Unknown & Unclassified nonprofits in California
Unknown & Unclassified nonprofits in California. Browse 48,218 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
- One Hundred Percent Foundation of Pasadena
EIN 956061531 · Headquarters: Pasadena, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One I-e
EIN 844649606 · Headquarters: Palm Springs, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- One More Round Recovery
EIN 850628267 · Headquarters: Huntington Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Pasadena 2024
EIN 992933173 · Headquarters: Pasadena, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Plus One Foundation
EIN 330823245 · Headquarters: Escondido, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- One Root Initiative
EIN 421835185 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Step A La Vez
EIN 454604852 · Headquarters: Fillmore, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- One Town Inc
EIN 271029890 · Headquarters: WRIGHTWOOD, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- One Vision
EIN 953976058 · Headquarters: Malibu, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Voice Mission
EIN 800538584 · Headquarters: North Hollywood, CA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- One Walk Christian Ministries
EIN 464599764 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- One West Tourism Alliance
EIN 953030768 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- One Wish at a Time Foundation Inc
EIN 830698378 · Headquarters: BAKERSFIELD, CA, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- One World Agenda
EIN 383862755 · Headquarters: Roseville, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- One World Montessori School Inc
EIN 942630042 · Headquarters: SAN JOSE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Onecalifornia
EIN 300820405 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Onecalifornia - Citizens Against the Costly Break-up of Our State
EIN 830563654 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Onedrumm
EIN 862832204 · Headquarters: Claremont, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Onegeneration
EIN 954066979 · Headquarters: VAN NUYS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- OneJustice
EIN 942589423 · Headquarters: San Francisco, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Onelifeonesmile
EIN 422147967 · Headquarters: San Jose, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oneness Healing Foundation
EIN 464444559 · Headquarters: Marina del Rey, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Oneonta Nursery School Corporation
EIN 951994338 · Headquarters: SOUTH PASADENA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oneworld Works
EIN 942352049 · Headquarters: Venice, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Ongbou Chang Education Foundation
EIN 832569235 · Headquarters: Sierra Madre, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Onix Public Health Nursing
EIN 871320018 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Online Creative Collective
EIN 931871269 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Only the Family Impact
EIN 921437038 · Headquarters: Perris, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Onsite Dental Access
EIN 815215597 · Headquarters: CARLSBAD, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · 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 Christian School Foundation
EIN 237419983 · Headquarters: ONTARIO, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Ontario Community Foundation
EIN 951811238 · Headquarters: Upland, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- 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 Host Lions Club
EIN 956133538 · Headquarters: RANCHO CUCAMONGA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · 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 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 Sister Cities
EIN 901906857 · Headquarters: ontario, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · 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
- Ontrac Recovery Inc
EIN 455142693 · Headquarters: Meadow Vista, CA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- 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
- 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
- Open 3D Models
EIN 871852423 · Headquarters: Union City, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Open Arms
EIN 651245760 · Headquarters: Brentwood, CA, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Open Arms Temporary Living Inc
EIN 811843957 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Cap Table Coalition Co
EIN 991639552 · Headquarters: PALO ALTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Open Door C O G I C
EIN 743092237 · Headquarters: East Palo Alto, CA, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Open Door Libraries
EIN 521048623 · Headquarters: Auburn, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Open Door Ministry for the Broken
EIN 473469846 · Headquarters: SPRING VALLEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Open Doors International Inc
EIN 330523832 · Headquarters: ORANGE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- 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 Ministries Inc
EIN 510154279 · Headquarters: Dinuba, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- 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 Mobile Project Foundation
EIN 473953271 · Headquarters: Menlo Park, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Open Networking Foundation
EIN 273327530 · Headquarters: Palo Alto, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Pages Project
EIN 423035501 · Headquarters: Jurupa Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- 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 Silo
EIN 850875011 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · 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 Space Action Committee
EIN 465478237 · Headquarters: Palm Desert, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Openbel Consortium Inc
EIN 461786429 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ
- Opencovidscreen Foundation
EIN 851218425 · Headquarters: MENLO PARK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opendaylight Project Inc
EIN 462152026 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990
- Opera 4 Kids
EIN 842698742 · Headquarters: OCEANSIDE, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opera Associates
EIN 952503791 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Operating Engineers Business Development Trust Fund
EIN 946676286 · Headquarters: ALAMEDA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operating Engineers Contract Admin Trust Fund for Northern California
EIN 943025011 · Headquarters: WEST SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operating Engineers Contract Administration
EIN 943026407 · Headquarters: Alameda, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operating Engineers Health and Welfare Fund
EIN 956034886 · Headquarters: PASADENA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operating Engineers Health and Welfare Trust Fund
EIN 942784001 · Headquarters: ALAMEDA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operating Engineers Industry Stabilization Trust Fund
EIN 943018932 · Headquarters: ALAMEDA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operating Engineers Journeyman and Apprentice Training Trust
EIN 956105499 · Headquarters: PASADENA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operating Engineers Local 3
EIN 940577785 · Headquarters: CONCORD, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operating Engineers Local 501 Security Fund
EIN 956049026 · Headquarters: WEST COVINA, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Operating Engineers Market Preservation Trust Fund
EIN 946599237 · Headquarters: ALAMEDA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operating Engineers Union 3 Pensioned Health & Welfare Fund
EIN 946096327 · Headquarters: ALAMEDA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operating Engineers Vacation-holiday Savings Trust
EIN 956067144 · Headquarters: PASADENA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operation Care
EIN 942797327 · Headquarters: JACKSON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operation Doula
EIN 882475349 · Headquarters: Spring Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Operation E-bike
EIN 332379374 · Headquarters: Santa Cruz, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Encouragement
EIN 953403208 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Operation Footprint Fka Baja Project for Crippled Children
EIN 330516027 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Operation Free Women
EIN 883079157 · Headquarters: Carson, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Operation Glove Inc
EIN 462822192 · Headquarters: Yucaipa, CA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Operation La
EIN 992943923 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Miracles International
EIN 822116441 · Headquarters: DUARTE, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Operation Overflow
EIN 811648416 · Headquarters: Pittsburg, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Operation Rainbow Inc
EIN 760022338 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operation Sandy-bugs Inc
EIN 710955558 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2014 · 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
- Operationeconomics International
EIN 851265454 · Headquarters: San Marcos, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- 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' & 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
- Operaworks Inc
EIN 592884120 · Headquarters: Granada Hills, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N