Data / Foundation grants / The Koehler Mahlstedt Family Foundation
The Koehler Mahlstedt Family Foundation: 13 grants to organizations, $282,250 (tax year ended December 2025)
The Koehler Mahlstedt Family Foundation, a private foundation in Incline Village, NV, paid 13 grants to organizations totaling $282,250 in its tax year ended December 2025, according to its Form 990-PF filed with the IRS on August 4, 2026. The largest was $75,000 to McCallum Theatre Foundation Inc in Palm Desert, CA for general support.
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- EIN
- 371751439
- Based in
- Incline Village, NV
- Assets
- $5,128,417
- Grants paid
- $282,250
- Tax year ended
- December 2025
Grants paid, tax year ended December 2025
From the Form 990-PF filed August 4, 2026, IRS object ID 202602169349100750. It reported $282,250 in grants paid; 13 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| McCallum Theatre Foundation Inc | Palm Desert, CA | General support | Arts, culture and humanities | $75,000 | apps.irs.gov |
| Myriad USA Inc | New York, NY | General support | International, foreign affairs and national security | $50,250 | apps.irs.gov |
| Armand Hammer United World College of the American West (uwc - USA) | Montezuma, NM | General support | $37,000 | apps.irs.gov | |
| Save the Redwoods League | San Francisco, CA | General support | Environment | $25,000 | apps.irs.gov |
| Clean Up the Cayes (dba - Clean Up the Lake) | Stateline, NV | General support | $15,000 | apps.irs.gov | |
| Saint James School | Hagerstown, MD | General support | Education | $15,000 | apps.irs.gov |
| American Friends of Our Armed Forces | Westmont, IL | General support | Public and societal benefit | $10,000 | apps.irs.gov |
| Dhody Research Institute | Oreland, PA | General support | Science and technology | $10,000 | apps.irs.gov |
| Positivi-Tee Inc | Denver, CO | General support | Public and societal benefit | $10,000 | apps.irs.gov |
| Scripps Health | San Diego, CA | General support | Health care | $10,000 | apps.irs.gov |
| The Living Desert | Palm Desert, CA | General support | Environment | $10,000 | apps.irs.gov |
| Volunteer Centers of Santa Cruz County | Santa Cruz, CA | General support | $10,000 | apps.irs.gov | |
| Southern California Labrador Retriever Rescue | Torrance, CA | General support | Animal-related | $5,000 | apps.irs.gov |
Grants paid, tax year ended December 2024
From the Form 990-PF filed June 12, 2025, IRS object ID 202531639349100728. It reported $165,000 in grants paid; 8 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| United World College USA | Montezuma, NM | Educational | $55,000 | apps.irs.gov | |
| San Diego Humane Society | San Diego, CA | Animal welfare | $27,000 | apps.irs.gov | |
| Saint James School | Hagerstown, MD | Education | Education | $25,000 | apps.irs.gov |
| Save the Redwoods | San Francisco, CA | Environmental support | $25,000 | apps.irs.gov | |
| Clean Up the Lake | Incline Village, NV | Environmental dive | $15,000 | apps.irs.gov | |
| The Living Desert | Palm Desert, CA | Desert plants and animal care | Environment | $10,000 | apps.irs.gov |
| Southern California Labrador Retriever Rescue | Torrance, CA | Animal rescue | Animal-related | $6,000 | apps.irs.gov |
| Eddy House | Reno, NV | Youth support and shelter | Human services | $2,000 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Arts, culture and humanities | $75,000 |
| International, foreign affairs and national security | $50,250 |
| Environment | $45,000 |
| Education | $40,000 |
| Public and societal benefit | $20,000 |
| Animal-related | $11,000 |
| Science and technology | $10,000 |
| Health care | $10,000 |
States funded
| Recipient state | Granted |
|---|---|
| California | $203,000 |
| New Mexico | $92,000 |
| New York | $50,250 |
| Maryland | $40,000 |
| Nevada | $32,000 |
| Illinois | $10,000 |
| Pennsylvania | $10,000 |
| Colorado | $10,000 |
Also on SpecStream
- Who funds arts, culture and humanities in California
- Who funds international, foreign affairs and national security in New York
- Who funds environment in California
- Who funds education in Maryland
- Who funds animal-related in California
- Who funds public and societal benefit in Illinois
Updated August 4, 2026. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.