Caswell Foundation

Foundation · Grantmaker Rye, NH EIN: 84-1568095

Caswell Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Rye, NH. IRS filing data is available from 2020 through 2025. In 2025, it awarded 11 grants totaling $188K.

Key facts about Caswell Foundation

EIN
84-1568095
Latest 990 filing
Form 990-PF, 2025
Annual giving (2025)
$188,000
Grants made (2025)
11
Average grant
$17,091
Median grant
$20,000
New grantees (estimate)
30% first-time grantees (3 of 10, 2025)
Primary geography
Massachusetts (57% of itemized 2025 grant dollars)

Data from IRS Form 990-PF, 2025; updated September 2026. New grantees are estimated by matching recipient names across years (methodology).

Who Caswell Foundation funds

By grant dollars, the top recipient states for Caswell Foundation's 11 itemized 2025 grants were Massachusetts (57%), New Hampshire (29%) and Virginia (11%). The most frequent recipient cities were Durham, NH (2 grants) and Boston, MA (2 grants). None of its 11 grants with a stated purpose were described as general or operating support.

Is Caswell Foundation open to new grantees?

30%

first-time grantees, 2025

In 2025, 3 of 10 grantees (30%) were first-time recipients. 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

Estimate from itemized IRS Form 990-PF grant lists (2020–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Next steps with Caswell Foundation

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

—

Annual Giving

$188K

-39.9% YoY

Grant Count

11

+0.0% YoY

Avg Grant Size

$17K

-39.9% YoY

About Caswell Foundation

Based on IRS filings

Caswell Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Rye, NH. IRS filing data is available from 2020 through 2025. In 2025, it awarded 11 grants totaling $188K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

6states

Share of all 11 itemized 2025 grant dollars.

Cities

DurhamBostonArlingtonBelmontSharonMoultonboroughTucsonCambridgeExeterFarmingtonFort CollinsNottinghamSouthbridgeTuscon

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$0.275$0.55$0.8250000000000001$1.1202020212022202320242025
Metric202520242023
Total Assets———
Revenue———
Expenses———
Qualifying Distributions———
Net Investment Income———
Distributable Amount———

Data update history

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2025

Giving Over Time

Total grant dollars and number of grants per year

$0$78K$156K$234K$313K6 grants202010 grants20216 grants202212 grants202311 grants202411 grants2025

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Habitat Education Center: $35KHabitat Education Center$35KUNH Foundation: $25KUNH Foundation$25KMystic River Watershed Association: $25KMystic River WatershedAssociation$25KTrustees of Reservations: $25KTrustees of Reservations$25KFriends Forever: $20KFriends Forever$20KAmerican Diabetes Association: $20KAmerican Diabetes Association$20KYMCA of Greater Boston: $18KYMCA of Greater Boston$18KUcct: $5KUcct$5KTurtle Rescue League: $5KTurtle Rescue League$5KNH Turtle Rescue: $5KNH Turtle Rescue$5K

Grant Size Distribution

50 grants across all recorded years

48<$50K$50–100K2$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2025 grants, the largest recipients include Habitat Education Center ($35,000), UNH Foundation ($25,000), Mystic River Watershed Association ($25,000).

RecipientPurposeAmount
Habitat Education Center Belmont, MAPaddling for empowerment program$35,000
UNH Foundation Durham, NHWater monitoring student scholarship$25,000
Mystic River Watershed Association Arlington, MAWater quality research and improvement$25,000
Trustees of Reservations Boston, MAMobile farmers market promotion program$25,000
Friends Forever Durham, NHForeign exchange scholarships$20,000
American Diabetes Association Arlington, VA2024 Tour de Cure$20,000
YMCA of Greater Boston Boston, MAExecutive Director leadership incentive program$18,000
UCCT Tucson, AZUpdate structures$5,000
Turtle Rescue League Southbridge, MACamera monitoring equipment$5,000
NH Turtle Rescue Nottingham, NHCamera monitoring equipment$5,000

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

No officer or director reported compensation in the available filings.

From 2025 IRS filing

NameTitleHoursCompensation
Linda CaswellPresident1—
Hollis Caswell IVSecretary1—
David CaswellTreasurer1—

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What is Caswell Foundation?

Caswell Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Rye, NH. It holds — in total assets as of 2025.

Where does Caswell Foundation operate?

Caswell Foundation has awarded grants in Arizona, Colorado, Massachusetts, New Hampshire, Virginia, Vermont.

What size grants does Caswell Foundation award?

In 2025, Caswell Foundation awarded 11 grants totaling $188K — an average of about $17K per grant, based on its IRS Form 990 filings.

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.

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Data last updated September 2026. Sourced from IRS Form 990-PF filings.

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