The Koehler Mahlstedt Family Foundation
Historical FunderIncline Village, Nevada · EIN 37-1751439 · Private foundation
Half of its grants to organizations were between $10,000 and $25,000.
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2025):
| Contact | DOUGLAS P MAHLSTEDT |
|---|---|
| Address | 1429 TIROL DRIVE, INCLINE VILLAGE NV 89451 |
| Phone | 7752987635 |
| Form and materials | WRITTEN APPLICATION |
| Deadlines | NONE |
| Restrictions | NONE |
Copied as filed. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
92% of grants went outside Nevada.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Mccallum Theatre Foundation Inc | Palm Desert, CA | General support | $75,000 |
| Myriad USA Inc | New York, NY | General support | $50,250 |
| Armand Hammer United World College of the American West (Uwc - USA) | Montezuma, NM | General support | $37,000 |
| Save the Redwoods League | San Francisco, CA | General support | $25,000 |
| Clean Up the Cayes (Dba - Clean Up the Lake) | Stateline, NV | General support | $15,000 |
| Saint James School | Hagerstown, MD | General support | $15,000 |
| American Friends of Our Armed Forces | Westmont, IL | General support | $10,000 |
| Dhody Research Institute | Oreland, PA | General support | $10,000 |
| Positivi-Tee Inc | Denver, CO | General support | $10,000 |
| Scripps Health | San Diego, CA | General support | $10,000 |
| The Living Desert | Palm Desert, CA | General support | $10,000 |
| Volunteer Centers of Santa Cruz County | Santa Cruz, CA | General support | $10,000 |
| Southern California Labrador Retriever Rescue | Torrance, CA | General support | $5,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $282,250 | 13 |
| 2024 | $165,000 | 8 |
| 2023 | $168,350 | 11 |
Sources
- IRS Form 990-PF, tax year 2025, filed Aug 4, 2026 - IRS e-file batch, object ID 202602169349100750
- IRS Tax Exempt Organization Search for EIN 37-1751439
- 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.