The Helen and Harold C Mayer Foundation

Private foundation · Grantmaker New York, NY EIN: 13-6062833

The Helen and Harold C Mayer Foundation is a private foundation, based in New York, NY. IRS filing data is available for 2020. As of 2020, the organization holds $113K in total assets. In 2020, it awarded 3 grants totaling $1.0M. Net investment income was $32K.

The Helen and Harold C Mayer Foundation at a glance

In short: The Helen and Harold C Mayer Foundation gave $1.0M across 3 grants in 2020 (avg $347K), mostly in New York. Source: 2020 IRS Form 990-PF.

Annual giving (2020)
$1,042,104
Grants made (2020)
3
Average grant
$347,368
Median grant
$348,997
Total assets
$112,879
Primary geography
New York (100% of itemized 2020 grant dollars)
Latest 990 filing
Form 990-PF, 2020 View filing

Data from IRS Form 990-PF, 2020; updated September 2026.

Who The Helen and Harold C Mayer Foundation funds

How this funder distributes its grants

Top Recipients

Top 3 recipients in 2020

Joan Mayer: $351KJoan Mayer$351KNancy Mayer: $349KNancy Mayer$349KSue Ellen Rittmaster: $342KSue Ellen Rittmaster$342K

The largest 2020 recipient was Joan Mayer ($351K). Together the top 3 received $1.0M.

Grant Size Distribution

3 grants across all recorded years

<$50K$50–100K$100–250K3$250–500K$500K–1M$1–5M$5M+

The most common grant size was in the $250–500K range: 3 grants of 3 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of 2020 grant dollars across all 3 itemized grants.

States

Cities

New York

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$500K$1M$1.5M3 grants2020

In 2020 it made 3 grants totaling $1.0M.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Joan Mayer New York, NYGeneral Fund$350,844
Nancy Mayer New York, NYGeneral Fund$348,997
Sue Ellen Rittmaster New York, NYGeneral Fund$342,263
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsNet Investment IncomeDistributable Amount
2020$112,879$48,260$1,055,264$1,042,1043$31,850$19,779

Under IRS private-foundation payout rules, The Helen and Harold C Mayer Foundation reported a distributable amount of $20K for 2020 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

The Helen and Harold C Mayer Foundation is led by Elizabeth Rappaport, President on the 2020 filing; none of the 3 officers listed in 2020 report compensation.

Officers on the 2020 filing

  • Elizabeth Rappaport

    President

    New on the 2020 filing

    0.1 hrs/week

    No compensation reported

  • Lynn O'Melia

    Vice President & Secretary

    New on the 2020 filing

    0.1 hrs/week

    No compensation reported

  • Peter Mayer

    Vice President & Treasurer

    New on the 2020 filing

    0.1 hrs/week

    No compensation reported

Data from IRS Form 990 filings, 2020. "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 Helen and Harold C Mayer Foundation

How much does The Helen and Harold C Mayer Foundation give each year?

The Helen and Harold C Mayer Foundation gave $1.0M across 3 grants in 2020, according to its 2020 IRS Form 990-PF.

What is The Helen and Harold C Mayer Foundation's typical grant size?

The Helen and Harold C Mayer Foundation's median grant in 2020 was $348,997, and its average grant was $347,368, across 3 grants on its 2020 IRS Form 990-PF.

Where does The Helen and Harold C Mayer Foundation give grants?

The Helen and Harold C Mayer Foundation gives mostly in New York: 100% of the grant dollars itemized on its 2020 IRS Form 990-PF went to recipients there. The most frequent recipient cities were New York, NY (3 grants).

Does The Helen and Harold C Mayer Foundation give general operating support?

Yes: 100% of The Helen and Harold C Mayer Foundation's 2020 grants with a stated purpose (3 of 3) were for general or operating support, per its 2020 IRS Form 990-PF.

How large is The Helen and Harold C Mayer Foundation?

The Helen and Harold C Mayer Foundation reported $113K in total assets on its 2020 IRS Form 990-PF. Its revenue that year was $48K.

How much is The Helen and Harold C Mayer Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2020, The Helen and Harold C Mayer Foundation reported a distributable amount of $20K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is The Helen and Harold C Mayer Foundation's EIN?

The Helen and Harold C Mayer Foundation's EIN (Employer Identification Number) is 13-6062833. IRS Form 990 filing data is available on this page for 2020.

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

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal year 2020

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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 Helen and Harold C Mayer 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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