Oosterhof Foundation Inc
Grantmaking foundation in Sammamish, Washington · EIN 93-4298183
- Washington
- Sammamish
- Philanthropy, Voluntarism and Grantmaking Foundations
- Philanthropy, Voluntarism and Grantmaking Foundations in Washington
- Grants itemized on the 990
- $32KTax year 2025
- Grants made
- 6Tax year 2025
- Total assets
- $1.2MLatest reported
- Latest IRS filing
- 2025Form 990 / 990-PF
Top recipients
| Recipient | Amount | Tax year |
|---|---|---|
| Northwestern University | $10K | 2025 |
| Oklahoma State University Foundation | $10K | 2025 |
| Seattle Children'S Foundation | $10K | 2025 |
| Bloodworks Northwest Co Development | $1K | 2025 |
| Medic One Foundation | $1K | 2025 |
Amounts are rounded. The full grantee list (6 grants in 2025) is available with a free account.
See the full profile. All grants with amounts and years, board and officers, contact details, giving patterns and your organization's fit score are available with a free GrantAuthority account.
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Source: IRS Form 990 and 990-PF filings, tax year 2025. Also see this organization on ProPublica Nonprofit Explorer.