Nonprofits in Castro Valley, California
Nonprofits in Castro Valley, California. Browse 355 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
- Inner Wheel USA Inc
EIN 650145056 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Inner Wheel USA Inc
EIN 660396821 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Inner Wheel USA Inc
EIN 680231932 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Inner Wheel USA Inc
EIN 680382539 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Inner Wheel USA Inc
EIN 680426127 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Inner Wheel USA Inc
EIN 680426223 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Inner Wheel USA Inc
EIN 770048933 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Inner Wheel USA Inc
EIN 942667495 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Inner Wheel USA Inc
EIN 942951843 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Inner Wheel USA Inc
EIN 943040252 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Academy of Earthquake Prediction
EIN 453308949 · Headquarters: Castro Valley, CA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Brotherhood Electrical Workers Health & Welfare Trust Fund 202
EIN 946109077 · Headquarters: CASTRO VALLEY, CA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- International Org - Unity
EIN 237506637 · Headquarters: CASTRO VALLEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Italian Catholic Federation of California Inc
EIN 237641100 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Jenny Lin Foundation
EIN 943208797 · Headquarters: Castro Valley, CA, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Jullan Foundation
EIN 813118663 · Headquarters: castro valley, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Karol Uryga-Nawarowski Foundation
EIN 680040630 · Headquarters: Castro Valley, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Keongmas Association
EIN 264443546 · Headquarters: Castro Valley, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kiante Vernae Foundation
EIN 822919056 · Headquarters: Castro Valley, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Kiwanis International Inc
EIN 946098390 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 822638614 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Koamrus Mission Foundation
EIN 450506797 · Headquarters: Castro Valley, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Lake Merritt Sailing Club Incorporated
EIN 946079614 · Headquarters: CASTRO VALLEY, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Lap Dog Lounge and Adoptions
EIN 821507514 · Headquarters: Castro Valley, CA, US · Animal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Latin America Community Assistance Foundation
EIN 943154527 · Headquarters: Castro Valley, California, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- League of Women Voters of the Eden Area
EIN 942564627 · Headquarters: Castro Valley, CA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Les Dames Descoffier Internationalsan Francisco Chapter
EIN 205341764 · Headquarters: CASTRO VALLEY, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Level Up Foundation
EIN 922239982 · Headquarters: Castro Valley, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Lglp Ministries
EIN 464795321 · Headquarters: CASTRO VALLEY, CA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Light of Hope
EIN 311794083 · Headquarters: Castro Valley, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Little League Baseball Inc
EIN 270937012 · Headquarters: CASTRO VALLEY, CA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Luso-american Financial a Fraternal Benefit Society
EIN 237533652 · Headquarters: CASTRO VALLEY, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Making Colors Matter Inc
EIN 832689494 · Headquarters: Castro Valley, CA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Masters Hand Foundation
EIN 473034111 · Headquarters: CASTRO VALLEY, CA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mei De And Nai Kang Foundation
EIN 464255458 · Headquarters: Castro Valley, CA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Mental Health Association For Chinese Communities
EIN 824322450 · Headquarters: Castro Valley, CA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990
- Missions of Compassion
EIN 300268743 · Headquarters: Castro Valley, CA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Modern Woodmen of America
EIN 237502253 · Headquarters: CASTRO VALLEY, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Monastery of St Mary
EIN 264174163 · Headquarters: Castro Valley, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Montessori Discovery of the Child Found
EIN 943147215 · Headquarters: CASTRO VALLEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mothers with a Purpose
EIN 453556427 · Headquarters: CASTRO VALLEY, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Muhyiddin Ibn Arabi Society
EIN 942932606 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Image Inc
EIN 943230743 · Headquarters: CASTRO VALLEY, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- National Junior Basketball
EIN 943338692 · Headquarters: Castro Valley, CA, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- National Organization of Mothers of Twins Clubs Inc
EIN 943275952 · Headquarters: CASTRO VALLEY, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- National Sos
EIN 873822965 · Headquarters: Castro Valley, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Native Sons of the Golden West Piedmont Parlor
EIN 940708989 · Headquarters: CASTRO VALLEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Newfoundland Health and Rescue Inc
EIN 861050607 · Headquarters: Castro Valley, CA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Nfungotah Inc
EIN 270275370 · Headquarters: Castro Valley, CA, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Norcal Lawmen Football Organization
EIN 371532234 · Headquarters: Castro Valley, CA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Norcal Punjabi Youth Foundation Inc
EIN 454559887 · Headquarters: Castro Valley, CA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Norris Canyon Property Owners Association
EIN 946122010 · Headquarters: CASTRO VALLEY, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- North Bay Islamic Association
EIN 680435904 · Headquarters: Castro Valley, CA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- North Bay Queens of Cali
EIN 933166160 · Headquarters: Castro Valley, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nuwakot America Samparka Samiti America
EIN 861224373 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oconnell Family Foundation
EIN 912065094 · Headquarters: CASTRO VALLEY, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-PF
- One Perfect Circle Inc
EIN 843370308 · Headquarters: CASTRO VALLEY, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- Operation Mom
EIN 134233326 · Headquarters: Castro Valley, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · 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
- Our Safehaven
EIN 562333786 · Headquarters: CASTRO VALLEY, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oyster Bay Disc Golf Club
EIN 873990758 · Headquarters: CASTRO VALLEY, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Palomares Elementary Parent Teacher Club
EIN 861104594 · Headquarters: Castro Valley, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Pamela and Richard Rigg Foundation
EIN 274911450 · Headquarters: CASTRO VALLEY, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Parent Booster USA Inc
EIN 383883488 · Headquarters: Castro Valley, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Parents in Tech Alliance
EIN 850510212 · Headquarters: Castro Valley, CA, US · Science & Technology · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Partimus
EIN 205033488 · Headquarters: Castro Valley, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Partnership for Christian Science Nursing
EIN 943394834 · Headquarters: CASTRO VALLEY, CA, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Paws That Matter
EIN 843673045 · Headquarters: Castro Valley, CA, US · Animal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Peace and Cross Cultural Education Foundation
EIN 900907578 · Headquarters: Castro Valley, CA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990
- People People Media Foundation
EIN 854227365 · Headquarters: Castro Valley, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pictureparity
EIN 833354120 · Headquarters: Castro Valley, CA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Pilgrim Baptist Church
EIN 943039437 · Headquarters: Castro Valley, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Pilgrim Organization Inc
EIN 043656021 · Headquarters: Castro Valley, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Plantify
EIN 931608515 · Headquarters: Castro Valley, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Playcv Inc
EIN 871612445 · Headquarters: CASTRO VALLEY, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Plethos Productions
EIN 823413654 · Headquarters: Castro Valley, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Portuguese Fraternal Society of America
EIN 237532039 · Headquarters: CASTRO VALLEY, CA, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Proctor Elementary PTA
EIN 943076135 · Headquarters: Castro Valley, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Proctor School Science and Technology Booster Inc
EIN 450588514 · Headquarters: Castro Valley, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Protect Your Record Project Inc
EIN 352675781 · Headquarters: CASTRO VALLEY, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Pta California Congress of Parents Teachers & Students Inc
EIN 911923714 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Pta California Congress of Parents Teachers & Students Inc
EIN 942925876 · Headquarters: Castro Valley, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Pta California Congress of Parents Teachers & Students Inc
EIN 943076631 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Pta California Congress of Parents Teachers & Students Inc
EIN 943225085 · Headquarters: CASTRO VALLEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Pta California Congress of Parents Teachers & Students Inc
EIN 946172532 · Headquarters: Castro Valley, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Punjabi Cultural Association of Tri Valley
EIN 261608190 · Headquarters: Castro Valley, CA, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Purogati
EIN 204050438 · Headquarters: Castro Valley, CA, US · Health Care · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Rahmah Foundation
EIN 263699782 · Headquarters: Castro Valley, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Redwood Christian Schools
EIN 237069060 · Headquarters: CASTRO VALLEY, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Regional Parks Foundation
EIN 237011877 · Headquarters: CASTRO VALLEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Retired Oakland Police Officers Association
EIN 270947284 · Headquarters: CASTRO VALLEY, CA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990
- Rhythmic Pathways
EIN 880630423 · Headquarters: Castro Valley, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Rob Warren Leadership Foundation
EIN 882687983 · Headquarters: Castro Valley, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- Rotary Club of Castro Valley
EIN 946103454 · Headquarters: Castro Valley, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Rotary Club of Castro Valley- Endowment
EIN 943090586 · Headquarters: Castro Valley, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Row Chabot Inc
EIN 900113168 · Headquarters: Castro Valley, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Rowell Ranch Rodeo Inc
EIN 942429688 · Headquarters: Castro Valley, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990
- Ruby's Place Inc
EIN 942212241 · Headquarters: CASTRO VALLEY, CA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Safe Shared Streets Inc
EIN 831663899 · Headquarters: CASTRO VALLEY, CA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Safehouse Church
EIN 811859164 · Headquarters: CASTRO VALLEY, CA, US · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N