Data / Nonprofits / California / San Mateo / Youth development
Youth development nonprofits in San Mateo, CA: 10 registered with the IRS
10 youth development nonprofits are registered with the IRS in San Mateo, CA, 10 of them 501(c)(3) charities; the 4 that report revenue took in $3 million. The largest by revenue: Cake4kids ($2 million), San Mateo Police Activities League ($711,181), 650 Xtreme Volleyball Club ($166,629).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Cake4kids | 501(c)(3) | 2011 | $2 million | $315,909 | 2025-12 |
| San Mateo Police Activities League | 501(c)(3) | 1998 | $711,181 | $1.8 million | 2025-06 |
| 650 Xtreme Volleyball Club | 501(c)(3) | 2011 | $166,629 | $13,161 | 2024-12 |
| Tahdah Foundation | 501(c)(3) | 2016 | $158,986 | $142,310 | 2025-06 |
| Centennial Montessori Children S Fund Inc | 501(c)(3) | 2021 | $0 | $406,167 | 2025-12 |
| Foster City Flyers | 501(c)(3) | 2001 | $0 | $0 | 2023-08 |
| Friends of Troop 42 San Mateo Inc | 501(c)(3) | 2026 | |||
| Second Chance Project | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Shaker S Charitable Foundation | 501(c)(3) | 2020 | $0 | $0 | 2023-12 |
| Usnscc Band of the West | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
Other causes in San Mateo, CA
- Human services 76
- Education 59
- Philanthropy, voluntarism and grantmaking foundations 42
- Religion-related 39
- Recreation and sports 36
- Arts, culture and humanities 33
- Community improvement and capacity building 28
- Environment 12
- Health care 10
- Mental health and crisis intervention 10
- International, foreign affairs and national security 9
- Housing and shelter 8
- Animal-related 6
- Public and societal benefit 5
- Diseases, disorders and medical disciplines 5
- Medical research 5
- Civil rights, social action and advocacy 4
- Science and technology 4
- Crime and legal-related 4
- Food, agriculture and nutrition 4
- Mutual and membership benefit 4
- Employment 4
Every nonprofit in San Mateo, CA · Youth development nonprofits across the state · Nonprofits in every city of the state
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.