Theodore and Karin Mayer Family Foundation Inc

Private foundation · Grantmaker Pelham, NY EIN: 45-5310845

Theodore and Karin Mayer Family Foundation Inc is a private foundation, based in Pelham, NY. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $5.2M in total assets. In 2024, it awarded 5 grants totaling $246K. Net investment income was $233K.

Key facts about Theodore and Karin Mayer Family Foundation Inc

In short: Theodore and Karin Mayer Family Foundation Inc gave $246K across 5 grants in 2024 (avg $49K), mostly in New York. Source: 2024 IRS Form 990-PF.

EIN
45-5310845
Latest 990 filing
Form 990-PF, 2024
Annual giving (2024)
$246,224
Grants made (2024)
5
Average grant
$49,245
Median grant
$20,000
Total assets
$5,205,080
Primary geography
New York (97% of itemized 2024 grant dollars)

Data from IRS Form 990-PF, 2024; updated September 2026.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$5.2M

+11.6% YoY

Annual Giving

$246K

+8.8% YoY

Grant Count

5

+0.0% YoY

Avg Grant Size

$49K

+8.8% YoY

How Theodore and Karin Mayer Family Foundation Inc gives

  • Giving held roughly steady from 2021 to 2024 (+5%). 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

2states

Share of 2024 grant dollars across all 5 itemized grants.

States

Cities

New RochelleNew YorkSalt Lake

Giving Over Time

Total grant dollars and number of grants per year

$0$100K$200K$300K6 grants2020 5 grants2021 5 grants2022 5 grants2023 5 grants2024

From 2020 to 2024, annual grant giving ranged from $226K (2023) to $268K (2022). In 2024 it made 5 grants totaling $246K.

Grant Insights

How this funder distributes its grants

Grant Size Distribution

26 grants across all recorded years

21<$50K$50–100K5$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 21 grants of 26 (81%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
5 grants to individuals Recipients not named —$246,224

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$100K$200K$300K$400K2020 2021 2022 2023 2024
Metric202420232022
Total Assets$5,205,080$4,663,328$4,660,941
Revenue$232,771$254,430$291,868
Expenses$246,224$226,405$268,049
Qualifying Distributions$246,224$226,405$268,049
Net Investment Income$232,771$254,430$222,806

Data update history

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS November 9, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS November 2, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS September 29, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 15, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS October 1, 2025)
  6. IRS filings on file for fiscal years 2020–2024

Leadership & Key People

Officers and directors from IRS filings

Theodore and Karin Mayer Family Foundation Inc is led by Kathryn E Mayer, President & Treasurer on every filing since 2020; none of the 3 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Kathryn E Mayer

    President & Treasurer

    On filings since 2020

    No compensation reported

  • Gerald Spitzkoff

    Vice President

    On filings since 2020

    No compensation reported

  • Rose-Marie Stock

    Secretary

    On filings since 2020

    No compensation reported

Data from IRS Form 990 filings, 2020–2024. "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 Theodore and Karin Mayer Family Foundation Inc

How much does Theodore and Karin Mayer Family Foundation Inc give each year?

Theodore and Karin Mayer Family Foundation Inc gave $246K across 5 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $226K across 5 grants.

What is Theodore and Karin Mayer Family Foundation Inc's typical grant size?

Theodore and Karin Mayer Family Foundation Inc's median grant in 2024 was $20,000, and its average grant was $49,245, across 5 grants on its 2024 IRS Form 990-PF.

Where does Theodore and Karin Mayer Family Foundation Inc give grants?

Theodore and Karin Mayer Family Foundation Inc gives mostly in New York: 97% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there.

Does Theodore and Karin Mayer Family Foundation Inc give general operating support?

Not in 2024: none of the 5 grants with a stated purpose on Theodore and Karin Mayer Family Foundation Inc's 2024 IRS Form 990-PF were described as general or operating support.

How large is Theodore and Karin Mayer Family Foundation Inc?

Theodore and Karin Mayer Family Foundation Inc reported $5.2M in total assets on its 2024 IRS Form 990-PF. Its revenue that year was $233K.

What is Theodore and Karin Mayer Family Foundation Inc's EIN?

Theodore and Karin Mayer Family Foundation Inc's EIN (Employer Identification Number) is 45-5310845. IRS Form 990 filing data is available on this page for 2020–2024.

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

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