Donald and Mary Kosch Foundation
The Donald and Mary Kosch Foundation is a private foundation based in Plymouth, Michigan. Its 2024 IRS filing is marked as the organization’s final return, indicating that it has terminated or is winding down; the filing data also records grants in 2025.
Donald and Mary Kosch Foundation at a glance
In short: Donald and Mary Kosch Foundation gave $8.0M across 4 grants in 2025 (avg $2.0M), mostly in Michigan. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $7,996,931
- Grants made (2025)
- 4
- Average grant
- $1,999,233
- Median grant
- $1,350,000
- Primary geography
- Michigan (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
How to apply to Donald and Mary Kosch Foundation
- Contact
Application contact: Donald F Kosch
Mailing address: 9 West Lane, Dearborn, MI 48124
Phone: (313) 562-1368
Website: https://donaldmarykoschfoundation.com
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Donald and Mary Kosch Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Donald & Mary Kosch Charitable Fund ($8.0M across 4 grants).
Grant Size Distribution
9 grants across all recorded years
The most common grant size was under $50K: 3 grants of 9 (33%).
Geographic Focus
Where this funder awards grants
All grant dollars reported for 2025 went to recipients in Michigan.
Grant Distribution by State
Share of 2025 grant dollars across all 4 itemized grants.
Cities
How Donald and Mary Kosch Foundation gives
- Giving grew 22748% from 2022 to 2025. Method
- In 2025 it paid out well above its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $35K (2022) to $8.0M (2025). In 2025 it made 4 grants totaling $8.0M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Donald & Mary Kosch Charitable Fund Dearborn, MI | Donor Advised Gift Fund | $5,000,000 |
| Donald & Mary Kosch Charitable Fund Dearborn, MI | Donor Advised Gift Fund | $1,400,000 |
| Donald & Mary Kosch Charitable Fund Dearborn, MI | Donor Advised Gift Fund | $1,300,000 |
| Donald & Mary Kosch Charitable Fund Dearborn, MI | Donor Advised Gift Fund | $296,931 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | — | $1,713,165 | $7,996,931 | $7,996,931 | 4 | $7,996,931 | $30,880 | $37,230 |
| 2024 | $6,283,766 | $766,263 | $2,634 | — | — | — | $339,548 | $351,071 |
| 2023 | $5,520,166 | $566,925 | $407,754 | $400,000 | 1 | $400,000 | $263,171 | $316,698 |
| 2022 | $5,364,187 | $595,256 | $38,757 | $35,000 | 2 | $35,000 | $254,899 | $302,605 |
| 2021 | $4,807,688 | $921,078 | $2,507,012 | $2,505,000 | 2 | $2,505,000 | $230,066 | $336,708 |
| 2020 | $6,393,620 | $1,358,115 | $705,331 | $700,000 | 13 | — | $107,170 | $300,627 |
Under IRS private-foundation payout rules, Donald and Mary Kosch Foundation reported a distributable amount of $37K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Grantmaking
The foundation reported four grants totaling $7,996,931 in 2025. The grants ranged from $296,931 to $5,000,000, with a median of $1,350,000. All four went to the Donald & Mary Kosch Charitable Fund in Dearborn, Michigan, for a donor-advised gift fund.
The 2024 filing lists application materials as written, no deadlines, and no restrictions on awards. It names Donald F Kosch as the contact. These instructions are from a filing marked as the foundation’s final return and should not be treated as current application guidance.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Donald F Kosch as president, treasurer, and director, and Mary T Kosch as secretary and director.
Donald and Mary Kosch Foundation is led by Donald F. Kosch, President, Treasurer & Director since 2024 (on filings since 2020); none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Donald F. Kosch
President, Treasurer & Director
President, Trs & Director → President, Treasurer & Director, 2024
On filings since 2020
5 hrs/week
No compensation reported
Mary T. Kosch
Secretary & Director
On filings since 2020
5 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Donald and Mary Kosch Foundation
How much does Donald and Mary Kosch Foundation give each year?
Donald and Mary Kosch Foundation gave $8.0M across 4 grants in 2025, according to its 2025 IRS Form 990-PF.
What is Donald and Mary Kosch Foundation's typical grant size?
Donald and Mary Kosch Foundation's median grant in 2025 was $1,350,000, and its average grant was $1,999,233, across 4 grants on its 2025 IRS Form 990-PF.
Where does Donald and Mary Kosch Foundation give grants?
Donald and Mary Kosch Foundation gives mostly in Michigan: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Dearborn, MI (4 grants).
Does Donald and Mary Kosch Foundation give general operating support?
Not in 2025: none of the 4 grants with a stated purpose on Donald and Mary Kosch Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Donor Advised Gift Fund" (4 grants).
How do I apply for a grant from Donald and Mary Kosch Foundation?
Donald and Mary Kosch Foundation has no public application process in the sources Grantable reviewed. Check donaldmarykoschfoundation.com for current guidelines, or contact the foundation directly before submitting a request.
How much is Donald and Mary Kosch Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2025, Donald and Mary Kosch Foundation reported a distributable amount of $37K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Donald and Mary Kosch Foundation's EIN?
Donald and Mary Kosch Foundation's EIN (Employer Identification Number) is 38-3147426. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS October 8, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 9, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS October 31, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS November 11, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS July 17, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS November 24, 2025)
- IRS filings on file for fiscal years 2020–2025
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