Third Street Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in PORTSMOUTH, NH. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $1.4M in total assets. In 2024, it awarded 21 grants totaling $149K. Net investment income was $54K.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$1.4M
-3.6% YoY
Annual Giving
$149K
+10.4% YoY
Grant Count
21
+0.0% YoY
Avg Grant Size
$7K
+10.4% YoY
Under IRS private-foundation payout rules, Third Street Foundation reported a distributable amount of $71K for 2024 — the minimum it must pay out in qualifying distributions.
About Third Street Foundation
Based on IRS filings
Third Street Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in PORTSMOUTH, NH. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $1.4M in total assets. In 2024, it awarded 21 grants totaling $149K. Net investment income was $54K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $1,422,614 | $1,475,487 | $205,818 |
| Revenue | $112,939 | $1,414,580 | $82,776 |
| Expenses | $165,812 | $144,911 | $81,225 |
| Qualifying Distributions | $149,000 | $135,000 | $79,000 |
| Net Investment Income | $53,597 | $50,181 | $601 |
| Distributable Amount | $70,825 | $63,439 | $11,438 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
97 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Harvard College ($66,000), Corning Museum of Glass ($35,000), St Hilda's & St Hugh's School ($5,000).
| Recipient | Purpose | Amount |
|---|---|---|
| HARVARD COLLEGE CAMBRIDGE, MA | HARVARD COLLEGE, HARVARD BUSINESS SCHOOL, HARVARD GRADUATE SCHOOL OF EDUCATION | $66,000 |
| ST PAUL'S SCHOOL CONCORD, MA | GENERAL SUPPORT | $2,000 |
| CORNING MUSEUM OF GLASS CORNING, NY | GENERAL SUPPORT | $35,000 |
| ACTON CONSERVATION TRUST ACTON, MA | GENERAL SUPPORT | $1,000 |
| DOCTORS WITHOUT BORDERS HAGERSTOWN, MD | GENERAL SUPPORT | $4,000 |
| BOSTON AREA GLEANERS ACTON, MA | GENERAL SUPPORT | $1,000 |
| EQUAL JUSTICE INITIATIVE MONTGOMERY, AL | GENERAL SUPPORT | $3,000 |
| GREEN INSPIRED ART 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 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| K QUINCY HOUGHTON | TREASURER | 0.25 | — |
| SARAH HOUGHTON | Secretary | 0.25 | — |
| ROBERT W HOUGHTON | President | 0.5 | — |
| AMORY HOUGHTON III | Vice President | 0.25 | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Third Street Foundation?
Third Street Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in PORTSMOUTH, NH. It holds $1.4M in total assets as of 2024.
How large is Third Street Foundation?
As of 2024, Third Street Foundation holds $1.4M in total assets with $113K in annual revenue. It awarded 21 grants totaling $149K in 2024.
Where does Third Street Foundation operate?
Third Street Foundation has awarded grants in Alabama, California, Connecticut, District of Columbia, Georgia, Massachusetts, Maryland, Maine, Missouri, New Hampshire, New Jersey, New York.
What size grants does Third Street Foundation award?
In 2024, Third Street Foundation awarded 21 grants totaling $149K — an average of about $7K per grant, based on its IRS Form 990 filings.
How much is Third Street Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, Third Street Foundation reported a distributable amount of $71K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Third Street Foundation's EIN?
Third Street Foundation's EIN (Employer Identification Number) is 26-2535107. IRS Form 990 filing data is available on this page for 2020–2024.
Explore Open Grants
Browse active grant opportunities in Third Street Foundation's focus areas in our free grants database
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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