The Jon and Marcia Kinzenbaw Foundation Inc
Historical FunderWilliamsburg, Iowa · EIN 20-5096137 · Private foundation
Grants paid (2025)$575K
Organizations funded1
Typical grant$575,000
Total assets$12.2M
Half of its grants to organizations were between $575,000 and $575,000.
From the return
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2025):
| Contact | MARCIA A KINZENBAW |
|---|---|
| Address | PO BOX 852, WILLIAMSBURG IA 52361 |
| Phone | 3196682787 |
| Form and materials | NO FORMAL APPLICATION REQUIRED. PROVIDE YOUR PURPOSE AND PROOF OF YOUR 501(C)(3) STATUS. |
| Deadlines | NONE |
| Restrictions | FOCUS ON FUNDING CHARITABLE ACTIVITIES IN IOWA, ALTHOUGH THIS WILL NOT PRECLUDE GRANTS TO GOOD CAUSES OUTSIDE OF THIS AREA. |
Copied as filed. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.
Where it gives
0% of grants went outside Iowa.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Hills Bank Donor Advised Fund | North Liberty, IA | Future designations | $575,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $575,000 | 1 |
| 2024 | $550,000 | 1 |
| 2023 | $500,000 | 1 |
Sources
- IRS Form 990-PF, tax year 2025, filed Mar 3, 2026 - IRS e-file batch, object ID 202630629349100128
- IRS Tax Exempt Organization Search for EIN 20-5096137
- Profile updated Nov 7, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.