Oosterhof Foundation Inc
Preselected recipients only
Oosterhof Foundation Inc is a private foundation in Sammamish, Washington. In tax year 2025 it gave $32,475 in 6 grants; the typical grant was $5,500 and the largest $10,000. It only gives to organizations it selects itself and does not accept unsolicited applications.
From its IRS Form 990-PF for tax year 2025.
- Grants paid, 2025$32,475
- Number of grants6
- Typical grant$5,500
- Largest grant$10,000
- Assets$1.6 million
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $0 | 0 | $1.0 million |
| 2024 | $0 | 0 | $1.1 million |
| 2025 | $32,475 | 6 | $1.6 million |
How to apply
Oosterhof Foundation Inc says in its IRS filing that it only makes contributions to preselected organizations, so unsolicited applications are unlikely to be considered. Organizations it funds are usually invited.
What Oosterhof Foundation Inc funds
Where it gives
Its grants went to recipients in 3 states, the most to Washington.
| State | Grants | Amount |
|---|---|---|
| Washington | 4 | $12,475 |
| Illinois | 1 | $10,000 |
| Oklahoma | 1 | $10,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| Northwestern University | General purpose | $10,000 |
| Oklahoma State University Foundation | General purpose | $10,000 |
| Seattle Children's Foundation | General purpose | $10,000 |
| Bloodworks Northwest Co Development | General purpose | $1,000 |
| Medic One Foundation | General purpose | $1,000 |
| St Jude Catholic Church | General purpose | $475 |
Officers and trustees
- Ernst P Oosterhof
- Kathy Oosterhof
Questions people ask
Does Oosterhof Foundation Inc accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does Oosterhof Foundation Inc give?
$32,475 in tax year 2025, across 6 grants, with a typical grant of $5,500.
Who runs Oosterhof Foundation Inc?
Its 2025 filing lists Ernst P Oosterhof (Director) and Kathy Oosterhof (Director).
What does Oosterhof Foundation Inc fund?
Based on its grants, mainly education.