Data / Foundation grants / Oosterhof Foundation Inc
Oosterhof Foundation Inc: 6 grants to organizations, $32,475 (tax year ended December 2025)
Oosterhof Foundation Inc, a private foundation in Sammamish, WA, paid 6 grants to organizations totaling $32,475 in its tax year ended December 2025, according to its Form 990-PF filed with the IRS on May 8, 2026. The largest was $10,000 to Northwestern University in Evanston, IL for general purpose.
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- EIN
- 934298183
- Based in
- Sammamish, WA
- Assets
- $1,579,305
- Grants paid
- $32,475
- Tax year ended
- December 2025
Grants paid, tax year ended December 2025
From the Form 990-PF filed May 8, 2026, IRS object ID 202631289349101853. It reported $32,475 in grants paid; 6 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Northwestern University | Evanston, IL | General purpose | Recreation and sports | $10,000 | apps.irs.gov |
| Oklahoma State University Foundation | Stillwater, OK | General purpose | Education | $10,000 | apps.irs.gov |
| Seattle Children's Foundation | Seattle, WA | General purpose | $10,000 | apps.irs.gov | |
| Bloodworks Northwest Co Development | Seattle, WA | General purpose | $1,000 | apps.irs.gov | |
| Medic One Foundation | Bellevue, WA | General purpose | Health care | $1,000 | apps.irs.gov |
| St Jude Catholic Church | Redmond, WA | General purpose | $475 | apps.irs.gov |
Grants paid, tax year ended December 2024
From the Form 990-PF filed May 5, 2025, IRS object ID 202521259349101357. It reported $0 in grants paid; 0 grants to organizations are listed.
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Recreation and sports | $10,000 |
| Education | $10,000 |
| Health care | $1,000 |
States funded
| Recipient state | Granted |
|---|---|
| Washington | $12,475 |
| Illinois | $10,000 |
| Oklahoma | $10,000 |
Also on SpecStream
- Who funds recreation and sports in Illinois
- Who funds education in Oklahoma
- Who funds health care in Washington
Updated May 8, 2026. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.