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
- Open Garden Day
EIN 920433265 · Headquarters: Santa Ana, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Gate Co-op Nursery School
EIN 237405261 · Headquarters: REDWOOD CITY, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Open Gate Inc
EIN 473055057 · Headquarters: SAN LEANDRO, CA, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990
- Open Gate International
EIN 814441565 · Headquarters: COSTA MESA, CA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Open Gate Learning Foundation
EIN 460906300 · Headquarters: FRESNO, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Gate Ministries Inc
EIN 510154279 · Headquarters: Dinuba, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Open Government Institute of Ca
EIN 264167200 · Headquarters: ORANGE, CA, USA · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Open H Counseling Center
EIN 880734175 · Headquarters: South Pasadena, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Hand Foundation
EIN 300827510 · Headquarters: Torrance, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Open Hand Institute
EIN 030597731 · Headquarters: Rialto, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Open Hand Ministries
EIN 953975779 · Headquarters: Van Nuys, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Open Hand Outreach Ministires
EIN 912155770 · Headquarters: Bakersfield, CA, US · Religion Related · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Open Hand Stewardship Inc
EIN 854367107 · Headquarters: San Jose, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Open Hands
EIN 383979486 · Headquarters: LOS ANGELES, CA, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Hands Bay Area
EIN 883936676 · Headquarters: East Palo Alto, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Open Hands Christian Counseling
EIN 394145838 · Headquarters: Modesto, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Hands for Youth
EIN 273336117 · Headquarters: San Leandro, CA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Open Hands Living DBA Grace International Orphanage
EIN 823566311 · Headquarters: Chico, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Open Hands of Hope
EIN 871592372 · Headquarters: Aliso Viejo, CA, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Open Hands Relief International
EIN 825514377 · Headquarters: Rancho Cucamonga, CA, US · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Open Hatch Foundation Incorporated
EIN 453909573 · Headquarters: Walnut, CA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Open Heart Foundation
EIN 352715284 · Headquarters: LOS ALTOS, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- Open Heart Kitchen of Livermore Inc
EIN 943396038 · Headquarters: LIVERMORE, CA, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Heart Leaders
EIN 474787230 · Headquarters: La Mesa, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Heart Synergy
EIN 934041399 · Headquarters: CARMEL, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Hearts and Hands of Hope
EIN 922830960 · Headquarters: Lancaster, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Open Hearts for Purple Hearts Foundation
EIN 474803277 · Headquarters: NEWPORT BEACH, CA, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Open Hearts Foundation
EIN 271215063 · Headquarters: WESTLAKE VILLAGE, CA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Hearts Homes
EIN 834511813 · Headquarters: Los Angeles, CA, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Hearts Open Homes
EIN 452443347 · Headquarters: PALMDALE, CA, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Open Heaven Ministry
EIN 465448774 · Headquarters: San Ramon, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Horizons
EIN 993936623 · Headquarters: garberville, CA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open House Center
EIN 814301838 · Headquarters: Concord, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Open Identity Exchangeinc
EIN 010948527 · Headquarters: SAN RAMON, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990
- Open Immigration Legal Services Inc
EIN 820662393 · Headquarters: Oakland, CA, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- Open Innovation Centers
EIN 934821335 · Headquarters: STOCKTON, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Open Insulin Foundation
EIN 871390995 · Headquarters: Oakland, CA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Open Jar Foundation
EIN 273077825 · Headquarters: LOS ANGELES, CA, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Open Justice Broker Consortium
EIN 452550612 · Headquarters: SACRAMENTO, CA, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- Open Kitchen Slo
EIN 393576788 · Headquarters: San Luis Obispo, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Letter Inc
EIN 954725590 · Headquarters: Glendale, CA, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Open Line Group Homes Inc
EIN 680217433 · Headquarters: Redding, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Longevity
EIN 852518777 · Headquarters: Sherman Oaks, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Lunar Foundation
EIN 824265651 · Headquarters: COVINA, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Media Group
EIN 932840139 · Headquarters: Culver City, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Medicine Foundation
EIN 264712664 · Headquarters: AGOURA HILLS, CA, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990
- Open Mind a Project for the Development and Education of Children
EIN 943252640 · Headquarters: SAN FRANCISCO, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Mind Collective
EIN 920801830 · Headquarters: SAN FRANCISCO, CA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Mind Company
EIN 262107813 · Headquarters: Sacramento, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Mind Neurosurgical International Omni Inc
EIN 261225151 · Headquarters: BRISBANE, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Open Mind School
EIN 273220528 · Headquarters: MENLO PARK, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Minds
EIN 800873785 · Headquarters: San Francisco, CA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Mobile Alliance
EIN 812152343 · Headquarters: SAN DIEGO, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Open Mobile Alliance Ltd
EIN 770508309 · Headquarters: SAN DIEGO, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990
- Open Mobile Project Foundation
EIN 473953271 · Headquarters: Menlo Park, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Open Molecular Software Foundation
EIN 862536664 · Headquarters: Davis, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Mri Oncology Hope Foundation a California Non Profit Corporation
EIN 954585543 · Headquarters: Carson, CA, US · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Open Music Society Foundation
EIN 273743368 · Headquarters: ENCINO, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- Open Nature Research
EIN 334955644 · Headquarters: El Cerrito, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Networking Foundation
EIN 273327530 · Headquarters: Palo Alto, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Networking Laboratory
EIN 452909901 · Headquarters: Menlo Park, CA, USA · Employment · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Open Networking Summits Inc
EIN 454206560 · Headquarters: Palo Alto, CA, USA · Science & Technology · Latest available filing year: 2015 · Primary form: IRS Form 990
- Open Nlp Labs
EIN 994354071 · Headquarters: Sacramento, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Open Opportunities Inc
EIN 272151962 · Headquarters: PITTSBURG, CA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Ordinals Institute
EIN 932180973 · Headquarters: OAKLAND, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Open Pages Project
EIN 423035501 · Headquarters: Jurupa Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Path Charitable Foundation
EIN 880818184 · Headquarters: IRVINE, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Open Paths Counseling Center
EIN 953221061 · Headquarters: INGLEWOOD, CA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990
- Open Paw Inc
EIN 943386665 · Headquarters: Union City, CA, US · Animal Related · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Open Perception Inc
EIN 455209021 · Headquarters: SAN FRANCISCO, CA, USA · Science & Technology · Latest available filing year: 2019 · Primary form: IRS Form 990-PF
- Open Philanthropy
EIN 810737472 · Headquarters: PALO ALTO, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Philanthropy Advisors Inc
EIN 992255770 · Headquarters: PALO ALTO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Power & Energy Network Inc
EIN 991345787 · Headquarters: MENLO PARK, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Open Primary Research and Defense Fund
EIN 550818672 · Headquarters: Los Angeles, CA, US · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Open Project Database
EIN 208750460 · Headquarters: Campbell, CA, US · Science & Technology · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Open Research Institute Inc
EIN 823945232 · Headquarters: SAN DIEGO, CA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990
- Open Research Lab
EIN 810861414 · Headquarters: San Francisco, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Rhoads
EIN 822585474 · Headquarters: Chico, CA, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Open Road Global
EIN 820892031 · Headquarters: Carlsbad, CA, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Roads Academy Inc
EIN 743022678 · Headquarters: SANTA MONICA, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Salt Seekers of the West
EIN 800667395 · Headquarters: antioch, CA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Open Science Initiative Inc
EIN 271669116 · Headquarters: Santa Monica, CA, US · Social Science · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Open Sea Foundation
EIN 330410680 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Open Security Alliance Inc
EIN 923456081 · Headquarters: SAN FRANCISCO, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Security and Safety Alliance Inc
EIN 824947427 · Headquarters: SAN RAMON, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Sesame
EIN 383982395 · Headquarters: Oakland, CA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Open Silo
EIN 850875011 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Open Sky for Autism Inc
EIN 842615024 · Headquarters: VALENCIA, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Open Sky Gallery
EIN 923862107 · Headquarters: Montague, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Open Sky Music Foundation
EIN 330827659 · Headquarters: BIG BEAR LAKE, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Source Ag Inc
EIN 823110979 · Headquarters: PASO ROBLES, CA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Open Source Applications Foundation
EIN 943401217 · Headquarters: San Francisco, CA, US · Science & Technology · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Open Source Collective
EIN 822037583 · Headquarters: COVINA, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Source Homelessness Initiative
EIN 852245319 · Headquarters: LOS ANGELES, CA, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Source Initiative
EIN 912037395 · Headquarters: WEST HOLLYWOOD, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Source of San Jose
EIN 994612294 · Headquarters: San Jose, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Source Robotics Foundation Inc
EIN 455230545 · Headquarters: SAN JOSE, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Source Vision Foundation
EIN 455202940 · Headquarters: PALO ALTO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Source Wellness
EIN 813440555 · Headquarters: El Cerrito, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Space Action Committee
EIN 465478237 · Headquarters: Palm Desert, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N