Caswell Foundation
Caswell Foundation is a private foundation based in Rye, New Hampshire. Its 2025 filing reports 11 grants totaling $188,000 to organizations in Massachusetts, New Hampshire, Virginia, and Arizona.
Caswell Foundation at a glance
In short: Caswell Foundation gave $188K across 11 grants in 2025 (avg $17K), mostly in Massachusetts. 30% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $188,000
- -39.9% vs 2024
- Grants made (2025)
- 11
- +0.0% vs 2024
- Average grant
- $17,091
- -39.9% vs 2024
- Median grant
- $20,000
- Total assets
- $401,777
- +127.2% vs 2024
- New grantees (estimate)
- 30% first-time grantees (3 of 10, 2025; small sample)
- Primary geography
- Massachusetts (57% 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 Caswell Foundation
- Accepts unsolicited proposals
- Yes
- How to Apply
-
The foundation accepts unsolicited requests. Submit a proposal in letter form stating the purpose and amount requested; additional information may be requested. The filing states there are no restrictions on awards.
- Review Cycle
- None stated.
- Deadline
- None stated.
- Contact
Application contact: David Caswell
Mailing address: 277 Washington Rd Rye Nh 03870, Rye, NH 03870
Phone: (603) 396-9861
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Caswell Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Habitat Education Center ($35K). Together the top 10 received $183K.
Grant Size Distribution
50 grants across all recorded years
The most common grant size was under $50K: 48 grants of 50 (96%).
Geographic Focus
Where this funder awards grants
The 2025 grant dollars went to recipients in Massachusetts (57%), New Hampshire (29%), Virginia (11%), and Arizona (3%).
Grant Distribution by State
Share of 2025 grant dollars across all 11 itemized grants.
Cities
Is Caswell Foundation open to new grantees?
30%
first-time grantees, 2025
In 2025, 3 of 10 grantees (30%) were first-time recipients. With only 10 grantees, that is a small sample: one grantee more or less moves the share by about 10 points. First grants averaged $5K; repeat grants $22K. How we count
Medians: $5K first-time, $25K repeat.
- 70% of 2025 grantees were also funded in 2024. Method
- Giving grew 74% from 2022 to 2025. Method
- In 2025 it paid out 391% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). 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 2020 to 2025, annual grant giving ranged from $108K (2022) to $313K (2024). In 2025 it made 11 grants totaling $188K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Habitat Education Center Belmont, MA | Paddling for empowerment program | $35,000 |
| UNH Foundation Durham, NH | Water monitoring student scholarship | $25,000 |
| Mystic River Watershed Association Arlington, MA | Water quality research and improvement | $25,000 |
| Trustees of Reservations Boston, MA | Mobile farmers market promotion program | $25,000 |
| Friends Forever Durham, NH | Foreign exchange scholarships | $20,000 |
| American Diabetes Association Arlington, VA | 2024 Tour de Cure | $20,000 |
| YMCA of Greater Boston Boston, MA | Executive Director leadership incentive program | $18,000 |
| Ucct Tucson, AZ | Update structures | $5,000 |
| Turtle Rescue League Southbridge, MA | Camera monitoring equipment | $5,000 |
| NH Turtle Rescue Nottingham, NH | Camera monitoring equipment | $5,000 |
Ready to take the next step with Caswell Foundation?
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 | $401,777 | $37,656 | $196,007 | $188,000 | 11 | $196,007 | $29,649 | $50,166 |
| 2024 | $176,836 | $8,788 | $320,022 | $312,625 | 11 | $320,022 | $1,391 | $53,920 |
| 2023 | $488,070 | $-23,736 | $246,128 | $237,200 | 12 | $246,128 | $7,448 | $56,755 |
| 2022 | $757,934 | $-1,673 | $128,588 | $108,000 | 6 | $128,588 | — | $60,708 |
| 2021 | $888,195 | $795,528 | $231,425 | $228,000 | 10 | $231,425 | $792,103 | $59,346 |
| 2020 | $324,092 | $15,293 | $125,413 | $125,060 | 6 | — | $46,294 | $58,508 |
Under IRS private-foundation payout rules, Caswell Foundation reported a distributable amount of $50K 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
The available information does not state a mission for the foundation. Its 2025 grants supported a range of activities, including paddling, water monitoring and research, a mobile farmers market, foreign exchange scholarships, diabetes-related programming, leadership incentives, turtle monitoring equipment, and student scholarships.
Among its grantees, Friends Forever describes its mission as helping youth become the best version of themselves and build community leadership across diverse backgrounds. The American Diabetes Association describes its mission as preventing and curing diabetes and improving the lives of people affected by diabetes. These are the grantees’ stated missions, not the foundation’s.
Grantmaking
In 2025, the foundation made 11 grants totaling $188,000. Grant amounts ranged from $5,000 to $35,000, with a median of $20,000. Notable grants included $35,000 to Habitat Education Center for a paddling for empowerment program; $25,000 each to the UNH Foundation for a water monitoring student scholarship, Mystic River Watershed Association for water quality research and improvement, and Trustees of Reservations for a mobile farmers market promotion program; and $20,000 each to Friends Forever for foreign exchange scholarships and the American Diabetes Association for the 2024 Tour de Cure.
The foundation’s 2024 filing states that it does not restrict giving to preselected organizations.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Linda Caswell as president, Hollis Caswell IV as secretary, and David Caswell as treasurer.
Caswell Foundation is led by Linda Caswell, President on every filing since 2020; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Linda Caswell
President
On filings since 2020
1 hr/week
No compensation reported
David Caswell
Treasurer
On filings since 2020
1 hr/week
No compensation reported
Hollis Caswell IV
Secretary
On filings since 2020
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2020–2025. "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 Caswell Foundation
How much does Caswell Foundation give each year?
Caswell Foundation gave $188K across 11 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $313K across 11 grants.
What is Caswell Foundation's typical grant size?
Caswell Foundation's median grant in 2025 was $20,000, and its average grant was $17,091, across 11 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Caswell Foundation that year got $5K on average.
Where does Caswell Foundation give grants?
Caswell Foundation gives mostly in Massachusetts: 57% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were New Hampshire (29%) and Virginia (11%). The most frequent recipient cities were Durham, NH (2 grants) and Boston, MA (2 grants).
Does Caswell Foundation give general operating support?
Not in 2025: none of the 11 grants with a stated purpose on Caswell Foundation's 2025 IRS Form 990-PF were described as general or operating support.
Who are Caswell Foundation's largest grantees?
Caswell Foundation's largest 2025 grantees include Habitat Education Center ($35,000), UNH Foundation ($25,000) and Mystic River Watershed Association ($25,000), according to its 2025 IRS Form 990-PF. Together they received 45% of its itemized 2025 grant dollars.
How large is Caswell Foundation?
Caswell Foundation reported $402K in total assets on its 2025 IRS Form 990-PF. It paid out $196K in qualifying distributions that year, against a required minimum of $50K (roughly 5% of its investment assets).
What does Caswell Foundation fund?
The available information does not state a mission for the foundation. See mission & focus areas ↑
How do I apply for a grant from Caswell Foundation?
The foundation accepts unsolicited requests. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Caswell Foundation's EIN?
Caswell Foundation's EIN (Employer Identification Number) is 84-1568095. IRS Form 990 filing data is available on this page for 2020–2025.
Does Caswell Foundation accept unsolicited proposals?
Yes, 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 2020 (received by the IRS May 12, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 9, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS March 15, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS March 10, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS March 17, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS February 21, 2026)
- IRS filings on file for fiscal years 2020–2025
Explore Open Grants
Browse active grant opportunities in Caswell Foundation's focus areas in our free grants database
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Cite this profile
Grantable. (2026). Caswell Foundation funder profile. GrantGraph. Retrieved October 16, 2026, from https://grantable.co/funders/caswell-foundation-morg_1dca5833274d414fb7f21dc0cc45017e
BibTeX
@misc{grantable_841568095_2026,
author = {{Grantable}},
title = {{Caswell Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/caswell-foundation-morg_1dca5833274d414fb7f21dc0cc45017e},
note = {Accessed 2026-10-16. 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 Caswell Foundation'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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