Dorothy Harmsen and Bill Harmsen Sr Charitable Foundation
Invitation OnlyTucson, Arizona · EIN 20-2210574 · Private foundation
Grants paid (2025)$860K
Organizations funded3
Typical grant$350,000
Total assets$111K
Half of its grants to organizations were between $10,000 and $500,000.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
0% of grants went outside Arizona.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| University of Arizona Foundation | Tucson, AZ | To assist the organization | $500,000 |
| Steele Childrens Research Centerua Foun | Tucson, AZ | To assist the organization | $350,000 |
| Tucson Cancer Conquerors | Tucson, AZ | To assist the organization | $10,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $860,000 | 3 |
| 2024 | $837,000 | 17 |
| 2023 | $435,000 | 18 |
Sources
- IRS Form 990-PF, tax year 2025, filed Aug 31, 2026 - IRS e-file batch, object ID 202612439349100016
- IRS Tax Exempt Organization Search for EIN 20-2210574
- Profile updated Nov 6, 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.