The Florence S Mahoney Foundation
Historical FunderWashington, District of Columbia · EIN 52-1854092 · Private foundation
Half of its grants to organizations were between $5,000 and $5,000.
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2025):
| Contact | CORINNE ANTLEY |
|---|---|
| Address | 2001 L STREET NW 500, WASHINGTON DC 20036 |
| Phone | 2022497390 |
| cantley@antleylopez.com | |
| Form and materials | WRITTEN REQUEST |
| 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
95% of grants went outside District of Columbia.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Napa Valley Farmworkers Foundation | Napa, CA | Education, housing, general assistance | $10,000 |
| Physician's Committee for Responsib | Washington, DC | Education re plant-based diets | $6,000 |
| Sawtooth Valley Rural Fire District | Stanley, ID | Support fire-fighting & fire prevention | $6,000 |
| Adult Resource Alliance of Yellowst | Billings, MT | Meals on wheels | $5,000 |
| Bozeman Senior Social Center | Bozeman, MT | Meals on wheels | $5,000 |
| The Esselstyn Family Foundation | Pepper Pike, OH | Support research-based nutrition | $5,000 |
| Hobe Sound Child Care Inc | Hobe Sound, FL | Affordable early education | $5,000 |
| The Salmon River Clinic | Stanley, ID | The Salmon River Clinic and Stanley Ambulance are operated by the Salmon River Clinic Hospital District, a hospital district in Custer… | $5,000 |
| The Stanley School Parents Associat | Stanley, ID | Unfunded educational needs | $5,000 |
| Uca San Francisco Foundation | San Francisco, CA | Fund ms research by ucsf | $5,000 |
| Wet Noses Rescue | Snoqualmie, WA | Animal rescue, spay/neuter, and rehoming | $5,000 |
| Big Timber Community Foodbank | Big Timber, MT | Provide food to needy people in the big timber/sweet grass county, mt area | $5,000 |
| YWCA | Billings, MT | Women's resource center | $5,000 |
| El Camino Homeless Organization | Atascadero, CA | Shelter for homeless individuals | $5,000 |
| Friends of the Charles Paddock Zoo | Atascadero, CA | Support of the central coast zoo | $5,000 |
| Woods Humane Society | San Luis Obispo, CA | Animal rescue, spay/neuter, rehoming | $5,000 |
| World Bicycle Relief | Chicago, IL | Providing bicycles to needy people globally | $5,000 |
| Jupiter Medical Center Foundation I | Jupiter, FL | Support jupiter medical center | $5,000 |
| Dana-Farber Cancer Institute | Boston, MA | Fund cancer-related medical research and care | $5,000 |
| Boys and Girls Club of Martin Count | Hobe Sound, FL | Sponsor boys and girls clubs | $1,000 |
| Conservation Fund | Arlington, VA | Loxa-Lucie environmental initiative | $1,000 |
| Hobe Sound Community Chest | Hobe Sound, FL | Needy residents of hobe sound | $1,000 |
| Jupiter Island Medical Clinic Inc | Hobe Sound, FL | Medical care for needy | $1,000 |
The return also lists 8 grants to individuals ($44,000). We do not publish the names of individual recipients.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $150,000 | 31 |
| 2024 | $160,000 | 27 |
| 2023 | $135,000 | 27 |
Sources
- IRS Form 990-PF, tax year 2025, filed Jun 29, 2026 - IRS e-file batch, object ID 202601809349100805
- IRS Tax Exempt Organization Search for EIN 52-1854092
- Profile updated Nov 5, 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.