Data / Nonprofits / Washington / Seatac / Philanthropy, voluntarism and grantmaking foundations
Philanthropy, voluntarism and grantmaking foundations nonprofits in Seatac, WA: 3 registered with the IRS
3 philanthropy, voluntarism and grantmaking foundations nonprofits are registered with the IRS in Seatac, WA, 3 of them 501(c)(3) charities.
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Hewot Care Foundation | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Lions 19B Watters Charitable Trust | 501(c)(3) | 1998 | $149,135 | 2025-06 | |
| Rorvig Foundation | 501(c)(3) | 2022 | $20.1 million | 2024-12 |
Other causes in Seatac, WA
- Human services 18
- Religion-related 15
- Education 9
- Recreation and sports 6
- Arts, culture and humanities 5
- Health care 4
Every nonprofit in Seatac, WA · Philanthropy, voluntarism and grantmaking foundations 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.