The Carthaus Family Foundation Inc

Private foundation · Grantmaker South Londonderry, VT EIN: 13-3132066

The Carthaus Family Foundation Inc is a private foundation based in South Londonderry, Vermont. Its 2026 filing lists grants to charitable organizations in several states, with stated purposes including health and human services, arts and historical preservation, education, and town services.

The Carthaus Family Foundation Inc at a glance

In short: The Carthaus Family Foundation Inc gave $6K across 18 grants in 2026 (avg $309.722), top state Minnesota. 39% of 2026 grantees were new. Source: 2026 IRS Form 990-PF.

Annual giving (2026)
$5,575
+13.2% vs 2025
Grants made (2026)
18
+28.6% vs 2025
Average grant
$310
-12.0% vs 2025
Median grant
$175
Total assets
$65,710
-11.5% vs 2025
New grantees (estimate)
39% first-time grantees (7 of 18, 2026; small sample)
Primary geography
Minnesota (31% of itemized 2026 grant dollars)
Latest 990 filing
Form 990-PF, 2026 View filing

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

How to apply to The Carthaus Family Foundation Inc

Accepts unsolicited proposals
No
Contact

Mailing address: 1058 Under The Mountain Rd, South Londonderry, VT 05155-9120
Phone: (203) 536-9223

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

Who The Carthaus Family Foundation Inc funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2026

Catholic Community Foundation: $1KCatholic Community Foundation$1KBoston Ballet: $825Boston Ballet$825St Thomas Academy: $750St Thomas Academy$750Neighborhood Connections: $600Neighborhood Connections$600Apollo Arts Institute: $500Apollo Arts Institute$500Londonderry Volunteer Rescue Squad: $300Londonderry Volunteer RescueSquad$300MTN Valley Health: $250MTN Valley Health$250Walnut Hill School: $200Walnut Hill School$200Boston University: $200Boston University$200University of San Francisco: $150University of San Francisco$150

The largest 2026 recipient was Catholic Community Foundation ($1K). Together the top 10 received $5K.

Grant Size Distribution

89 grants across all recorded years

89<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 89 grants of 89 (100%).

Geographic Focus

Where this funder awards grants

The foundation is based in South Londonderry, Vermont. In 2026, grant dollars went to recipients in Minnesota (31%), Massachusetts (31%), Vermont (19%), Ohio (11%), and California (3%).

Grant Distribution by State

12states

Share of 2026 grant dollars across all 18 itemized grants.

Cities

LondonderryGreenwichNew YorkBostonClevelandMendota HTSSouth LondonderryStamfordCos CobManchesterNatickNew HavenTownshendWestonArlingtonArmonkBridgeportFultonHartfordNashua

Is The Carthaus Family Foundation Inc open to new grantees?

39%

first-time grantees, 2026

In 2026, 7 of 18 grantees (39%) were first-time recipients. With only 18 grantees, that is a small sample: one grantee more or less moves the share by about 6 points. First grants averaged $250; repeat grants $348. How we count

Medians: $100 first-time, $200 repeat.

  • 28% of 2026 grantees were also funded in 2025. Method
  • Giving held roughly steady from 2023 to 2026 (+19%). Method
  • In 2026 it paid out 91% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2021–2026). 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$2K$4K$6K24 grants2021 25 grants2022 12 grants2023 20 grants2024 14 grants2025 18 grants2026

From 2021 to 2026, annual grant giving ranged from $4K (2024) to $6K (2022). In 2026 it made 18 grants totaling $6K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Catholic Community Foundation St. Paul, MNHealth & Human Service$1,000
Boston Ballet Boston, MAArt & Historical Preservation$825
St Thomas Academy Mendota HTS, MNEducation$750
Neighborhood Connections Cleveland, OHHealth & Human Service$600
Apollo Arts Institute Boston, MAHealth & Human Service$500
Londonderry Volunteer Rescue Squad Londonderry, VTTown Services$300
MTN Valley Health Londonderry, VTHealth & Human Service$250
Walnut Hill School Natick, MAEducation$200
Boston University Boston, MAEducation$200
University of San Francisco Fulton, CAEducation$150
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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
2026$65,710$2,530$7,425$5,57518$7,425$2,530$8,190
2025$74,243$2,856$6,775$4,92714$4,927$2,856$7,496
2024$68,450$2,652$8,011$4,42520$4,425$2,652$5,945
2023$71,459$2,517$6,518$4,70012$4,700$2,517$5,882
2022$100,057$2,359$6,758$5,92525$5,925$2,359$6,853
2021$106,135$2,342$5,707$5,00024—$2,342$5,837

Under IRS private-foundation payout rules, The Carthaus Family Foundation Inc reported a distributable amount of $8K for 2026 — 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 grants include support for organizations whose own stated missions span different areas. For example, the Catholic Community Foundation of Minnesota says it supports the spiritual, educational, and social needs of the Catholic community. The Londonderry Volunteer Rescue Squad says it provides volunteer emergency medical services to an eight-town area in Southern Vermont. Boston Ballet describes its work in terms of creating human connections through dance.

Grantmaking

In filing year 2026, the foundation reported 18 grants totaling $5,575. Grants ranged from $50 to $1,000, with a median grant of $175.

Among its largest reported grants were $1,000 to Catholic Community Foundation in St. Paul, Minnesota; $825 to Boston Ballet in Boston, Massachusetts; $750 to St. Thomas Academy in Mendota Heights, Minnesota; $600 to Neighborhood Connections in Cleveland, Ohio; and $500 to Apollo Arts Institute in Boston, Massachusetts. Other listed grants included $300 to Londonderry Volunteer Rescue Squad, $250 to Mtn Valley Health, and $100 to South Londonderry Library.

The foundation’s 2025 filing states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2026 filing lists William J Carthaus as Director/President; Richard W Carthaus, Lisa DiGregorio, and Claudia Carthaus as Director/Vice Presidents.

The Carthaus Family Foundation Inc is led by William J. Carthaus, Director & President on every filing since 2021; none of the 4 officers listed in 2026 report compensation.

Officers on the 2026 filing

  • William J. Carthaus

    Director & President

    On filings since 2021

    No compensation reported

  • Claudia Carthaus

    Director & Vice

    Director & Co- → Director & Vice, 2022

    On filings since 2021

    No compensation reported

  • Richard W. Carthaus

    Director & Vice

    On filings since 2021

    No compensation reported

  • Lisa Digregorio

    Director & Vice

    On filings since 2023

    No compensation reported

Former officers (1)
  • Former: Marcia Carthaus (2021–2022) — Director & Vice

Data from IRS Form 990 filings, 2021–2026. "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 The Carthaus Family Foundation Inc

How much does The Carthaus Family Foundation Inc give each year?

The Carthaus Family Foundation Inc gave $6K across 18 grants in 2026, according to its 2026 IRS Form 990-PF. In 2025 it gave $5K across 14 grants.

What is The Carthaus Family Foundation Inc's typical grant size?

The Carthaus Family Foundation Inc's median grant in 2026 was $175, and its average grant was $310, across 18 grants on its 2026 IRS Form 990-PF. Organizations receiving their first grant from The Carthaus Family Foundation Inc that year got $250 on average.

Where does The Carthaus Family Foundation Inc give grants?

The Carthaus Family Foundation Inc's top state is Minnesota, with 31% of the grant dollars itemized on its 2026 IRS Form 990-PF. The next largest states were Massachusetts (31%) and Vermont (19%). The most frequent recipient cities were Boston, MA (3 grants), Londonderry, VT (2 grants) and Weston, VT (2 grants).

Does The Carthaus Family Foundation Inc give general operating support?

Not in 2026: none of the 18 grants with a stated purpose on The Carthaus Family Foundation Inc's 2026 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Health & Human Service" (7 grants), "Education" (5 grants) and "Art & Historical Service" (3 grants).

Who are The Carthaus Family Foundation Inc's largest grantees?

The Carthaus Family Foundation Inc's largest 2026 grantees include Catholic Community Foundation ($1,000), Boston Ballet ($825) and St Thomas Academy ($750), according to its 2026 IRS Form 990-PF. Together they received 46% of its itemized 2026 grant dollars.

How large is The Carthaus Family Foundation Inc?

The Carthaus Family Foundation Inc reported $66K in total assets on its 2026 IRS Form 990-PF. It paid out $7K in qualifying distributions that year, against a required minimum of $8K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.

What does The Carthaus Family Foundation Inc fund?

No mission statement for the foundation is provided. Its grants include support for organizations whose own stated missions span different areas. For example, the Catholic Community Foundation of Minnesota says it supports the spiritual, educational, and social needs of the Catholic community. See mission & focus areas ↑

How do I apply for a grant from The Carthaus Family Foundation Inc?

The Carthaus Family Foundation Inc does not accept unsolicited proposals, according to Grantable's research on its published guidelines.

What is The Carthaus Family Foundation Inc's EIN?

The Carthaus Family Foundation Inc's EIN (Employer Identification Number) is 13-3132066. IRS Form 990 filing data is available on this page for 2021–2026.

Does The Carthaus Family 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

(2)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2026 (received by the IRS August 4, 2026)
  2. IRS filings on file for fiscal years 2021–2025

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

Figures come from The Carthaus Family 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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