Data / Nonprofits / California / Castro Valley / International, foreign affairs and national security
International, foreign affairs and national security nonprofits in Castro Valley, CA: 10 registered with the IRS
10 international, foreign affairs and national security nonprofits are registered with the IRS in Castro Valley, CA, 10 of them 501(c)(3) charities; the 6 that report revenue took in $3.5 million. The largest by revenue: 360serve ($2.1 million), Healthcare Charities Inc ($1.2 million), Peace and Cross Cultural Education Foundation ($102,773).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| 360serve | 501(c)(3) | 2012 | $2.1 million | $757,836 | 2025-12 |
| Healthcare Charities Inc | 501(c)(3) | 1996 | $1.2 million | $1.9 million | 2025-03 |
| Peace and Cross Cultural Education Foundation | 501(c)(3) | 2013 | $102,773 | $597,572 | 2025-12 |
| Laca Foundation | 501(c)(3) | 1992 | $89,009 | $377,093 | 2025-12 |
| Hands 4 Humanity Inc | 501(c)(3) | 2007 | $5,200 | $1 | 2025-07 |
| United States-China Exchange Council | 501(c)(3) | 2004 | $1,242 | $132,821 | 2025-12 |
| Cooperative Contingent of Concerned World Citizens Inc | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Hop4kids | 501(c)(3) | 2019 | $0 | $0 | 2023-12 |
| Mei de and Nai Kang Foundation | 501(c)(3) | 2015 | $173,174 | 2025-10 | |
| Undivided Women War & the Battle for Peace | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
Other causes in Castro Valley, CA
- Religion-related 42
- Education 32
- Recreation and sports 21
- Arts, culture and humanities 17
- Human services 16
- Public and societal benefit 10
- Philanthropy, voluntarism and grantmaking foundations 8
- Health care 8
- Public safety, disaster preparedness and relief 6
- Housing and shelter 6
- Youth development 6
- Environment 6
- Animal-related 5
- Crime and legal-related 5
- Mental health and crisis intervention 4
- Community improvement and capacity building 4
- Mutual and membership benefit 3
Every nonprofit in Castro Valley, CA · International, foreign affairs and national security 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.