Private foundation · EIN 93-4298183
Oosterhof Foundation Inc
Sammamish, WA
Oosterhof Foundation Inc is a private foundation based in Sammamish, WA. On its Form 990-PF for tax year 2025, it reported $32.5K in grants and contributions paid across 6 grants, with $1.58M in assets (fair market value). It reports that it gives only to preselected charitable organizations and does not accept unsolicited requests for funds. Its largest grants went to Northwestern University, Oklahoma State University Foundation and Seattle Children's Foundation.
How to request funding
Gives only to preselected organizations. On its Form 990-PF, this foundation checked the box saying it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Relationships and invitations usually come first.
As reported on the foundation's Form 990-PF for tax year 2025. Requirements change; confirm with the foundation before applying.
Largest grants, tax year 2025
Historical data · not a prediction| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Northwestern University | Evanston, IL | General Purpose | $10,000 |
| Oklahoma State University Foundation | Stillwater, OK | General Purpose | $10,000 |
| Seattle Children's Foundation | Seattle, WA | General Purpose | $10,000 |
| Bloodworks Northwest Co Development | Seattle, WA | General Purpose | $1,000 |
| Medic One Foundation | Bellevue, WA | General Purpose | $1,000 |
| St Jude Catholic Church | Redmond, WA | General Purpose | $475 |
Names and purposes as reported to the IRS.
Where its grants went
Quick answers
Does Oosterhof Foundation Inc accept grant applications?
According to its Form 990-PF for tax year 2025, Oosterhof Foundation Inc makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
How much does Oosterhof Foundation Inc give each year?
For tax year 2025, it reported $32,475 in grants and contributions paid (6 grants). Giving can change from year to year.
What organizations has Oosterhof Foundation Inc funded?
Its largest grants in tax year 2025 went to Northwestern University (IL), $10K, Oklahoma State University Foundation (OK), $10K, Seattle Children's Foundation (WA), $10K, Bloodworks Northwest Co Development (WA), $1K and Medic One Foundation (WA), $1K.