The Oakriver Foundation
Preselected recipients only
The Oakriver Foundation is a private foundation in Northport, Michigan. In tax year 2025 it gave $214,000 in 13 grants; the typical grant was $5,000 and the largest $45,000. 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$214,000
- Number of grants13
- Typical grant$5,000
- Largest grant$45,000
- Assets$4.8 million
- New grantees23%
Giving in 2025 was down from $216,500 the year before.
23% of its 2025 grantees had not received a grant from it the year before, a mix of repeat and new grantees.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $214,000 | 12 | $4.4 million |
| 2024 | $216,500 | 13 | $4.3 million |
| 2025 | $214,000 | 13 | $4.8 million |
How to apply
The Oakriver Foundation 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 The Oakriver Foundation funds
Where it gives
Its grants went to recipients in 7 states, the most to Michigan.
| State | Grants | Amount |
|---|---|---|
| Michigan | 4 | $100,000 |
| Illinois | 2 | $42,500 |
| Massachusetts | 1 | $40,000 |
| California | 3 | $11,500 |
| Connecticut | 1 | $10,000 |
| New York | 1 | $5,000 |
| Vermont | 1 | $5,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| Atwill Memorial Chapel | Charitable | $45,000 |
| Peoria Riverfront Museum | Charitable | $40,000 |
| University of Michigan Library | Educational | $40,000 |
| Phillips Academy Peabody Museum | Charitable | $40,000 |
| Greenwich Country Day School | Educational | $10,000 |
| Munson Hospital Foundation | Charitable | $10,000 |
| UCSF Foundation | Charitable | $5,000 |
| Shelburne Museum | Charitable | $5,000 |
| Los Angeles Family School | Educational | $5,000 |
| Bluepath Service Dogs | Charitable | $5,000 |
| Leelanau Conservancy | Charitable | $5,000 |
| Iwec | Charitable | $2,500 |
| Benton Art Museum - Pomona College | Educational | $1,500 |
Officers and trustees
- William P Heidrich
- Carolyn Ziebarths
- William Heidrich II
- Peter Heidrich
Questions people ask
Does The Oakriver Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does The Oakriver Foundation give?
$214,000 in tax year 2025, across 13 grants, with a typical grant of $5,000.
Who runs The Oakriver Foundation?
Its 2025 filing lists William P Heidrich (Trustee), Carolyn Ziebarths (Trustee), William Heidrich II (Trustee) and Peter Heidrich (Trustee).
What does The Oakriver Foundation fund?
Based on its grants, mainly education and arts and culture.