The W A Mueller Foundation
Invitation OnlySan Clemente, California · EIN 26-2548148 · Private foundation
Half of its grants to organizations were between $300 and $750.
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
81% of grants went outside California.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Prager University Foundation | Sherman Oaks, CA | Donation | $1,000 |
| LA County Benefit Welfare Foundatio | Vernon, CA | Donation | $1,000 |
| The Heritage Foundation | Washington, DC | Donation | $1,000 |
| Mutts with a Mission | Suffolk, VA | Donation | $750 |
| Project K-9 Hero | Frederick, MD | Donation | $750 |
| Irondog K9 International | Merrifield, VA | Donation | $750 |
| Prision Fellowship Ministries | Merrifield, VA | Donation | $505 |
| Wounded Warriors Project | Jacksonville, FL | Donation | $500 |
| Heritage Foundation | Wsahington DC, DC | Donation | $500 |
| Choc Foundation | Orange, CA | Donation | $500 |
| Leukemia Lymphoma Society | Washington, DC | Donation | $500 |
| Alliance Defending Freedom ADF | Scottsdale, AZ | Donation | $500 |
| US Deputy Sherriff's Association US | Merrifield, VA | Donation | $300 |
| American Majority Inc | Merrifield, VA | Donation | $150 |
| American Farmland Trust | Topeka, KS | Donation | $100 |
| The Conservative Caucus Foundation | Houston, TX | Donation | $100 |
The return also lists 18 grants to individuals ($22,980). We do not publish the names of individual recipients.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $31,885 | 34 |
| 2024 | $30,005 | 42 |
| 2023 | $26,500 | 30 |
Sources
- IRS Form 990-PF, tax year 2025, filed Aug 27, 2026 - IRS e-file batch, object ID 202612389349100621
- IRS Tax Exempt Organization Search for EIN 26-2548148
- 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.