Tremont Street Foundation Inc
Tremont Street Foundation Inc is a private foundation based in Boston, Massachusetts. Its 2025 filing reports grants to charitable organizations in areas including recreation, education, health, social services, arts, and community farming.
Tremont Street Foundation Inc at a glance
In short: Tremont Street Foundation Inc gave $73K across 28 grants in 2025 (avg $3K), mostly in Massachusetts. 64% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $73,070
- +27.6% vs 2024
- Grants made (2025)
- 28
- +75.0% vs 2024
- Average grant
- $2,610
- -27.1% vs 2024
- Median grant
- $1,000
- Total assets
- $558,076
- -5.4% vs 2024
- New grantees (estimate)
- 64% first-time grantees (18 of 28, 2025)
- Primary geography
- Massachusetts (62% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Tremont Street Foundation Inc
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: 21 Custom House St 5Th Fl, Boston, MA 02110
Phone: (617) 227-0600
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Tremont Street Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Watuppa Rowing Center ($25K). Together the top 10 received $58K.
Grant Size Distribution
103 grants across all recorded years
The most common grant size was under $50K: 103 grants of 103 (100%).
Geographic Focus
Where this funder awards grants
In 2025, 62% of grant dollars went to recipients in Massachusetts, 18% to Vermont, 7% to Pennsylvania, and 6% to New Hampshire. The filing also reports 7% for an unidentified recipient state.
Grant Distribution by State
Share of 2025 grant dollars across all 28 itemized grants.
Cities
Is Tremont Street Foundation Inc open to new grantees?
64%
first-time grantees, 2025
In 2025, 18 of 28 grantees (64%) were first-time recipients. First grants averaged $2K; repeat grants $5K. How we count
Medians: $1K first-time, $1K repeat.
- 29% of 2025 grantees were also funded in 2024. Method
- Giving grew 56% from 2022 to 2025. Method
- In 2025 it paid out 123% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $41K (2019) to $73K (2025). In 2025 it made 28 grants totaling $73K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Watuppa Rowing Center Fall River, MA | Recreational | $25,000 |
| Concrete Foundation Craftsbury Common, VT | Rowingrecreatioal | $5,070 |
| Belmont Hill School Belmont, MA | Educational | $5,000 |
| Dusu Housing | Housinghousing | $5,000 |
| The Gold Cup Challenge Foundation Bryn Mawr, PA | SOCIAL | $5,000 |
| Newhall Fields Community Farm Peabody, MA | Community Farming | $4,500 |
| Uvrf Hanover, NH | Recreational | $2,500 |
| D-HHTHE Prouty Lebanom, NH | Recreational and Health | $2,000 |
| Dana Farber Boston, MA | HEALTH | $2,000 |
| McClean Hospital Belmont, MA | Social and Healty | $2,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $558,076 | $60,915 | $92,462 | $73,070 | 28 | $78,901 | $49,209 | $64,009 |
| 2024 | $589,623 | $106,953 | $75,475 | $57,250 | 16 | $62,850 | $106,980 | $56,529 |
| 2023 | $558,145 | $79,333 | $82,615 | $67,250 | 21 | $72,186 | $68,899 | $47,608 |
| 2022 | $561,424 | $85,301 | $62,276 | $46,750 | 19 | $51,648 | $76,019 | $46,513 |
| 2021 | $538,399 | $96,619 | $71,777 | $57,250 | 19 | $62,116 | $86,958 | $47,512 |
| 2020 | $513,557 | $81,697 | $62,791 | $50,000 | 22 | — | $76,749 | $38,137 |
| 2019 | $494,651 | $16,919 | $58,329 | $40,500 | 26 | — | $15,395 | $38,145 |
Under IRS private-foundation payout rules, Tremont Street Foundation Inc reported a distributable amount of $64K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2025 grants include support for schools, rowing and other recreational organizations, health institutions, arts organizations, and community farms. The grantees describe their own missions in varied terms: Watuppa Rowing Center says it teaches low-income teens to row and builds a strong rowing community; Newhall Fields Community Farm received support, and The Food Project describes its mission as building a sustainable food system with youth and adults from diverse backgrounds. The Boston Symphony Orchestra describes its mission as making music and providing educational and training programs. These are grantees’ stated missions, not the foundation’s.
Grantmaking
In 2025, the foundation reported 28 grants totaling $73,070. Grants ranged from $500 to $25,000, with a median of $1,000. Notable grants included $25,000 to Watuppa Rowing Center, $5,070 to Concrete Foundation, $5,000 each to Belmont Hill School, DUSU Housing, and The Gold Cup Challenge Foundation, and $4,500 to Newhall Fields Community Farm. Other recipients included Dana-Farber ($2,000), McLean Hospital ($2,000), and the Boston Symphony Orchestra ($1,000).
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Thomas W. Darling as president and director; Henry P. Phippen as secretary, clerk, and director; William H. Darling as director; and Lia Darling as vice-president, treasurer, and director.
Tremont Street Foundation Inc is led by Thomas W. Darling, President & Director since 2021 (on filings since 2019); none of the 4 officers listed in 2025 report compensation.
Officers on the 2025 filing
Thomas W. Darling
President & Director
President → President & Director, 2021
On filings since 2019
2 hrs/week
No compensation reported
Henry P. Phippen
Secretary, Clerk & Director
Secretary & Clerk → Secretary, Clerk & Director, 2021
On filings since 2019
2 hrs/week
No compensation reported
William H. Darling
Director
On filings since 2019
0.3 hrs/week
No compensation reported
Lia Darling
Vice President, Treasurer & Director
New on the 2025 filing
0.3 hrs/week
No compensation reported
Former officers (2)
- Former: Jillian H. Darling (2019–2024) — Vice President, Treasurer & Director
- Former: Nelson J. Darling Jr. (2019) — Director
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Tremont Street Foundation Inc
How much does Tremont Street Foundation Inc give each year?
Tremont Street Foundation Inc gave $73K across 28 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $57K across 16 grants.
What is Tremont Street Foundation Inc's typical grant size?
Tremont Street Foundation Inc's median grant in 2025 was $1,000, and its average grant was $2,610, across 28 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Tremont Street Foundation Inc that year got $2K on average.
Where does Tremont Street Foundation Inc give grants?
Tremont Street Foundation Inc gives mostly in Massachusetts: 62% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Vermont (18%) and Pennsylvania (7%). The most frequent recipient cities were Burlington, VT (8 grants), Boston, MA (4 grants), Belmont, MA (2 grants) and Waterbury, VT (2 grants).
Does Tremont Street Foundation Inc give general operating support?
Not in 2025: none of the 28 grants with a stated purpose on Tremont Street Foundation Inc's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Recreational" (5 grants), "Educational" (4 grants) and "Health" (4 grants).
Who are Tremont Street Foundation Inc's largest grantees?
Tremont Street Foundation Inc's largest 2025 grantees include Watuppa Rowing Center ($25,000), Concrete Foundation ($5,070) and Belmont Hill School ($5,000), according to its 2025 IRS Form 990-PF. Together they received 48% of its itemized 2025 grant dollars.
How large is Tremont Street Foundation Inc?
Tremont Street Foundation Inc reported $558K in total assets on its 2025 IRS Form 990-PF. It paid out $79K in qualifying distributions that year, against a required minimum of $64K (roughly 5% of its investment assets).
What does Tremont Street Foundation Inc fund?
No mission statement for the foundation is provided. Its 2025 grants include support for schools, rowing and other recreational organizations, health institutions, arts organizations, and community farms. See mission & focus areas ↑
How do I apply for a grant from Tremont Street Foundation Inc?
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Tremont Street Foundation Inc's EIN?
Tremont Street Foundation Inc's EIN (Employer Identification Number) is 04-3020460. IRS Form 990 filing data is available on this page for 2019–2025.
Does Tremont Street Foundation Inc accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 6, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS May 12, 2026)
- Added Form 990-PF for fiscal year 2019 (received by the IRS June 22, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 10, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 16, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 12, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 9, 2024)
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Cite this profile
Grantable. (2026). Tremont Street Foundation Inc funder profile. GrantGraph. Retrieved October 20, 2026, from https://grantable.co/funders/tremont-street-foundation-inc-morg_b4ec4195254948388bcf79f90ae4b638
BibTeX
@misc{grantable_043020460_2026,
author = {{Grantable}},
title = {{Tremont Street Foundation Inc funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/tremont-street-foundation-inc-morg_b4ec4195254948388bcf79f90ae4b638},
note = {Accessed 2026-10-20. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Tremont Street Foundation Inc's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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