario Host Lions Club
EIN 956133538 · Headquarters: RANCHO CUCAMONGA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ontario Indonesian Mahk Church
EIN 813852545 · Headquarters: Rancho Cucamonga, CA, US · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Ontario International University Inc
EIN 872529667 · Headquarters: VALENCIA, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Ontario Lodge No 345 of the Independent Order of Odd Fellows
EIN 237594359 · Headquarters: Ontario, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ontario Montclair Teachers Association
EIN 952309695 · Headquarters: ONTARIO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ontario Mountain View Little League
EIN 330073995 · Headquarters: ONTARIO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ontario Outlaws Junior All-american Tackle Football and Cheer
EIN 261223427 · Headquarters: Ontario, CA, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Ontario Pd B2v Mixed
EIN 331735850 · Headquarters: ONTARIO, CA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ontario Police Explorer Program Inc
EIN 331846104 · Headquarters: Ontario, CA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ontario Police Mgt Group
EIN 330755564 · Headquarters: ONTARIO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ontario Police Officers Assn Inc
EIN 951596157 · Headquarters: ONTARIO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ontario Police Officers Association Widows and Orphans Fund
EIN 421655945 · Headquarters: ONTARIO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ontario Police Peer Support Foundation Inc
EIN 393214548 · Headquarters: Ontario, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ontario Professional Firefighters Foundation
EIN 301190402 · Headquarters: Ontario, CA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ontario Reign Booster Club
EIN 264431761 · Headquarters: Rancho Cucamonga, CA, US · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Ontario Released Time Christian Education Inc
EIN 330875395 · Headquarters: Montclair, CA, US · Religion Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Ontario Ridge Conservancy Inc
EIN 933700363 · Headquarters: Avila Beach, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ontario Sister Cities
EIN 901906857 · Headquarters: ontario, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Ontario Unit No 112 District No 25 American Legion Auxiliary
EIN 454928416 · Headquarters: ONTARIO, CA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ontario Youth Activities League
EIN 823718566 · Headquarters: Ontario, CA, US · Youth Development · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Ontario-montclair School District Facilities Corporation
EIN 912035392 · Headquarters: Ontario, CA, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Ontario-montclair School District Tr
EIN 336200352 · Headquarters: Newport Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ontario-montclair Schools Foundation
EIN 900716973 · Headquarters: ONTARIO, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ontrac Recovery Inc
EIN 455142693 · Headquarters: Meadow Vista, CA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Ontrack Program Resources Inc
EIN 680411738 · Headquarters: SACRAMENTO, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Onvif Inc
EIN 263412083 · Headquarters: SAN RAMON, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Onward Financial Inc
EIN 820874931 · Headquarters: san francisco, CA, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Onward Industries Inc
EIN 872295179 · Headquarters: Marina Del Rey, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Onward Leadership Training
EIN 853507377 · Headquarters: RANCHO CUCAMONGA, CA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Onward Santa Rosa a Coalition of Santa Rosans for Yes on Measure O
EIN 814137087 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Onword Theatre Llc
EIN 994047243 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Onye Okolo Memorial Foundation
EIN 881286907 · Headquarters: ELK GROVE, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Onyx 6 Foundation
EIN 923364922 · Headquarters: Rancho Cucamonga, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Onyx Northwest Chapter
EIN 823941148 · Headquarters: San Francisco, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Onyx Southwest Inc
EIN 811054849 · Headquarters: NORTH HOLLYWOOD, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Onyx Transitional Home
EIN 874375575 · Headquarters: ANTIOCH, CA, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oobie
EIN 923044435 · Headquarters: SAN FRANCISCO, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oodles Academy Foundation Inc
EIN 884092340 · Headquarters: CERRITOS, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ooieeo Foundation
EIN 871805389 · Headquarters: PLEASANTON, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Ookay Health
EIN 853045120 · Headquarters: LaVerne, CA, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Ooley Theatre
EIN 923390549 · Headquarters: Sacramento, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oosa Soccer Academy
EIN 334861761 · Headquarters: Ventura, CA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Op Eng & Partic Emplrs Preappr & Jrnymn Affm Actn Trng of Hawaii
EIN 941659158 · Headquarters: ALAMEDA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Op Eng & Participating Emp Pre-appren Apprentice & Journeyman Affirm Act Trng
EIN 941542942 · Headquarters: ALAMEDA, CA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990
- OPA International Astrology Foundation Inc
EIN 881780988 · Headquarters: San Diego, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Opal Wall Corporation
EIN 274258012 · Headquarters: Oceanside, CA, US · Housing & Shelter · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Oparc
EIN 951943396 · Headquarters: Montclair, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opd Canine Association
EIN 471582139 · Headquarters: San Pablo, CA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open 3D Models
EIN 871852423 · Headquarters: Union City, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Open Air Big Bear Inc
EIN 461239280 · Headquarters: Fawnskin, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N