The Tresemer Foundation Inc

Private foundation · Grantmaker Guilford, CT EIN: 84-1505071

The Tresemer Foundation Inc is a private foundation, based in Guilford, CT. IRS filing data is available from 2022 through 2025. As of 2025, the organization holds $2.0M in total assets. In 2025, it awarded 3 grants totaling $119K. Net investment income was $57K.

Key facts about The Tresemer Foundation Inc

In short: The Tresemer Foundation Inc gave $119K across 3 grants in 2025 (avg $40K), mostly in California. Source: 2025 IRS Form 990-PF.

EIN
84-1505071
Latest 990 filing
Form 990-PF, 2025
Annual giving (2025)
$119,000
Grants made (2025)
3
Average grant
$39,667
Median grant
$42,000
Total assets
$2,046,306
Primary geography
California (52% of itemized 2025 grant dollars)

Data from IRS Form 990-PF, 2025; updated September 2026.

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

$2.0M

-3.6% YoY

Annual Giving

$119K

+13.3% YoY

Grant Count

3

+0.0% YoY

Avg Grant Size

$40K

+13.3% YoY

Under IRS private-foundation payout rules, The Tresemer Foundation Inc reported a distributable amount of $134K for 2025 — the minimum it must pay out in qualifying distributions.

How The Tresemer Foundation Inc gives

  • Giving held roughly steady from 2022 to 2025 (−8%). Method
  • In 2025 it paid out 101% of its IRS minimum distribution (the 5% rule). Method

From the foundation's IRS Form 990-PF filings. Methodology.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

3states

Share of 2025 grant dollars across all 3 itemized grants.

Cities

OaklandOberlinClarksburgBethesda

Giving Over Time

Total grant dollars and number of grants per year

$0$50K$100K$150K3 grants2022 3 grants2023 3 grants2024 3 grants2025

From 2022 to 2025, annual grant giving ranged from $105K (2024) to $135K (2023). In 2025 it made 3 grants totaling $119K.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 3 recipients in 2025

Sierra Club Foundation: $62KSierra Club Foundation$62KGive an Hour: $42KGive an Hour$42KOberlin College - Education Outreach Programs: $15KOberlin College - EducationOutreach Programs$15K

The largest 2025 recipient was Sierra Club Foundation ($62K). Together the top 3 received $119K.

Grant Size Distribution

12 grants across all recorded years

8<$50K4$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 8 grants of 12 (67%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Sierra Club Foundation Oakland, CAGeneral Operating Support for Sierra Club Foundation$62,000
Give an Hour Clarksburg, MDGeneral Operating Support for Give an Hour$42,000
Oberlin College - Education Outreach Programs Oberlin, OHGeneral Operating Support for Oberlin Ninde Scholars Program.$15,000

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$100K$200K$300K$400K2022 2023 2024 2025
Metric202520242023
Total Assets$2,046,306$2,123,333$1,948,829
Revenue$79,028$328,729$-28,209
Expenses$156,393$154,945$159,936
Qualifying Distributions$134,717$117,513$136,762
Net Investment Income$57,352$291,297$30,491
Distributable Amount$133,740$120,996$118,767

Data update history

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2022 (received by the IRS January 16, 2024)
  2. Updated Form 990-PF for fiscal year 2023 (received by the IRS January 16, 2024)
  3. Updated Form 990-PF for fiscal year 2024 (received by the IRS June 16, 2025)
  4. Updated Form 990-PF for fiscal year 2025 (received by the IRS March 12, 2026)
  5. IRS filings on file for fiscal years 2022–2025

Leadership & Key People

Officers and directors from IRS filings

The Tresemer Foundation Inc is led by Sarah Jefferson, President on every filing since 2022; all 2 officers listed in 2025 are compensated.

Officers on the 2025 filing

  • Sarah Jefferson

    President

    On filings since 2022

    2.5 hrs/week

    $4K (2022) → $4K (2025)

  • Lelani Tresemer

    Secretary & Treasurer

    On filings since 2022

    1.5 hrs/week

    $5K (2022) → $2K (2025)

Data from IRS Form 990 filings, 2022–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2025 IRS filing

Sarah Jefferson — President: $4KSarah JeffersonPresident$4KLelani Tresemer — Secretary/Treasurer: $2KLelani TresemerSecretary/Treasurer$2K

The highest reported compensation on the 2025 filing was $4K, to Sarah Jefferson (President). 2 officers or directors reported compensation on that filing.

Frequently asked questions about The Tresemer Foundation Inc

How much does The Tresemer Foundation Inc give each year?

The Tresemer Foundation Inc gave $119K across 3 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $105K across 3 grants.

What is The Tresemer Foundation Inc's typical grant size?

The Tresemer Foundation Inc's median grant in 2025 was $42,000, and its average grant was $39,667, across 3 grants on its 2025 IRS Form 990-PF.

Where does The Tresemer Foundation Inc give grants?

The Tresemer Foundation Inc gives mostly in California: 52% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Maryland (35%) and Ohio (13%).

Does The Tresemer Foundation Inc give general operating support?

Yes: 100% of The Tresemer Foundation Inc's 2025 grants with a stated purpose (3 of 3) were for general or operating support, per its 2025 IRS Form 990-PF.

How large is The Tresemer Foundation Inc?

The Tresemer Foundation Inc reported $2.0M in total assets on its 2025 IRS Form 990-PF. It paid out $135K in qualifying distributions that year, against a required minimum of $134K (roughly 5% of its investment assets).

What is The Tresemer Foundation Inc's EIN?

The Tresemer Foundation Inc's EIN (Employer Identification Number) is 84-1505071. IRS Form 990 filing data is available on this page for 2022–2025.

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

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