Rubblestone Foundation
Invitation OnlyJamaica Plain, Massachusetts · EIN 04-3467104 · Private foundation
Grants paid (2024)$32K
Organizations funded25
Typical grant$500
Total assets$848K
Half of its grants to organizations were between $250 and $1,750.
From the return
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
52% of grants went outside Massachusetts.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Mspca | Jamaica Plain, MA | Charitable | $6,000 |
| Generations Music for Justice | Charlotte, NC | Charitable | $5,000 |
| Mother Jones | Big Sandy, TX | Charitable | $3,500 |
| Mount Holyoke College | South Hadley, MA | Charitable | $2,500 |
| Union of Concerned Scientists | Cambridge, MA | Charitable | $2,100 |
| Mass Law Reform Institute | Boston, MA | Charitable | $2,000 |
| Story of Stuff Project | Berkeley, CA | Charitable | $1,750 |
| Bbmc Charitable and Education Fund | Roxbury Crossing, MA | Charitable | $1,500 |
| Earth Justice | San Francisco, CA | Charitable | $1,000 |
| Emerald Necklace Conservancy | Boston, MA | Charitable | $1,000 |
| Best Friends Animal Society | Kanab, UT | Charitable | $1,000 |
| Friendshipworks | Boston, MA | Charitable | $1,000 |
| Pan Mass Challenge | Needham, MA | Charitable | $500 |
| Dsa Fund | New York, NY | Charitable | $500 |
| Jamaica Plain Tuesday Club | Jamaica Plain, MA | Charitable | $500 |
| Boston Health Care for the Homeless | Boston, MA | Charitable | $250 |
| Institute for Policy Studies | Roslindale, MA | Charitable | $250 |
| Chesapeake Climate Action Network | Takoma Park, MD | Charitable | $250 |
| Multiple Myeloma Research Fndn | Norwalk, CT | Charitable | $250 |
| Physicians Comm for Responsible Medicine | Washington, DC | Charitable | $250 |
| Wikimedia Foundation | San Francisco, CA | Charitable | $100 |
| Bethlehem Redevelopment Assoc | Bethlehem, PA | Charitable | $100 |
| Schooner Adventure Inc | Gloucester, MA | Charitable | $100 |
| University of Washington | Seattle, WA | Charitable | $100 |
| No-Kill Advocacy Center | Canyon, CA | Charitable | $45 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $31,545 | 25 |
| 2023 | $31,724 | 14 |
Sources
- IRS Form 990-PF, tax year 2024, filed May 14, 2025 - IRS e-file batch, object ID 202521349349103022
- IRS Tax Exempt Organization Search for EIN 04-3467104
- 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.