The Mousetrap Foundation
Historical FunderReston, Virginia · EIN 52-2285383 · Private foundation
Half of its grants to organizations were between $50,000 and $125,000.
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2024):
| Contact | STERLING FOUNDATION MANAGEMENT LLC |
|---|---|
| Address | 12030 SUNRISE VALLEY DR STE 450, RESTON VA 20191 |
| Phone | 7034379720 |
| Form and materials | NONE PRESCRIBED |
| Deadlines | NONE |
| Restrictions | RECOGNIZED SECTION 501(C)(3) CHARITABLE ORGANIZATIONS ONLY |
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
68% of grants went outside Virginia.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Howard University | Washington, DC | General support | $220,946 |
| Stanford Law School | Stanford, CA | General support | $200,000 |
| Georgetown University Law Center | Washington, DC | General support | $150,000 |
| Ayuda Inc | Washington, DC | General support | $125,000 |
| Piedmont Environmental Council | Warrenton, VA | General support | $125,000 |
| The Fauquier Free Clinic | Warrenton, VA | General support | $100,000 |
| Best Buddies | Falls Church, VA | General support | $100,000 |
| National Museum | Washington, DC | General support | $100,000 |
| Ford's Theatre | Washington, DC | General support | $60,000 |
| Fenwick Foundation | Arlington, VA | General support | $50,000 |
| Glacier National Park Conservancy | Columbia Falls, MT | General support | $50,000 |
| University of Virginia | Charlottesville, VA | General support | $50,000 |
| University of Michigan | Ann Arbor, MI | General support | $50,000 |
| Carroll Child Care | Westminster, MD | General support | $25,000 |
| Westminster Presbyterian Church | Chehalis, WA | General support | $20,000 |
| The Chehalis Foundation | Chehalis, WA | General support | $5,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $1,430,946 | 16 |
| 2023 | $1,754,399 | 37 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 17, 2025 - IRS e-file batch, object ID 202513219349102401
- IRS Tax Exempt Organization Search for EIN 52-2285383
- 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.