The Hillside Foundation Inc
Invitation OnlyWashington, District of Columbia · EIN 20-2787879 · Private foundation
Half of its grants to organizations were between $250,000 and $500,000.
How to apply
On its return for tax year 2024 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
50% of grants went outside District of Columbia.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Smithsonian Institution | Washington, DC | To support the nash innovations gallery | $1,166,667 |
| Island Grown Initiative | Vineyard Haven, MA | To support updates to the greenhouse | $1,000,000 |
| DC Greens | Washington, DC | To support nutritional and wellness needs of patients in d.c. | $500,000 |
| UC Berkley Foundation | Berkeley, CA | To support the haas climate solutions fund | $500,000 |
| Syngap Research Fund | Palo Alto, CA | To support the exempt purpose of the organization | $455,000 |
| Johns Hopkins University | Baltimore, MD | To support the wilmer eye institute | $277,627 |
| United States Holocaust Museum | Washington, DC | To support the never again: what you do matters campaign | $250,000 |
| The Defiant Requiem Foundation | Washington, DC | To preserve the memory and legacy of terezin prisoners during wwii | $25,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $4,174,294 | 8 |
| 2023 | $7,233,333 | 10 |
Sources
- IRS Form 990-PF, tax year 2024, filed May 14, 2025 - IRS e-file batch, object ID 202501349349101750
- IRS Tax Exempt Organization Search for EIN 20-2787879
- Profile updated Nov 7, 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.