Data / Nonprofits / Washington / Mattawa
Nonprofits in Mattawa, WA: 9 registered with the IRS
9 nonprofits are registered with the IRS in Mattawa, WA, 7 of them 501(c)(3) charities; the 2 that report revenue took in $136,547. The largest by revenue: Miss Rodeo Washington Pageant ($82,768), Sagebrush Seniors of Grant County ($53,779). Most common causes: education (3).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Miss Rodeo Washington Pageant | Youth development | 501(c)(3) | 2024 | $82,768 | $27,044 | 2024-12 |
| Sagebrush Seniors of Grant County | Human services | 501(c)(3) | 2012 | $53,779 | $125,175 | 2023-12 |
| Cozy Comforts of South Grant County | Education | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Desert Aire Golf & Country Club | 501(c)(7) | 1995 | $0 | $0 | 2025-12 | |
| Learning Bridge | Education | 501(c)(3) | 2025 | |||
| Mattawa Area Food Bank | Food, agriculture and nutrition | 501(c)(3) | 2026 | |||
| Mattawa Community Medical Clinic | Health care | 501(c)(3) | 1998 | |||
| South Grant County Chamber of Commerce | Community improvement and capacity building | 501(c)(6) | 2024 | $0 | $0 | 2025-12 |
| Sven Legacy Foundation | Education | 501(c)(3) | 2024 |
By cause in Mattawa, WA
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.