Sundheimer Foundation

Private foundation · Grantmaker Valley Stream, NY EIN: 13-3857970

Sundheimer Foundation is a private foundation based in Valley Stream, New York. Its 2024 filing reports $92,800 in grants to 14 organizations, including educational, community-service, health, Jewish, and civil-liberties organizations.

Sundheimer Foundation at a glance

In short: Sundheimer Foundation gave $93K across 14 grants in 2024 (avg $7K), mostly in New York. 36% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$92,800
+20.5% vs 2023
Grants made (2024)
14
+27.3% vs 2023
Average grant
$6,629
-5.3% vs 2023
Median grant
$5,000
Total assets
$706,719
+2.5% vs 2023
New grantees (estimate)
36% first-time grantees (5 of 14, 2024; small sample)
Primary geography
New York (92% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to Sundheimer Foundation

Accepts unsolicited proposals
No
How to Apply

The foundation states that it does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations.

Contact

Mailing address: 856 Kilmer Ln, Valley Stream, NY 11581
Phone: (917) 224-2118

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who Sundheimer Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Rabenstein Learning Center: $18KRabenstein Learning Center$18KCommunity Ctr of the Rockaway Penin: $18KCommunity Ctr of the RockawayPenin$18KCenter for Initiatives in Jewish Ed: $10KCenter for Initiatives inJewish Ed$10KUS Holocaust Memorial Museum: $5KUS Holocaust Memorial Museum$5KAnti-Defamation League: $5KAnti-Defamation League$5KManhattan Eye Ear Hospital: $5KManhattan Eye Ear Hospital$5KLighthouse Guild International: $5KLighthouse Guild International$5KJewish National Fund: $5KJewish National Fund$5KK'hal Lev Avos: $5KK'hal Lev Avos$5KYeshiva University: $5KYeshiva University$5K

The largest 2024 recipient was Rabenstein Learning Center ($18K). Together the top 10 received $81K.

Grant Size Distribution

52 grants across all recorded years

52<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 52 grants of 52 (100%).

Geographic Focus

Where this funder awards grants

The foundation’s 2024 grants went to recipients in New York (92% of grant dollars), Washington, DC (5%), and Florida (3%).

Grant Distribution by State

4states

Share of 2024 grant dollars across all 14 itemized grants.

Cities

New YorkFar RockawayValley StreamWashingtonHagerstownBrooklynBelle HarborBoca Raton

Is Sundheimer Foundation open to new grantees?

36%

first-time grantees, 2024

In 2024, 5 of 14 grantees (36%) were first-time recipients. With only 14 grantees, that is a small sample: one grantee more or less moves the share by about 7 points. First grants averaged $4K; repeat grants $8K. How we count

Medians: $3K first-time, $5K repeat.

  • 57% of 2024 grantees were also funded in 2023. Method
  • Giving grew 43% from 2021 to 2024. Method
  • In 2024 it paid out 128% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2021–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$25K$50K$75K$100K0 grants2020 14 grants2021 13 grants2022 11 grants2023 14 grants2024

From 2021 to 2024, annual grant giving ranged from $65K (2021) to $93K (2024). In 2024 it made 14 grants totaling $93K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Rabenstein Learning Center Far Rockaway, NYTo support the first yeshiva-based resource room, the center has developed into a holistic answer to the learning challenges of special children$18,000
Community Ctr of the Rockaway Penin Far Rockaway, NYTo support programs to promote supplementary education, job training and placement, teen dropout prevention, community health, sports and social services$18,000
Center for Initiatives in Jewish Ed Brooklyn, NYTo fund upgrading of technology and programs available to jewish day schools and yeshivot to provide world-class education$10,000
US Holocaust Memorial Museum Washington, DCTo provide funds to further the museum's efforts to honor the memory of holocaust victims$5,000
Anti-Defamation League New York, NYTo fund programs to stop the defamation of the jewish people to secure justice and fair treatment to all$5,000
Manhattan Eye Ear Hospital New York, NYTo fund medical and scientific education and research programs$5,000
Lighthouse Guild International New York, NYTo fund healthcare, managed long term care, rehabilitation, and educational services$5,000
Jewish National Fund New York, NYTo fund programs to plant trees, build infrastructure, and educated students about israel and the environment$5,000
K'hal Lev Avos Valley Stream, NYTo support a kehilla in a high-energy environment, with daily minyanim along with an array of shiurim, chabanos, mesibos, kumzitim, neshei and dor l'dor programming$5,000
Yeshiva University New York, NYTo Support a Private Orthodox Jewish University$5,000
Your AI grants department

Ready to take the next step with Sundheimer Foundation?

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2024$706,719$156,606$120,678$92,80014$92,800$142,174$72,622
2023$689,268$273,847$97,966$77,00011$77,000$273,441$68,576
2022$513,387$35,318$107,055$80,00013$80,000$29,181$74,728
2021$585,124$72,628$80,946$65,00014$65,000$72,608$79,343
2020$593,442$8,529$7,714———$8,515$68,731

Under IRS private-foundation payout rules, Sundheimer Foundation reported a distributable amount of $73K for 2024 — the minimum it must pay out in qualifying distributions.

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

Mission & Focus Areas

No mission statement for the foundation is provided. Its 2024 grants show support for a range of organizations. For example, Rabenstein Learning Center received support for a resource room serving children with learning challenges, while the Community Center of the Rockaway Peninsula received support for education, job training, dropout prevention, community health, sports, and social services.

Some grantees describe their own work as providing education and research (Yeshiva University), services for people who are visually impaired (Lighthouse Guild International), and language-based learning-disability instruction (Lapid Yeshiva). These are grantees’ descriptions of their missions, not statements of the foundation’s mission.

Grantmaking

In 2024, the foundation reported 14 grants totaling $92,800. Grant amounts ranged from $1,800 to $18,000, with a median of $5,000. Its largest reported grants were $18,000 each to Rabenstein Learning Center and the Community Center of the Rockaway Peninsula. Other notable grants included $10,000 to the Center for Initiatives in Jewish Education and $5,000 each to the U.S. Holocaust Memorial Museum, Anti-Defamation League, Manhattan Eye Ear Hospital, Lighthouse Guild International, Jewish National Fund, K’hal Lev Avos, Yeshiva University, and the American Civil Liberties Union.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Ruth H. Weichsel as President, Benjamin Frenkel as Vice President, and Michael Tarlow as Secretary/Treasurer.

Sundheimer Foundation is led by Ruth H. Weichsel, President since 2021 (on filings since 2020); 2 of 3 officers listed in 2024 are compensated.

Officers on the 2024 filing

  • Ruth H. Weichsel

    President

    Vice President, Treasurer & Director → President, 2021

    On filings since 2020

    0.2 hrs/week

    $11K (2022) → $3K (2024)

  • Benjamin Frenkel

    Vice President

    On filings since 2021

    0.2 hrs/week

    $3K (2024)

  • Michael Tarlow

    Sec'y & Treasurer

    On filings since 2021

    0.2 hrs/week

    No compensation reported

Former officers (1)
  • Former: Ira R. Hoffman (2020) — Secretary, Vice President & Director

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.

Compensation Overview

From 2024 IRS filing

Benjamin Frenkel — Vice President: $3KBenjamin FrenkelVice President$3KRuth H Weichsel — President: $3KRuth H WeichselPresident$3K

The highest reported compensation on the 2024 filing was $3K, to Benjamin Frenkel (Vice President). 2 officers or directors reported compensation on that filing.

Frequently asked questions about Sundheimer Foundation

How much does Sundheimer Foundation give each year?

Sundheimer Foundation gave $93K across 14 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $77K across 11 grants.

What is Sundheimer Foundation's typical grant size?

Sundheimer Foundation's median grant in 2024 was $5,000, and its average grant was $6,629, across 14 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from Sundheimer Foundation that year got $4K on average.

Where does Sundheimer Foundation give grants?

Sundheimer Foundation gives mostly in New York: 92% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest state was District of Columbia (5%). The most frequent recipient cities were New York, NY (6 grants), Far Rockaway, NY (2 grants) and Brooklyn, NY (2 grants).

Does Sundheimer Foundation give general operating support?

Not in 2024: none of the 14 grants with a stated purpose on Sundheimer Foundation's 2024 IRS Form 990-PF were described as general or operating support.

Who are Sundheimer Foundation's largest grantees?

Sundheimer Foundation's largest 2024 grantees include Rabenstein Learning Center ($18,000), Community Ctr of the Rockaway Penin ($18,000) and Center for Initiatives in Jewish Ed ($10,000), according to its 2024 IRS Form 990-PF. Together they received 50% of its itemized 2024 grant dollars.

How large is Sundheimer Foundation?

Sundheimer Foundation reported $707K in total assets on its 2024 IRS Form 990-PF. It paid out $93K in qualifying distributions that year, against a required minimum of $73K (roughly 5% of its investment assets).

What does Sundheimer Foundation fund?

No mission statement for the foundation is provided. Its 2024 grants show support for a range of organizations. See mission & focus areas ↑

How do I apply for a grant from Sundheimer Foundation?

The foundation states that it does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Sundheimer Foundation's EIN?

Sundheimer Foundation's EIN (Employer Identification Number) is 13-3857970. IRS Form 990 filing data is available on this page for 2020–2024.

Does Sundheimer 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 September 2026.

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

Explore Open Grants

Browse active grant opportunities in Sundheimer Foundation's focus areas in our free grants database

Similar Funders

Funders that support many of the same organizations

Enterprise Holdings Foundation

Saint Louis, MO

The Enterprise Holdings Foundation supports charitable and educational nonprofits in communities where Enterprise Mobility operates, focusing on health, education, arts, and disaster relief; applicants must be actively supported by an Enterprise Mobility team member, spouse, or domestic partner. Giving varies widely: it reported 9,499 grants in 2024, but its 2025 filing showed one grant of $101.4 million, so that amount is not a typical award. Applications are accepted at any time through eligible Enterprise-affiliated applicants; the Foundation does not limit giving to preselected organizations.

Assets

$594.3M

Grants

1

Total Given

$101.4M

Laurie Kayden Foundation

Wilmington, DE

The Laurie Kayden Foundation funds a broad range of charitable work, including humanitarian relief, the environment, health, food security, education, and Jewish community life. Its 2025 grants ranged from $5,000 to $100,000, with a median of $50,000; most funding went to organizations in New York, followed by the District of Columbia. It gives only to preselected organizations and does not accept unsolicited requests.

Assets

$64.3M

Grants

67

Total Given

$3.2M

Rudolph & Hilda U Forchheimer

Armonk, NY

The foundation supports organizations addressing hunger, humanitarian relief, Jewish and educational causes, and other needs, with 2025 grants ranging from $5,000 to $75,000 and a median of $15,000. Most grant dollars went to New York, followed by Maryland and the District of Columbia. It funds only preselected charities and does not accept unsolicited requests.

Assets

$4.5M

Grants

29

Total Given

$648K

Rose M Badgeley Charitable Trust

New York, NY

The trust’s grants support organizations in varied areas, including health, older-adult services, education, arts, and community programs, with nearly all 2026 funding going to New York recipients. Its 2026 grants ranged from $12,500 to $150,000, with a median of $37,500; a 2025 filing says it accepts requests by email or mail and is not limited to preselected organizations.

Assets

$21.3M

Grants

50

Total Given

$2.1M

High Five Foundation II

Woodmere, NY

Philanthropy, Voluntarism & Grantmaking

Assets

$6.9M

Grants

116

Total Given

$396K

The Z S & M Wilf Foundation Inc

Short Hills, NJ

The foundation supports charitable organizations in education, health, Jewish community life, and youth programs, with most 2025 grant dollars going to New York and New Jersey recipients. Its 66 grants ranged from $1,000 to $1,612,500, with a median of $19,000. It gives only to preselected organizations and does not accept unsolicited requests.

Philanthropy, Voluntarism & Grantmaking

Assets

$174.7M

Grants

66

Total Given

$5.6M

More similar funders

More Funders in New York

Cite this profile

Grantable. (2026). Sundheimer Foundation funder profile. GrantGraph. Retrieved October 16, 2026, from https://grantable.co/funders/sundheimer-foundation-morg_3faba391bbc64db89474e6691145d8eb

BibTeX
@misc{grantable_133857970_2026,
  author       = {{Grantable}},
  title        = {{Sundheimer Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/sundheimer-foundation-morg_3faba391bbc64db89474e6691145d8eb},
  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 Sundheimer 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.

Sundheimer Foundation down — hundreds of funders to go?

Want AI to do this for you?