Private foundation · EIN 26-2535107
Third Street Foundation
Portsmouth, NH
Third Street Foundation is a private foundation based in Portsmouth, NH. On its Form 990-PF for tax year 2025, it reported $124K in grants and contributions paid across 30 grants, with $1.32M in assets (fair market value). It reports that it gives only to preselected charitable organizations and does not accept unsolicited requests for funds. Its largest grants went to St Paul's School, Boston Area Gleaners and Harvard College.
How to request funding
Gives only to preselected organizations. On its Form 990-PF, this foundation checked the box saying it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Relationships and invitations usually come first.
As reported on the foundation's Form 990-PF for tax year 2025. Requirements change; confirm with the foundation before applying.
Largest grants, tax year 2025
Historical data · not a prediction| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| St Paul's School | Concord, MA | General Support | $16,000 |
| Boston Area Gleaners | Acton, MA | General Support | $11,500 |
| Harvard College | Cambridge, MA | Harvard College and Harvard Graduate School of Education | $11,000 |
| Corning Museum of Glass | Corning, NY | General Support | $10,000 |
| Waterfront Alliance | New York, NE | General Support | $10,000 |
| Open Table | Concord, MA | General Support | $6,500 |
| Christ Episcopal Church | Corning, NE | General Support | $5,000 |
| Groton Hill Music Center | Groton, MA | General Support | $5,000 |
| Doctors Without Borders | Hagerstown, MD | General Support | $4,000 |
| Equal Justice Initiative | Montgomery, AL | General Support | $4,000 |
| Planned Parenthood Federation of America | New York, NY | General Support | $4,000 |
| World Central Kitchen | Washington, DC | General Support | $4,000 |
| Partners in Health | Boston, MA | General Support | $3,000 |
| Pine Street Inn | Boston, MA | General Support | $3,000 |
| Rosie's Place | Boston, MA | General Support | $3,000 |
| Save the Children | Fairfield, CT | General Support | $3,000 |
| Unicef USA | New York, NY | General Support | $3,000 |
| Habitat for Humanity International | Americus, GA | General Support | $2,000 |
| Household Goods Inc | Acton, MA | General Support | $2,000 |
| Human Rights Campaign Foundation | Washington, DC | General Support | $2,000 |
| Bampa's House | Corning, NY | General Support | $2,000 |
| Fund for Women of the Southern Tier | Corning, NE | General Support | $2,000 |
| Acton Conservation Trust | Acton, MA | General Support | $1,000 |
| The Farm School | Athol, MA | General Support | $1,000 |
| Acton Food Pantry Inc | Boston, ME | General Support | $1,000 |
The 25 largest of 30 grants listed on the return. Names and purposes as reported to the IRS.
Where its grants went
Quick answers
Does Third Street Foundation accept grant applications?
According to its Form 990-PF for tax year 2025, Third Street Foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
How much does Third Street Foundation give each year?
For tax year 2025, it reported $124,000 in grants and contributions paid (30 grants). Giving can change from year to year.
What organizations has Third Street Foundation funded?
Its largest grants in tax year 2025 went to St Paul's School (MA), $16K, Boston Area Gleaners (MA), $11.5K, Harvard College (MA), $11K, Corning Museum of Glass (NY), $10K and Waterfront Alliance (NE), $10K.