Castle Family Foundation

Private foundation · Grantmaker Stonington, CT EIN: 06-1471782

Castle Family Foundation is a private foundation based in Stonington, Connecticut, that made 28 grants totaling $30,470 in 2025. Its reported grants supported organizations including schools, cultural institutions, community organizations, and healthcare providers, with most grant dollars going to Connecticut recipients.

Castle Family Foundation at a glance

In short: Castle Family Foundation gave $30K across 28 grants in 2025 (avg $1K), mostly in Connecticut. 7% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$30,470
-54.0% vs 2024
Grants made (2025)
28
-12.5% vs 2024
Average grant
$1,088
-47.4% vs 2024
Median grant
$525
Total assets
$206,831
-3.3% vs 2024
New grantees (estimate)
7% first-time grantees (2 of 28, 2025)
Primary geography
Connecticut (79% 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 Castle Family Foundation

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.

Contact

Mailing address: 51 Collins Road, Stonington, CT 06378
Phone: (860) 608-5477

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who Castle Family Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Pomfret School: $5KPomfret School$5KDenison Pequotsepos Natur: $5KDenison Pequotsepos Natur$5KEastern CT Symphony Orchestra: $3KEastern CT Symphony Orchestra$3KLa Grua Center Foundation: $2KLa Grua Center Foundation$2KGrampy's Charities: $2KGrampy's Charities$2KTaft School: $2KTaft School$2KPrinceton University: $2KPrinceton University$2KLawrence Memorial Hospital: $2KLawrence Memorial Hospital$2KCommunity Foundation of Eastern CT: $1KCommunity Foundation ofEastern CT$1KDartmouth College: $1KDartmouth College$1K

The largest 2025 recipient was Pomfret School ($5K). Together the top 10 received $24K.

Grant Size Distribution

141 grants across all recorded years

141<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 141 grants of 141 (100%).

Geographic Focus

Where this funder awards grants

In 2025, Connecticut recipients received 79% of grant dollars. Other reported recipient-state shares were New Jersey, 6%; Rhode Island, 5%; New Hampshire, 3%; and Maryland, 3%.

Grant Distribution by State

9states

Share of 2025 grant dollars across all 28 itemized grants.

Cities

StoningtonNew LondonWesterlyMysticHanoverPawcatuckPomfret CenterPrincetonWatertownBostonGales FerryNew YorkNorwichHagerstownSan FranciscoNew HavenFort MyersMonroeSan Fransico

Is Castle Family Foundation open to new grantees?

7%

first-time grantees, 2025

In 2025, 2 of 28 grantees (7%) were first-time recipients. First grants averaged $200; repeat grants $1K. How we count

Medians: $200 first-time, $700 repeat.

  • 93% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (+0%). Method
  • In 2025 it paid out 194% 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

$0$20K$40K$60K$80K26 grants2019 23 grants2020 27 grants2021 25 grants2022 29 grants2023 32 grants2024 28 grants2025

From 2019 to 2025, annual grant giving ranged from $30K (2022) to $66K (2024). In 2025 it made 28 grants totaling $30K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Pomfret School Pomfret Center, CTAnnual Fund Raiser$5,000
Denison Pequotsepos Natur Mystic, CTAnnual Fundraiser$4,645
Eastern CT Symphony Orchestra New London, CTAnnual Fund Raiser$2,500
La Grua Center Foundation Stonington, CTAnnual Fund Raiser$2,100
Grampy's Charities New London, CTAnnual Fund Raiser$2,000
Taft School Watertown, CTAnnual Fund Raiser$2,000
Princeton University Princeton, NJAnnual Fund Raiser$1,800
Lawrence Memorial Hospital New London, CTAnnual Fund Raiser$1,600
Community Foundation of Eastern CT New London, CTAnnual Fund Raiser$1,000
Dartmouth College Hanover, NHAnnual Fundraiser$1,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$206,831$24,195$31,290$30,47028$30,470$4,805$15,707
2024$213,926$43,402$66,979$66,23032$66,230$5,405$12,998
2023$237,536$102,769$46,133$45,43829$45,438$4,118$11,051
2022$180,867$7,450$31,035$30,46025$30,460$3,876$11,749
2021$204,483$33,383$33,157$32,53027$32,530$3,782$12,685
2020$204,257$14,566$40,444$39,90023—$3,539$11,176
2019$230,135$119,535$37,030$36,31526—$4,927$12,102

Under IRS private-foundation payout rules, Castle Family Foundation reported a distributable amount of $16K for 2025 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated October 2026.

Mission & Focus Areas

No mission statement for the foundation is provided. Its 2025 grants included support for organizations with varied missions. Pomfret School says it empowers students to pursue lives of purpose and meaning, while Taft School says its mission is to educate the whole student. Lawrence Memorial Hospital says it works to improve regional health and provide healthcare services. Mystic Seaport Museum says it seeks to inspire an enduring connection to the American maritime experience, and Ocean Community YMCA describes its work as strengthening community through youth development, healthy living, and social responsibility.

Grantmaking

In 2025, the foundation made 28 grants totaling $30,470. Grants ranged from $50 to $5,000, with a median of $525. The largest awards included $5,000 to Pomfret School, $4,645 to Denison Pequotsepos Nature Center, $2,500 to Eastern Connecticut Symphony Orchestra, $2,100 to La Grua Center Foundation, and $2,000 each to Grampy’s Charities and Taft School. Other grants included $1,800 to Princeton University, $1,600 to Lawrence Memorial Hospital, and $1,000 each to Community Foundation of Eastern Connecticut, Dartmouth College, Michael J Fox Foundation, and Ocean Community YMCA. The listed grant purposes were annual fundraisers or an annual fundraiser.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Thomas R. Castle, Peter Castle, and Barbara Ginsberg as co-trustees.

Castle Family Foundation's 2025 filing lists 3 officers; none of the 3 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Barbara Ginsberg

    Co-Trustee

    On filings since 2019

    No compensation reported

  • Peter Castle

    Co-Trustee

    On filings since 2019

    No compensation reported

  • Thomas R. Castle

    Co-Trustee

    On filings since 2019

    No compensation reported

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 Castle Family Foundation

How much does Castle Family Foundation give each year?

Castle Family Foundation gave $30K across 28 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $66K across 32 grants.

What is Castle Family Foundation's typical grant size?

Castle Family Foundation's median grant in 2025 was $525, and its average grant was $1,088, across 28 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Castle Family Foundation that year got $200 on average.

Where does Castle Family Foundation give grants?

Castle Family Foundation gives mostly in Connecticut: 79% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were New Jersey (6%) and Rhode Island (5%). The most frequent recipient cities were Stonington, CT (7 grants), New London, CT (5 grants), Westerly, RI (3 grants) and Mystic, CT (2 grants).

Does Castle Family Foundation give general operating support?

Yes: 93% of Castle Family Foundation's 2025 grants with a stated purpose (26 of 28) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are Castle Family Foundation's largest grantees?

Castle Family Foundation's largest 2025 grantees include Pomfret School ($5,000), Denison Pequotsepos Natur ($4,645) and Eastern CT Symphony Orchestra ($2,500), according to its 2025 IRS Form 990-PF. Together they received 40% of its itemized 2025 grant dollars.

How large is Castle Family Foundation?

Castle Family Foundation reported $207K in total assets on its 2025 IRS Form 990-PF. It paid out $30K in qualifying distributions that year, against a required minimum of $16K (roughly 5% of its investment assets).

What does Castle Family Foundation fund?

No mission statement for the foundation is provided. Its 2025 grants included support for organizations with varied missions. Pomfret School says it empowers students to pursue lives of purpose and meaning, while Taft School says its mission is to educate the whole student. See mission & focus areas ↑

How do I apply for a grant from Castle Family Foundation?

The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Castle Family Foundation's EIN?

Castle Family Foundation's EIN (Employer Identification Number) is 06-1471782. IRS Form 990 filing data is available on this page for 2019–2025.

Does Castle Family Foundation 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 October 2026.

Data update history

(3)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2019 (received by the IRS May 11, 2020)
  2. Added Form 990-PF for fiscal year 2025 (received by the IRS June 5, 2026)
  3. IRS filings on file for fiscal years 2020–2024

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Castle Family 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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