Data / Nonprofits / California / San Mateo / Community improvement and capacity building
Community improvement and capacity building nonprofits in San Mateo, CA: 28 registered with the IRS
28 community improvement and capacity building nonprofits are registered with the IRS in San Mateo, CA, 10 of them 501(c)(3) charities; the 16 that report revenue took in $10.6 million. The largest by revenue: Canyon Springs Marketplace North Corp ($2.3 million), San Mateo County Association of Realtors Inc ($2 million), Parkridge Avenue 517 Corp ($1.2 million).
SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.
Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Canyon Springs Marketplace North Corp | 501(c)(25) | 2007 | $2.3 million | $45 million | 2025-12 |
| San Mateo County Association of Realtors Inc | 501(c)(6) | 2000 | $2 million | $4.3 million | 2024-12 |
| Parkridge Avenue 517 Corp | 501(c)(2) | 2015 | $1.2 million | $15.7 million | 2025-12 |
| Ocean Ranch Boulevard 3605 Corp | 501(c)(25) | 2015 | $813,761 | $23.3 million | 2025-12 |
| Foundation for San Mateo County Libraries | 501(c)(3) | 2019 | $799,222 | $1.3 million | 2025-06 |
| 282 Harbor Drive Corp | 501(c)(2) | 2013 | $693,472 | $6.7 million | 2025-12 |
| California Society of Facial Plastic Surgery Inc | 501(c)(6) | 2001 | $580,808 | $289,584 | 2024-12 |
| San Mateo Rotary Foundation | 501(c)(3) | 1971 | $434,202 | $2 million | 2025-06 |
| Franklin Street 1714 Corp | 501(c)(2) | 2025 | $400,628 | $5.4 million | 2025-12 |
| Heart-Sv | 501(c)(3) | 2025 | $393,453 | $3.6 million | 2025-06 |
| Executive Ridge 3210 Corp | 501(c)(2) | 2016 | $375,341 | $16.2 million | 2025-12 |
| San Mateo Police Officers Association | 501(c)(5) | 2009 | $285,738 | $442,873 | 2024-12 |
| St James Community Development Corporation | 501(c)(3) | 2023 | $245,392 | $301,970 | 2024-12 |
| Townsend Street 130 Corp | 501(c)(2) | 2025 | $196,461 | $17.4 million | 2025-12 |
| 7400 Stewart & Gray Inc | 501(c)(2) | 2013 | $0 | $0 | 2025-12 |
| Central Neighborhood Assc | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Elks Bay District Per Association | 501(c)(10) | 2018 | $0 | $0 | 2025-05 |
| Ethics San Mateo | 501(c)(4) | 2024 | $0 | $0 | 2025-12 |
| International Association of Lions Clubs | 501(c)(4) | 1940 | $0 | $0 | 2025-06 |
| It Takes A Village Children & Family Services Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Keizai Silicon Valley | 501(c)(6) | 2011 | $0 | $0 | 2026-06 |
| North Central Neighborhood Association | 501(c)(3) | 1996 | $0 | $0 | 2025-06 |
| San Mateo Heritage Alliance Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| San Mateo Park Neighborhood Association | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Slow Glen Park | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| West Tasman Drive 10 Corp | 501(c)(2) | 2025 | $0 | $0 | 2025-12 |
| Kuakini Highway 75-6099 Corp | 501(c)(2) | 2014 | $-81,351 | $10,594 | 2025-12 |
| 4985 Hallmark Parkway Inc | 501(c)(25) | 1998 | $-127,520 | $9 million | 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
- 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 · Community improvement and capacity building 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.