The Karlson Family Foundation

Private foundation · Grantmaker Trumbull, CT EIN: 13-3762819

The Karlson Family Foundation is a private foundation based in Trumbull, Connecticut. Its 2023 filing reports grants to charitable organizations and funds for educational and other nonprofit programs, along with support for a cemetery, a land trust, and children and families.

Key facts about The Karlson Family Foundation

In short: The Karlson Family Foundation gave $2.0M across 13 grants in 2023 (avg $153K), top state Connecticut. 92% of 2023 grantees were new. Source: 2023 IRS Form 990-PF.

EIN
13-3762819
Latest 990 filing
Form 990-PF, 2023
Annual giving (2023)
$1,994,649
Grants made (2023)
13
Average grant
$153,435
Median grant
$120,739
New grantees (estimate)
92% first-time grantees (12 of 13, 2023; small sample)
Primary geography
Connecticut (43% of itemized 2023 grant dollars)
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. Full details ↓

Data from IRS Form 990-PF, 2023; updated October 2026. New grantees are estimated by matching recipient names across years (methodology). Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Financial Overview

From 2023 IRS Form 990-PF · View filing

Total Assets

—

Annual Giving

$2.0M

+1812.4% YoY

Grant Count

13

-68.3% YoY

Avg Grant Size

$153K

+5931.5% YoY

Under IRS private-foundation payout rules, The Karlson Family Foundation reported a distributable amount of $32K for 2023 — the minimum it must pay out in qualifying distributions.

Is The Karlson Family Foundation open to new grantees?

92%

first-time grantees, 2023

In 2023, 12 of 13 grantees (92%) were first-time recipients. With only 13 grantees, that is a small sample: one grantee more or less moves the share by about 8 points. First grants averaged $163K; repeat grants $35K. How we count

Medians: $141K first-time, $35K repeat.

  • 8% of 2023 grantees were also funded in 2022. Method
  • In 2023 it paid out well above its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2021–2023). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

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

Mission & Focus Areas

No mission statement for the foundation is provided. Its 2023 grants included support for educational and other nonprofit programs, cemetery maintenance and improvements, a land trust, and children and families.

Among the grantees, Lynde Point Land Trust described its mission as land conservation for the Borough of Fenwick. The Christian Relief Fund described its work as rescuing orphans and vulnerable children from poverty through programs providing services such as food, clean water, education, healthcare, and disaster relief. The Fenwick Improvement Fund described its purpose as lessening the burdens of the Borough of Fenwick and supporting public buildings, monuments, or works there.

Grantmaking

In 2023, the foundation reported 13 grants totaling $1,994,649. Individual grants ranged from $1,500 to $482,943, with a median of $120,739. The largest reported grants were $482,943 each to the Jon H Rehnberg Charitable Gift Fund and the H Christopher & Jennie May Rehnberg Charitable Fund, both for educational and other nonprofit programs. Other large grants included $241,616 to Stephanie’s Gift Fund and $161,123 each to the McCann Agee Charitable Gift Fund, Dagan McCann Charitable Gift Fund, and Anna J McCann Conservation Fund.

Other reported grants included $35,000 to Upper Merryall Cemetery Association for cemetery maintenance and improvements, $5,000 to Lynde Point Land Trust for support, and $2,000 to the Christian Relief Fund for children and families. Fenwick Improvement Fund received $1,500 in 2023.

How to Apply

The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests. The filing lists application materials and restrictions as N/A.

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Geographic Focus

Where this funder awards grants

The 2023 grant dollars were distributed among recipients in Connecticut (43%), Wyoming (24%), Vermont (12%), California (8%), and New Jersey (6%).

Grant Distribution by State

19states

Share of 2023 grant dollars across all 13 itemized grants.

Cities

New MilfordKentOld SaybrookEssexHartfordDanburyIsland ParkVernonBozemanDavisFt CollinsMemphisMiddletownMinneapolisN StoningtonRhinelanderRutherfordTavernierTeton VillageUpper Chichester

Giving Over Time

Total grant dollars and number of grants per year

$0$500K$1M$1.5M$2M48 grants2021 41 grants2022 13 grants2023

From 2021 to 2023, annual grant giving ranged from $104K (2022) to $2.0M (2023). In 2023 it made 13 grants totaling $2.0M.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2023

Jon H Rehnberg Charitable Gift Fund: $483KJon H Rehnberg Charitable GiftFund$483KH Christopher & Jennie May Rehnberg Charitable Fund: $483KH Christopher & Jennie MayRehnberg Charitable Fund$483KStephanie's Gift Fund: $242KStephanie's Gift Fund$242KMcCann Agee Charitable Gift Fund: $161KMcCann Agee Charitable GiftFund$161KDagan McCann Charitable Gift Fund: $161KDagan McCann Charitable GiftFund$161KAnna J McCann Conservation Fund: $161KAnna J McCann ConservationFund$161KGregory John Motycka Fund: $121KGregory John Motycka Fund$121KStephanie Rehnberg Fund: $121KStephanie Rehnberg Fund$121KUpper Merryall Cemetery Association: $35KUpper Merryall CemeteryAssociation$35KDouglas Murray Charitable Gift Fund: $19KDouglas Murray Charitable GiftFund$19K

The largest 2023 recipient was Jon H Rehnberg Charitable Gift Fund ($483K). Together the top 10 received $2.0M.

Grant Size Distribution

102 grants across all recorded years

94<$50K$50–100K6$100–250K2$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 94 grants of 102 (92%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Jon H Rehnberg Charitable Gift Fund Wilson, WYEducational & Other Nonprofitprograms$482,943
H Christopher & Jennie May Rehnberg Charitable Fund Kent, CTEducational & Other Nonprofitprograms$482,943
Stephanie's Gift Fund East Calais, VTEducational & Other Nonprofitprograms$241,616
McCann Agee Charitable Gift Fund Madison, CTEducational & Other Nonprofitprograms$161,123
Dagan McCann Charitable Gift Fund Centerbrook, CTEducational & Other Nonprofitprograms$161,123
Anna J McCann Conservation Fund Truckee, CAEducational & Other Nonprofitprograms$161,123
Gregory John Motycka Fund Hoboken, NJEducational & Other Nonprofitprograms$120,739
Stephanie Rehnberg Fund Nashville, TNEducational & Other Nonprofitprograms$120,739
Upper Merryall Cemetery Association New Milford, CTMaintence & Improvemntsfor Connecticut Cemetery$35,000
Douglas Murray Charitable Gift Fund No Stonington, CTEducational & Other Nonprofitprograms$18,800

Financial History

Multi-year comparison from IRS filings

Filing year Assets Revenue Expenses Grants Grant count
2023 Not reported $23,140 $2,016,247 $1,994,649 13
2022 $1,597,593 $59,790 $133,152 $104,300 41
2021 $1,715,252 $48,530 $141,050 $118,500 48
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$1M$2M$3M2021 2022 2023
Metric202320222021
Total Assets—$1,597,593$1,715,252
Revenue$23,140$59,790$48,530
Expenses$2,016,247$133,152$141,050
Qualifying Distributions$2,006,374$116,106—
Net Investment Income$13,267$42,744$124,461
Distributable Amount$31,587$111,236$116,475

Data update history

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2021 (received by the IRS November 7, 2022)
  2. IRS filings on file for fiscal years 2021–2023

Leadership & Key People

Leadership team and compensation from IRS filings

The 2023 filing lists Jon Rehnberg, Harry C Rehnberg, Stephanie R Murray, and Anna J McCann as directors.

The Karlson Family Foundation's 2023 filing lists 4 officers; none of the 4 officers listed in 2023 report compensation.

Officers on the 2023 filing

  • Anna J. McCann

    Director

    On filings since 2021

    10 hrs/week

    No compensation reported

  • Harry C. Rehnberg

    Director

    On filings since 2021

    10 hrs/week

    No compensation reported

  • Jon Rehnberg

    Director

    On filings since 2021

    10 hrs/week

    No compensation reported

  • Stephanie R. Murray

    Director

    On filings since 2021

    10 hrs/week

    No compensation reported

Data from IRS Form 990 filings, 2021–2023. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Contact

Application contact: Christopher J Koehm Cpa
Mailing address: 59 Merrimac Drive, Trumbull, CT 06611
Phone: (203) 261-6781

Frequently asked questions about The Karlson Family Foundation

How much does The Karlson Family Foundation give each year?

The Karlson Family Foundation gave $2.0M across 13 grants in 2023, according to its 2023 IRS Form 990-PF. In 2022 it gave $104K across 41 grants.

What is The Karlson Family Foundation's typical grant size?

The Karlson Family Foundation's median grant in 2023 was $120,739, and its average grant was $153,435, across 13 grants on its 2023 IRS Form 990-PF. Organizations receiving their first grant from The Karlson Family Foundation that year got $163K on average.

Where does The Karlson Family Foundation give grants?

The Karlson Family Foundation's top state is Connecticut, with 43% of the grant dollars itemized on its 2023 IRS Form 990-PF. The next largest states were Wyoming (24%) and Vermont (12%).

Does The Karlson Family Foundation give general operating support?

Not in 2023: none of the 13 grants with a stated purpose on The Karlson Family Foundation's 2023 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Educational & Other Nonprofitprograms" (9 grants).

Who are The Karlson Family Foundation's largest grantees?

The Karlson Family Foundation's largest 2023 grantees include Jon H Rehnberg Charitable Gift Fund ($482,943), H Christopher & Jennie May Rehnberg Charitable Fund ($482,943) and Stephanie's Gift Fund ($241,616), according to its 2023 IRS Form 990-PF. Together they received 61% of its itemized 2023 grant dollars.

What does The Karlson Family Foundation fund?

No mission statement for the foundation is provided. Its 2023 grants included support for educational and other nonprofit programs, cemetery maintenance and improvements, a land trust, and children and families. See mission & focus areas ↑

How do I apply for a grant from The Karlson 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 ↑

How much is The Karlson Family Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2023, The Karlson Family Foundation reported a distributable amount of $32K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is The Karlson Family Foundation's EIN?

The Karlson Family Foundation's EIN (Employer Identification Number) is 13-3762819. IRS Form 990 filing data is available on this page for 2021–2023.

Does The Karlson 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.

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