David Greenewalt Charitable Trust Geoffrey M Mason Trustee
Historical FunderBoston, Massachusetts · EIN 04-6145922 · Private foundation
Half of its grants to organizations were between $5,000 and $10,000.
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2025):
| Contact | Geoffrey M Mason Trustee |
|---|---|
| Address | c/o Choate Hall Stewart LLP Two, Intl PLace, Boston MA 02110 |
| Phone | 6172484784 |
| gmason@choate.com | |
| Form and materials | AGM Format is acceptable. Include information on the nature of the charitable service, your IRS letter of tax-exempt status, 2 most recent years annual financial reports, and a description and budget for the proposed project to be funded. Email or mail application and all attachments/enclosures. |
| Deadlines | Generally May 15 and November 1 (subject to change each year) |
| Restrictions | There are no restrictions or limitations on awards. |
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
76% of grants went outside Massachusetts.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Middlebury Studio School | Middlebury, VT | General Support | $20,000 |
| Addison Housing Works | Vergennes, VT | General Support | $10,000 |
| AnikayAkhra Inc | Somerville, MA | General Support | $10,000 |
| Middlebury Community Music Center | Middlebury, VT | General Support | $10,000 |
| Open Door Clinic | Middlebury, VT | General Support | $10,000 |
| Stroud Water Research Center Inc | Avondale, PA | General Support | $10,000 |
| Carlos G Otis Health Care Center | Townshend, VT | General Support | $7,500 |
| Central Vermont Adult Basic Education Inc | Barre, VT | General Support | $5,000 |
| Common Roots Inc | South Burlington, VT | General Support | $5,000 |
| Fairbanks Museum | Johnsbury, VT | General Support | $5,000 |
| Harvard University | Cambridge, MA | General Support | $5,000 |
| Epsilon Spires | Brattleboro, VT | General Support | $2,500 |
| Musicians of Old Post Road Inc | Weston, MA | General Support | $2,500 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $102,500 | 13 |
| 2024 | $105,000 | 14 |
| 2023 | $85,000 | 13 |
Sources
- IRS Form 990-PF, tax year 2025, filed Feb 13, 2026 - IRS e-file batch, object ID 202640449349100334
- IRS Tax Exempt Organization Search for EIN 04-6145922
- 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.