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
- Sixteen Pearls Foundation
EIN 465380984 · Headquarters: Vallejo, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Sixth District Appellate Program
EIN 770187582 · Headquarters: SAN JOSE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sixties Decade Reunion
EIN 680461224 · Headquarters: Napa, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sjada
EIN 834375837 · Headquarters: Elk Grove, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- SJB Child Development Centers
EIN 941747079 · Headquarters: San Jose, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sjc-cgc Alumni USA Inc
EIN 863131527 · Headquarters: MILPITAS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sjfb Foundation for Agricultural Education
EIN 943118537 · Headquarters: STOCKTON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sjl Foundation
EIN 363584276 · Headquarters: MONTECITO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Sk8 Box
EIN 932463621 · Headquarters: Nevada City, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Ska for a Cause Inc
EIN 813323475 · Headquarters: REDONDO BEACH, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Skal International San Diego
EIN 272566749 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Skandia Lodge No 247
EIN 237278700 · Headquarters: Glendora, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Skate for Something Inc
EIN 831380996 · Headquarters: MOJAVE, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Skcj Cancer Support Foundation
EIN 834565591 · Headquarters: Long Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Skillcraft Inc
EIN 946103270 · Headquarters: MARTINEZ, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Skoalers Ski Club
EIN 946104431 · Headquarters: Davis, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skp Park of the Sierra Inc
EIN 770089995 · Headquarters: COARSEGOLD, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Skull and Dagger Foundation
EIN 954214579 · Headquarters: Palos Verdes Estates, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sky Farm Inc
EIN 680201334 · Headquarters: Sonoma, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sky Forest Mutual Water Co
EIN 951228724 · Headquarters: SKY FOREST, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sky Is Not the Limit
EIN 383956478 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Sky Londa Mutual Water Co Inc
EIN 941002144 · Headquarters: WOODSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sky Mountain Christian Camp
EIN 942386482 · Headquarters: ALTA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sky Mountain Life School
EIN 953529012 · Headquarters: Escondido, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sky of Hope
EIN 851639909 · Headquarters: Palo Alto, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Skyblue Mesa School Parent Teacher Organization
EIN 237351793 · Headquarters: CANYON COUNTRY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Skyflower
EIN 921327322 · Headquarters: Kings Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skyhawk Baseball Boosters Inc
EIN 832486620 · Headquarters: FONTANA, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Skyline Historical Society
EIN 942823244 · Headquarters: La Honda, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skyline Park Water & Service
EIN 237357443 · Headquarters: SANTA YNEZ, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Skyline Titans 1973 Oakland Ca
EIN 921561390 · Headquarters: CONCORD, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Skyliners Rv Club
EIN 800385962 · Headquarters: Valley Center, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Skylinks Mens Golf Club
EIN 473057344 · Headquarters: Long Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skytown Preschool Inc
EIN 680112542 · Headquarters: RICHMOND, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Skyview Willowbrook Association for Road Maintenance
EIN 680179138 · Headquarters: WILLITS, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Slate Mountain Summer Homes Assoc
EIN 770165742 · Headquarters: Fresno, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Slate Tile & Composition Roofers Joint Apprenticeship Committee
EIN 330426426 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Slater Butte Translator Company
EIN 941667487 · Headquarters: HAPPY CAMP, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Slavonian American Benevolent Society of Los Angeles
EIN 956058688 · Headquarters: SHERMAN OAKS, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Slavonic Mutual Benevolent Society
EIN 946080011 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sleepnation
EIN 394110026 · Headquarters: RANCHO CORDOVA, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sleepy Hollow Homes Association of Marin County
EIN 941418202 · Headquarters: San Anselmo, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Sleepy Hollow Mutual Water Company Co Terra Vista Management
EIN 942651703 · Headquarters: Monterey, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sleepy Hollow Owners Association
EIN 237385580 · Headquarters: RESCUE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sleepy Hollow Recreational Association
EIN 941348860 · Headquarters: Orinda, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Sleepy Valley Water Co Inc
EIN 952490616 · Headquarters: CANYON COUNTRY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Slo County Citizens for Good Govern
EIN 873976842 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- SLO Credit Union
EIN 956062634 · Headquarters: San Luis Obispo, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Slo Flyers Inc
EIN 770321341 · Headquarters: SAN LUIS OBISPO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Slo Girls Softball Association
EIN 770178713 · Headquarters: SN LUIS OBISP, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Slo Grown Kids Inc
EIN 264488059 · Headquarters: Los Osos, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Slo Riders
EIN 770416200 · Headquarters: SAN LUIS OBISPO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Slo Seed Ventures Inc
EIN 462806032 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Slo Skiers Inc
EIN 953660922 · Headquarters: SAN LUIS OBISPO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sloan Selective Services
EIN 861839083 · Headquarters: Sacamento, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Slopes Outside Inc
EIN 934243505 · Headquarters: Oakland, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sloughhouse Benchrest Shooters Inc
EIN 263798185 · Headquarters: GALT, CA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Slovak Heritage Association of San Diego Inc
EIN 330692719 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Slovene National Benefit Society
EIN 237524648 · Headquarters: Auburn, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Slovene National Benefit Society
EIN 522150425 · Headquarters: Laguna Niguel, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Slovene National Benefit Society 304
EIN 237524450 · Headquarters: Sebastopol, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Slovene National Benefit Society 723
EIN 237524637 · Headquarters: Alta Loma, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Slow Food North Valley
EIN 815433324 · Headquarters: CHICO, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Slow Food USA Inc
EIN 203710471 · Headquarters: Red Bluff, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Slow Food USA Inc
EIN 352265576 · Headquarters: Vacaville, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Slow Food USA Inc
EIN 352352310 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Smacna Northern San Joaquin Valley
EIN 942787058 · Headquarters: VENTURA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Small Business School
EIN 611977894 · Headquarters: WALNUT, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Small Business Web Inc
EIN 454148661 · Headquarters: Camarillo, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Small Groups Ministries International Inc
EIN 330051003 · Headquarters: Riverside, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Small School Districts Association
EIN 942891324 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Small Wilderness Area Preserves
EIN 237117658 · Headquarters: Los Osos, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Small World Christian School
EIN 941617558 · Headquarters: Modesto, CA, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990
- Small-scale Fuel Cell Commercialization Inc
EIN 943228156 · Headquarters: Pacific Plsds, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Smart and Final Golf Club
EIN 822102953 · Headquarters: Hermosa Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smart Card Alliance Inc
EIN 521833549 · Headquarters: REDWOOD CITY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Smart Community Outreach Services
EIN 850522611 · Headquarters: elk grove, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Smart Education for Children of India Inc
EIN 842254354 · Headquarters: Ventura, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Smart Gun Laws Action Fund
EIN 464721279 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Smart Program Inc
EIN 273386005 · Headquarters: Concord, CA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Smart Tutor
EIN 472991556 · Headquarters: POMONA, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Smart-mta Trust Fund
EIN 956401105 · Headquarters: IRWINDALE, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Smi International Foundation
EIN 394658008 · Headquarters: PLEASANTON, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Smile No Frowns
EIN 863893116 · Headquarters: COMPTON, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Smiles Day School a California Corp
EIN 942538986 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Smiley Elementary School PTA
EIN 956207423 · Headquarters: Redlands, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Smiling Faces Youth Program
EIN 263781589 · Headquarters: Santa Barbara, CA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Smith College Club of Los Angeles Co Paul Koliander CPA
EIN 956194075 · Headquarters: El Segundo, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Smith College Club of the Peninsula
EIN 943335283 · Headquarters: San Mateo, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smith Family Reunion Association
EIN 943121624 · Headquarters: SOQUEL, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Smith Preferred Services
EIN 473410473 · Headquarters: VENICE, CA, USA · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990
- Smith Road Mutual Water Assoc
EIN 770422242 · Headquarters: Watsonville, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Smith Walker Foundation
EIN 330327308 · Headquarters: NEWPORT BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Smocking Arts Guild of America Inc
EIN 581441435 · Headquarters: Pleasanton, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smocking Arts Guild of America Inc
EIN 742626848 · Headquarters: Palo Alto, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smocking Arts Guild of America Inc
EIN 830474433 · Headquarters: Temple City, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smodr Sexi Momma on Da Rize
EIN 871551018 · Headquarters: LANCASTER, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Smoke Eagles Inc
EIN 956052300 · Headquarters: Newport Beach, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Smokowski Family Foundation
EIN 873982068 · Headquarters: IRVINE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Smooch Inc Charitable Foundation
EIN 262991683 · Headquarters: WOODLAND HILLS, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N