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
- Orthojamaica
EIN 455290499 · Headquarters: Oakland, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Orthopaedic Education and Research Institute of Southern California
EIN 753078627 · Headquarters: ORANGE, CA, USA · Medical Research · Latest available filing year: 2023 · Primary form: IRS Form 990
- Orthopaedic Institute
EIN 951644604 · Headquarters: Los Angeles, CA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orthopaedic Institute for Children Foundation
EIN 951644029 · Headquarters: LOS ANGELES, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orthopaedic Laser Society of North America
EIN 950268022 · Headquarters: SOUTH LAKE TAHOE, CA, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Orthopaedic Link Inc
EIN 262986089 · Headquarters: LOS ANGELES, CA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Orthopaedic Surgical Osseointegration Society
EIN 204839643 · Headquarters: WALNUT CREEK, CA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Orthopedic Institute of the Good Samaritan Hospital
EIN 954346048 · Headquarters: Los Angeles, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Orthopedic Research Institute Inc
EIN 991840772 · Headquarters: Loma Linda, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orthopedic Shoulder and Elbow Fndn
EIN 863325284 · Headquarters: RANCHO MIRAGE, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Orthotic & Prosthetic Activities Foundation Inc
EIN 541747398 · Headquarters: Atwater, CA, USA · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Orthox Innovation Inc
EIN 820729024 · Headquarters: Rancho Santa Fe, CA, US · Medical Research · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Orto Farms
EIN 843676290 · Headquarters: LOS ANGELES, CA, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oru and Friends
EIN 453266453 · Headquarters: REDWOOD CITY, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oru Thuli Inc
EIN 874738124 · Headquarters: SAN JOSE, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orval and Susie Stewart Foundation
EIN 330171627 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Orval Butcher Ministries
EIN 953667108 · Headquarters: LAKESIDE, CA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Orvh Bunker
EIN 933232636 · Headquarters: Lake Elsinore, CA, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Orville Armstrong Library
EIN 811903076 · Headquarters: Santa Barbara, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Orville Schell Farms Wildlife Preserve
EIN 990396591 · Headquarters: BOLINAS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Orville Wright Parent Teacher Organization
EIN 954588140 · Headquarters: LOS ANGELES, CA, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Os Sportz
EIN 993021006 · Headquarters: Dulzura, CA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Osa Birds Research and Conservation Inc
EIN 455632959 · Headquarters: San Diego, CA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Osaka University North American Alumni Association
EIN 205603317 · Headquarters: Berkeley, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Osana Health Innovations Foundation Inc
EIN 814619164 · Headquarters: South Lake Tahoe, CA, US · Medical Research · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Osborne Head & Neck Foundation a Non Profit California Corp
EIN 203348585 · Headquarters: LOS ANGELES, CA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990
- Osby Affordable Housing
EIN 872681979 · Headquarters: Long beach, CA, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- OSC2
EIN 465244384 · Headquarters: PIEDMONT, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oscar Brown Golf Club
EIN 680310833 · Headquarters: Pleasanton, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oscar De La Hoya Foundation
EIN 954586767 · Headquarters: LOS ANGELES, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Oscar Grant Foundation
EIN 273210344 · Headquarters: Hayward, CA, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Oscar Grant Foundation
EIN 371761761 · Headquarters: Castro Valley, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- Oscar Hardie Dean Family Life Center
EIN 770565604 · Headquarters: Bakersfield, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Oscar Housing Foundation
EIN 311644885 · Headquarters: CHATSWORTH, CA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oscar Joel Bryant Foundation
EIN 953497064 · Headquarters: Inglewood, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oscar Ledesma Memorial Scholarship Foundation
EIN 882471020 · Headquarters: Fallbrook, CA, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Oscar Litwak Foundation
EIN 200334816 · Headquarters: TARZANA, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oscar S Safehouse
EIN 871612732 · Headquarters: Los Altos Hills, CA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oscar Sa Garcia Foundation
EIN 260392382 · Headquarters: Chula Vista, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oscar Wilde Foundation
EIN 823583477 · Headquarters: SANTA MONICA, CA, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Oscar Zelaya Childrens Cancer Foundation
EIN 263900942 · Headquarters: NORTHRIDGE, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Oscar's Place Adoption Center & Sanctuary
EIN 870859346 · Headquarters: HOPLAND, CA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- Oscars Kids
EIN 843171419 · Headquarters: Sherman Oaks, CA, US · Medical Research · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Oseh Chessed Inc
EIN 813288073 · Headquarters: VALLEY VILLAGE, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Osgi Alliance Inc
EIN 943331575 · Headquarters: SAN RAMON, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990
- Oshay Family Foundation
EIN 454106275 · Headquarters: SAN LEANDRO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Osher Marin Jewish Community Center
EIN 680360243 · Headquarters: San Rafael, CA, United States · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oshiana Unique Thompkins Foundation
EIN 852333741 · Headquarters: El Sobrante, CA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oshman Family Jewish Community Center
EIN 770185734 · Headquarters: PALO ALTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Osho Academy Inc
EIN 860760237 · Headquarters: SANTA BARBARA, CA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Osho Guru Kripa
EIN 320856495 · Headquarters: HAYWARD, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Osho Niranjana
EIN 453341852 · Headquarters: SAN MARCOS, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Osho Nirvana Inc
EIN 824009263 · Headquarters: VALLEY CENTER, CA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oside Community Center
EIN 991570300 · Headquarters: Oceanside, CA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oside Owners Serving Individuals Deserving of Encouragement Oside
EIN 475201662 · Headquarters: Carlsbad, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Osio Theater
EIN 830600299 · Headquarters: Salinas, CA, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Osipova Ballet Foundation
EIN 873505394 · Headquarters: Mountain View, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oskar Schindler Humanities Foundation
EIN 953854157 · Headquarters: Palm Desert, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-PF
- OSKIE 6 Inc
EIN 834658800 · Headquarters: Elk Grove, CA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Osmania University Medical Alumni Association Of
EIN 521612092 · Headquarters: Stockton, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Osmnail
EIN 861671450 · Headquarters: Los Angeles, CA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Osnet Inc
EIN 954551356 · Headquarters: Palm Desert, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ
- Oso Grande Elementary School PTA California Congress
EIN 161726166 · Headquarters: Ladera Ranch, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oso Libre Por Vida Incorporated
EIN 208216967 · Headquarters: GLENDALE, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- OSO Town Council Foundation
EIN 453737835 · Headquarters: Wilmington, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Oso Valley Greenbelt Association
EIN 953127903 · Headquarters: IRVINE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Osos Baseball
EIN 820733166 · Headquarters: ORANGE, CA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Osprey Clinical
EIN 881163842 · Headquarters: SACRAMENTO, CA, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Osprey Lacrosse Legends Group Incorporated
EIN 392925436 · Headquarters: San Diego, CA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Osprey Nest
EIN 831098705 · Headquarters: San Diego, CA, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Ospreytree Foundation
EIN 823316453 · Headquarters: CORONA DEL MAR, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Oss Events Inc
EIN 471699185 · Headquarters: Alameda, CA, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Ossem Holon
EIN 851544774 · Headquarters: Ridgecrest, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Osteopathic Center for Children
EIN 470909675 · Headquarters: San Diego, CA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Osteopathic Health Access
EIN 461797480 · Headquarters: SANTA ROSA, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Osteopathic Physicians & Surgeons of California
EIN 952117017 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Osteopathic Postdoctoral Training Institute
EIN 320087780 · Headquarters: Pomona, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Osteopathy's Promise to Children
EIN 330516906 · Headquarters: SAN DIEGO, CA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oster Elementary School Home & School Club Inc
EIN 364614368 · Headquarters: San Jose, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ostin Family Foundation C/o Frazin
EIN 954745068 · Headquarters: ENCINO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Ostomy 101 Inc
EIN 842489494 · Headquarters: San Diego, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ostomy Association of Contra Costa
EIN 510231051 · Headquarters: PLEASANT HILL, CA, USA · Medical Research · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Ostomy Association of San Diego
EIN 956135460 · Headquarters: El Cajon, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Ostomy Association of Sonoma County
EIN 237399231 · Headquarters: Santa Rosa, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ostomy Association Orange County Association
EIN 237429295 · Headquarters: Orange, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ostrander Park Restoration Foundation
EIN 272947589 · Headquarters: Oakland, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ostrich Association Inc
EIN 833179308 · Headquarters: Gilroy, CA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Osundun
EIN 464575798 · Headquarters: ALAMEDA, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oswald Chambers Foundation
EIN 942819071 · Headquarters: Monterey, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oswalt Academy PTSA
EIN 953892780 · Headquarters: Walnut, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Otay Group Charity
EIN 270478793 · Headquarters: Rancho Cucamonga, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Otay Mesa Cargo Morale Welfare & Recreation Association
EIN 473425743 · Headquarters: SAN DIEGO, CA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Otay Mesa Chamber of Commerce
EIN 330278802 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Otay Mesa Nestor Community Association
EIN 811488749 · Headquarters: San Diego, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Otay Mesa Property Owners Association
EIN 261410420 · Headquarters: SAN DIEGO, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Otay Mesa Recreation Council
EIN 330799895 · Headquarters: San Diego, CA, USA · Public & Societal Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- Otay Ranch Football Boosters Inc
EIN 473310819 · Headquarters: CHULA VISTA, CA, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Otay Ranch High School Music Booster
EIN 611452068 · Headquarters: Chula Vista, CA, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Otay Ranch One Community Association
EIN 330847057 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Otay Service Corporation
EIN 330588922 · Headquarters: Spring Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N