Mortimer J Propp Legacy
Mortimer J Propp Legacy is a private foundation, based in New York, NY. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $3.9M in total assets. In 2025, it awarded 6 grants totaling $210K. Net investment income was $718K.
Mortimer J Propp Legacy at a glance
In short: Mortimer J Propp Legacy gave $210K across 6 grants in 2025 (avg $35K), mostly in New York. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $210,434
- +2.0% vs 2024
- Grants made (2025)
- 6
- -33.3% vs 2024
- Average grant
- $35,072
- +52.9% vs 2024
- Median grant
- $8,402
- Total assets
- $3,853,210
- +12.1% vs 2024
- Primary geography
- New York (95% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Mortimer J Propp Legacy funds
How this funder distributes its grants
Top Recipients
Top 6 recipients in 2025
The largest 2025 recipient was Chabad of Southampton Jewish Center ($169K). Together the top 6 received $210K.
Grant Size Distribution
34 grants across all recorded years
The most common grant size was under $50K: 27 grants of 34 (79%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 6 itemized grants.
Cities
How Mortimer J Propp Legacy gives
- Giving grew 51% from 2022 to 2025. Method
- In 2025 it paid out 95% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2021 to 2025, annual grant giving ranged from $58K (2021) to $210K (2025). In 2025 it made 6 grants totaling $210K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Chabad of Southampton Jewish Center Southampton, NY | For Operating Expenses of Recipient Charity | $168,800 |
| Chabad of Tribeca New York, NY | For Operating Expenses of Recipient Charity | $22,580 |
| South Florida Jewish Academy Coconut Creek, FL | For Operating Expenses of Recipient Charity | $10,000 |
| Congregation Kehilath Jeshurun New York, NY | For Operating Expenses of Recipient Charity | $6,804 |
| BMA Special Trust Fund New York, NY | For Operating Expenses of Recipient Charity | $2,000 |
| The Wall Street Synagogue New York, NY | For Operating Expenses of Recipient Charity | $250 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $3,853,210 | $716,498 | $300,159 | $210,434 | 6 | $212,909 | $718,160 | $225,046 |
| 2024 | $3,436,871 | $-42,280 | $234,468 | $206,385 | 9 | $208,074 | — | $179,916 |
| 2023 | $3,713,619 | $155,017 | $235,127 | $203,101 | 8 | $205,230 | — | $178,225 |
| 2022 | $4,149,586 | $381,485 | $160,091 | $139,250 | 8 | $141,116 | $350,868 | $183,440 |
| 2021 | $3,572,335 | $304,746 | $69,277 | $57,711 | 3 | — | $341,269 | $147,830 |
Under IRS private-foundation payout rules, Mortimer J Propp Legacy reported a distributable amount of $225K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Mortimer J Propp Legacy is led by Jack Heller, President & Treasurer since 2025 (on filings since 2021); none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Jack Heller
President & Treasurer
Co-President & Treasurer → President & Treasurer, 2025
On filings since 2021
1 hr/week
No compensation reported
Melvin Heller
Vice President & Secretary
Vice President → Vice President & Secretary, 2025
On filings since 2021
1 hr/week
No compensation reported
Former officers (1)
- Former: Helen Heller (2021–2024) — Co-President & Secretary
Data from IRS Form 990 filings, 2021–2025. "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 Mortimer J Propp Legacy
How much does Mortimer J Propp Legacy give each year?
Mortimer J Propp Legacy gave $210K across 6 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $206K across 9 grants.
What is Mortimer J Propp Legacy's typical grant size?
Mortimer J Propp Legacy's median grant in 2025 was $8,402, and its average grant was $35,072, across 6 grants on its 2025 IRS Form 990-PF.
Where does Mortimer J Propp Legacy give grants?
Mortimer J Propp Legacy gives mostly in New York: 95% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were New York, NY (4 grants).
Does Mortimer J Propp Legacy give general operating support?
Yes: 100% of Mortimer J Propp Legacy's 2025 grants with a stated purpose (6 of 6) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Mortimer J Propp Legacy's largest grantees?
Mortimer J Propp Legacy's largest 2025 grantees include Chabad of Southampton Jewish Center ($168,800), Chabad of Tribeca ($22,580) and South Florida Jewish Academy ($10,000), according to its 2025 IRS Form 990-PF. Together they received 96% of its itemized 2025 grant dollars.
How large is Mortimer J Propp Legacy?
Mortimer J Propp Legacy reported $3.9M in total assets on its 2025 IRS Form 990-PF. It paid out $213K in qualifying distributions that year, against a required minimum of $225K (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 is Mortimer J Propp Legacy's EIN?
Mortimer J Propp Legacy's EIN (Employer Identification Number) is 20-4920772. IRS Form 990 filing data is available on this page for 2021–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2021 (received by the IRS August 11, 2021)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS February 15, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS February 15, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS February 13, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS February 9, 2026)
- IRS filings on file for fiscal years 2021–2025
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Cite this profile
Grantable. (2026). Mortimer J Propp Legacy funder profile. GrantGraph. Retrieved October 16, 2026, from https://grantable.co/funders/mortimer-j-propp-legacy-morg_c32c6db9c00d4decaf9fb2c66fdc8919
BibTeX
@misc{grantable_204920772_2026,
author = {{Grantable}},
title = {{Mortimer J Propp Legacy funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/mortimer-j-propp-legacy-morg_c32c6db9c00d4decaf9fb2c66fdc8919},
note = {Accessed 2026-10-16. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Mortimer J Propp Legacy'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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