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
- Staff Nurses Association of Santa Rosa Memorial Hospital
EIN 942648235 · Headquarters: Santa Rosa, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Stafford Society
EIN 203953318 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Stage Chinese Performing Arts Club
EIN 871861575 · Headquarters: RIVERSIDE, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Stage of the Arts
EIN 954255548 · Headquarters: Victorville, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Stagg Street Elementary PTA
EIN 956207456 · Headquarters: Van Nuys, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Stallion Pride Pta
EIN 990907968 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Stallion Springs Property Owners Association Inc
EIN 770104452 · Headquarters: Tehachapi, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Stamp Out Chemical Abuse
EIN 330393850 · Headquarters: Solana Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Stanbridge Academy
EIN 237379082 · Headquarters: SAN MATEO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Stand Up For Santa Clara
EIN 920390077 · Headquarters: Santa Clara, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Stand Up Placer Inc
EIN 942578871 · Headquarters: AUBURN, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Stand Up Riverside Inc
EIN 881139043 · Headquarters: Riverside, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Stand Up Stand Out Inc
EIN 822783599 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Standard Educational Foundation
EIN 770009898 · Headquarters: BAKESFIELD, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Standard Middle School Athletic Booster Club
EIN 920736343 · Headquarters: Bakersfield, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Standard Print
EIN 464027510 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Standard Schnauzer Club of America Inc
EIN 541902049 · Headquarters: CARMICHAEL, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Standard Schnauzer Club of Northern California
EIN 680014963 · Headquarters: Berkeley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Standardsof Care Nurse Training Services
EIN 812376467 · Headquarters: Compton, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Standing Tall Together
EIN 262686271 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Standing Up For California
EIN 208682466 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Standing Up for Working Families
EIN 273301349 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Standing with Our Families Foundation
EIN 854336488 · Headquarters: LA CRESCENTA, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Standingfree
EIN 990932552 · Headquarters: Campbell, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Stanford Aquatic Foundation
EIN 510159315 · Headquarters: Palo Alto, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stanford Aviation Association
EIN 510188222 · Headquarters: STANFORD, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Stanford Bay Area Singles Club Inc
EIN 911851423 · Headquarters: Stanford, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stanford Campus Recreational Association
EIN 941539127 · Headquarters: STANFORD, CA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990
- Stanford Chapter of American Association of University Professo
EIN 334760279 · Headquarters: Santa Cruz, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stanford Faculty Club
EIN 941187089 · Headquarters: STANFORD, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Stanford Golf Club - Mens Section
EIN 770302095 · Headquarters: PALO ALTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Stanford Hispanic Broadcasting Inc
EIN 814792600 · Headquarters: Sunnyvale, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Stanford Medicine Black Nurses Association Chapter
EIN 933661840 · Headquarters: Martinez, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Stanford Medicine Partners
EIN 943192446 · Headquarters: Newark, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Stanford University Trust for Post Retirement & Post Employment Benefits
EIN 943246199 · Headquarters: REDWOOD CITY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Stanford Vina Ranch Irrigation Comp
EIN 941175425 · Headquarters: VINA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Staninger Center of Biotox and Informatics
EIN 270188052 · Headquarters: Oxnard, CA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Stanislaus Company of the Daughters of Utah Pioneers
EIN 453549273 · Headquarters: Modesto, CA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Stanislaus County Affordable Housing Inc
EIN 770317384 · Headquarters: MODESTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Stanislaus County Bar Association
EIN 942776443 · Headquarters: MODESTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Stanislaus County Employees Associa Afscme Local 10
EIN 941377566 · Headquarters: MODESTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990
- Stanislaus County Estate Planning Council Inc
EIN 770018532 · Headquarters: MODESTO, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Stanislaus County Farm Bureau
EIN 940894527 · Headquarters: MODESTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- Stanislaus County Medical Society
EIN 941311408 · Headquarters: MODESTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Stanislaus County Peace Officers Assn
EIN 942415357 · Headquarters: MODESTO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stanislaus County Swiss Club Inc
EIN 237089405 · Headquarters: MODESTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Stanislaus County Taxpayers Association
EIN 770464261 · Headquarters: Modesto, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Stanislaus Dental Foundation
EIN 942461460 · Headquarters: MODESTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Stanislaus Dental Society
EIN 942403308 · Headquarters: MODESTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Stanislaus Health Foundation
EIN 942830419 · Headquarters: Modesto, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- Stanislaus Partners in Education
EIN 770294263 · Headquarters: MODESTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Stanislaus Seniors Softball Assoc Inc
EIN 770371152 · Headquarters: MODESTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Stanislaus Taxpayer Association
EIN 392875493 · Headquarters: Modesto, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Stanley Middle School PTA Parent Teacher Association
EIN 942627356 · Headquarters: Lafayette, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Stanley Smith Horticultural Trust
EIN 946209165 · Headquarters: LARKSPUR, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Stanley W Strew Educational Fund Inc
EIN 943183378 · Headquarters: SACRAMENTO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stanley Y Beverley Lodge 108
EIN 943118900 · Headquarters: SUISUN CITY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Stanton Lions Club Inc
EIN 956133607 · Headquarters: STANTON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Stanton University
EIN 330704703 · Headquarters: ANAHEIM, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Star Alliance
EIN 942975770 · Headquarters: BERKELEY, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Star Aquatics
EIN 272758529 · Headquarters: HEMET, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Star Bethel Missionary Baptist Chur
EIN 941740059 · Headquarters: Emeryville, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-T
- Star Bright Ranch
EIN 455347504 · Headquarters: Ramona, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Star Chapter 192
EIN 912198741 · Headquarters: Manteca, CA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Star City Branch 2293 National Association of Letter Carriers
EIN 956037329 · Headquarters: BEVERLY HILLS, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Star Dusters
EIN 954044248 · Headquarters: BURBANK, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Star Fellowship
EIN 770112985 · Headquarters: Campbell, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Star Harbor Education Foundation
EIN 813464812 · Headquarters: IRVINE, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Star Mountain School
EIN 952595206 · Headquarters: Benicia, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Star of Hope Missionary Baptist Church of San Francisco
EIN 943067223 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Star One Credit Union
EIN 946069237 · Headquarters: Cupertino, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Star Sports Theatre Arts & Recreation Inc
EIN 954430228 · Headquarters: CULVER CITY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Star Touring & Riding Assoc - Saddleback Valley Chapter 422
EIN 263465795 · Headquarters: Fountain Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Star Touring Chapter 212
EIN 462811546 · Headquarters: Ballico, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Star Twirlers Square Dance Club
EIN 912170418 · Headquarters: Yucca Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stardusters Dance Club
EIN 953892039 · Headquarters: Pasadena, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Stardusters Dance Club
EIN 956095449 · Headquarters: Goleta, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Starfish Asset Fund
EIN 463501263 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Starfish Dogs Foundation
EIN 845026915 · Headquarters: Carmichael, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Starfish Learning Group
EIN 943207955 · Headquarters: San Lorenzo, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Starfish Story Foundation
EIN 472691937 · Headquarters: Pico Rivera, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Starhill Associates Inc C/o Greensteinrogoffolsen & Collp
EIN 942382326 · Headquarters: FREMONT, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Starhill Foundation
EIN 943019997 · Headquarters: San Andreas, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Starlight Children's Foundation
EIN 953802159 · Headquarters: CULVER CITY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Starlings Club Lynwood
EIN 843475638 · Headquarters: Long Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Starlings Rb -Rancho Bernardo
EIN 843178755 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Starlings Volleyball Cola
EIN 843912524 · Headquarters: INGLEWOOD, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Starlite Pines Home Assoc
EIN 941609379 · Headquarters: San Ramon, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Starr King Elementary Pta
EIN 134317993 · Headquarters: San Francisco, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Starr King Park
EIN 942967564 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- StartOut
EIN 264634162 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Startree107 Inc
EIN 202398484 · Headquarters: COSTA MESA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Startup Human Inc
EIN 474504460 · Headquarters: Long Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Starwish Foundation
EIN 462505533 · Headquarters: IRVINE, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- State Building & Construction Trades Council of California
EIN 940896460 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- State Center Community College Foundation
EIN 770190269 · Headquarters: FRESNO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- State Coalition of Probation Organizations
EIN 680009084 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- State Department Watch Limited
EIN 521374390 · Headquarters: LAGUNA HILLS, CA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990
- State Futures
EIN 332383837 · Headquarters: Covina, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- State of California Auto Dismantlers Assoc
EIN 942673961 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ