Data / Nonprofits / California / San Mateo / Religion-related
Religion-related nonprofits in San Mateo, CA: 39 registered with the IRS
39 religion-related nonprofits are registered with the IRS in San Mateo, CA, 39 of them 501(c)(3) charities; the 8 that report revenue took in $8.4 million. The largest by revenue: Housing Endowment & Trust of San Mateo County ($5.8 million), The Olympic Club Foundation ($1.8 million), The Mystical Humanity of Christ ($403,051).
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Every organization, largest by revenue first
Other causes in San Mateo, CA
- Human services 76
- Education 59
- Philanthropy, voluntarism and grantmaking foundations 42
- Recreation and sports 36
- Arts, culture and humanities 33
- Community improvement and capacity building 28
- Environment 12
- Youth development 10
- 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 · Religion-related 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.