Dan and Terese Heintzelman Family Foundation Inc
Invitation OnlyWinchester, Massachusetts · EIN 46-5615275 · Private foundation
Grants paid (2025)$590K
Organizations funded21
Typical grant$2,053
Total assets$4.4M
Half of its grants to organizations were between $1,000 and $35,000.
From the return
How to apply
On its return for tax year 2025 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 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Park City Education Foundation | Park City, UT | Project/Program support | $200,000 |
| Park City Community Foundation | Park City, UT | Program /project support | $150,000 |
| Egyptian Theater | Park City, UT | Program /project support | $60,000 |
| The People Health Clinic | Park City, UT | Program/ project support | $50,107 |
| Clarkson University | Potsdam, NY | Scholarships for eight students | $50,000 |
| Kpcw Broadcasters Club | Park City, UT | Program /project support | $35,000 |
| Association to Preserve Cape Cod | Dennis, MA | Program /project support | $10,000 |
| Community Servings Inc | Jamaica Plain, MA | Program /project support | $10,000 |
| Mgh Fund | Boston, MA | Program /project support | $10,000 |
| Italian-American Charity Golf Assoc | Jamestown, NY | Program /project support | $2,500 |
| Pan-Massachusetts Challenge Inc | Needham, MA | Program/Project support | $2,053 |
| Brewster Whitecaps | Brewster, MA | Program /project support | $2,000 |
| Community Hope | Parsippany, NJ | Program/Project support | $1,054 |
| Globe Santa Fund Trust | Randolph, MA | Program /project support | $1,000 |
| Hunnewell Elementary School | Wellesley, MA | Program/ project support | $1,000 |
| March of Dimes | Arlington, VA | Program/Project support | $1,000 |
| Winchester Cooperative Nursery School | Dennis, MA | Program /project support | $1,000 |
| Brigham and Women's Hosital | Boston, MA | Program / project support | $1,000 |
| San Francisco AIDS Foundation | San Francisco, CA | Program/Project support | $1,000 |
| Lincoln School | Lincoln, CA | Program/ project support | $500 |
| World Ocean School | Boston, MA | Project/Program support | $500 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $589,714 | 21 |
| 2024 | $353,500 | 19 |
| 2023 | $539,053 | 17 |
Sources
- IRS Form 990-PF, tax year 2025, filed Jun 26, 2026 - IRS e-file batch, object ID 202601779349101005
- IRS Tax Exempt Organization Search for EIN 46-5615275
- 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.