The Martin F Greenberg Family Foundation

Private foundation · Grantmaker Boca Raton, FL EIN: 20-5894228

The Martin F Greenberg Family Foundation is a private foundation based in Boca Raton, Florida. It reported 11 grants totaling $140,100 in 2024, with listed grants supporting charitable organizations in Florida, New York, Maryland, Washington, DC, and Virginia.

The Martin F Greenberg Family Foundation at a glance

In short: The Martin F Greenberg Family Foundation gave $140K across 11 grants in 2024 (avg $13K), mostly in Florida. 18% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$140,100
-62.1% vs 2023
Grants made (2024)
11
-59.3% vs 2023
Average grant
$12,736
-6.9% vs 2023
Median grant
$250
Total assets
$2,629,473
+6.0% vs 2023
New grantees (estimate)
18% first-time grantees (2 of 11, 2024; small sample)
Primary geography
Florida (88% 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 The Martin F Greenberg Family Foundation

Accepts unsolicited proposals
No
How to Apply

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

Contact

Mailing address: 2500 N Military Trail Suite 305, Boca Raton, FL 33431
Phone: (561) 347-8585

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

Who The Martin F Greenberg Family Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Mayo Clinic: $100KMayo Clinic$100KJARC Florida: $18KJARC Florida$18KADL: $16KADL$16KCongregation B'nai Israel: $5KCongregation B'nai Israel$5KDonna Klein Jewish Academy: $360Donna Klein Jewish Academy$360American Kidney: $250American Kidney$250Judicial Watch: $200Judicial Watch$200National Multiple Sclerosis Society: $100National Multiple SclerosisSociety$100The Heritage Foundation: $100The Heritage Foundation$100NRA-Ila: $100NRA-Ila$100

The largest 2024 recipient was Mayo Clinic ($100K). Together the top 10 received $140K.

Grant Size Distribution

97 grants across all recorded years

88<$50K1$50–100K8$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 88 grants of 97 (91%).

Geographic Focus

Where this funder awards grants

In 2024, Florida received 88% of grant dollars and New York received 11%. Maryland, Washington, DC, and Virginia each accounted for 0% as reported in the filing.

Grant Distribution by State

15states

Share of 2024 grant dollars across all 11 itemized grants.

Cities

Boca RatonNew YorkFort LauderdaleMiamiChicagoJacksonvilleWashingtonRockvilleWest Palm BeachArlingtonDallasDarienDelray BeachHollywoodKennesawLong Island CityNashvilleSanta MonicaWarrenAspen

Is The Martin F Greenberg Family Foundation open to new grantees?

18%

first-time grantees, 2024

In 2024, 2 of 11 grantees (18%) were first-time recipients. With only 11 grantees, that is a small sample: one grantee more or less moves the share by about 9 points. First grants averaged $100; repeat grants $16K. How we count

Medians: $100 first-time, $360 repeat.

  • 73% of 2024 grantees were also funded in 2023. Method
  • Giving held roughly steady from 2021 to 2024 (−5%). Method
  • In 2024 it paid out 118% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2024). 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$200K$400K$600K11 grants2020 20 grants2021 28 grants2022 27 grants2023 11 grants2024

From 2020 to 2024, annual grant giving ranged from $140K (2024) to $408K (2020). In 2024 it made 11 grants totaling $140K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Mayo Clinic Jacksonville, FLGeneral Support$100,000
JARC Florida Boca Raton, FLGeneral Support$18,000
ADL New York, NYGeneral Support$15,800
Congregation B'nai Israel Boca Raton, FLGeneral Support$5,090
Donna Klein Jewish Academy Boca Raton, FLGeneral Support$360
American Kidney Rockville, MDGeneral support$250
Judicial Watch Washington, DCGeneral Support$200
National Multiple Sclerosis Society Fort Lauderdale, FLGeneral Support$100
The Heritage Foundation Washington, DCGeneral Support$100
NRA-Ila Fairfax, VAGeneral support$100
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2024$2,629,473$453,402$181,384$140,10011$154,267$225,751$130,745
2023$2,481,334$218,409$407,896$369,38927$374,478$193,890$124,137
2022$2,669,200$718,776$329,553$272,57728$280,420$675,997$112,488
2021$2,280,386$1,987,456$181,186$148,05020$152,708$454,302$90,889
2020$1,322,626$111,074$431,278$408,44811—$90,502$90,256

Under IRS private-foundation payout rules, The Martin F Greenberg Family Foundation reported a distributable amount of $131K 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 included general support for organizations with varied missions. Donna Klein Jewish Academy describes its work as providing general and Judaic studies from kindergarten through 12th grade, integrated with arts, technology, and athletics, and emphasizing community service. Judicial Watch describes its mission as promoting government integrity, transparency, accountability, and fidelity to the rule of law. The Heritage Foundation describes its mission as promoting conservative public policies. Jewish National Fund-USA describes its work as supporting the land of Israel and its people across areas including forestry, water, community building, education, research, heritage preservation, and services for people with disabilities.

Grantmaking

In 2024, the foundation made 11 grants totaling $140,100. Grant amounts ranged from $100 to $100,000, and the median grant was $250. Its largest reported grants were $100,000 to Mayo Clinic in Jacksonville, Florida; $18,000 to JARC Florida in Boca Raton; and $15,800 to ADL in New York.

Other reported 2024 grants included $5,090 to Congregation B’nai Israel and $360 to Donna Klein Jewish Academy, both in Boca Raton; $250 to American Kidney in Rockville, Maryland; $200 to Judicial Watch in Washington, DC; and $100 each to the National Multiple Sclerosis Society in Fort Lauderdale, the Heritage Foundation in Washington, DC, NRA-ILA in Fairfax, Virginia, and Jewish National Fund in New York. The listed purposes were general support.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Martin F Greenberg as president and director, and Brett A Greenberg as secretary and director.

The Martin F Greenberg Family Foundation is led by Martin F. Greenberg, President & Director on every filing since 2020; none of the 2 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Martin F. Greenberg

    President & Director

    On filings since 2020

    No compensation reported

  • Brett A. Greenberg

    Secretary & Director

    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 The Martin F Greenberg Family Foundation

How much does The Martin F Greenberg Family Foundation give each year?

The Martin F Greenberg Family Foundation gave $140K across 11 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $369K across 27 grants.

What is The Martin F Greenberg Family Foundation's typical grant size?

The Martin F Greenberg Family Foundation's median grant in 2024 was $250, and its average grant was $12,736, across 11 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from The Martin F Greenberg Family Foundation that year got $100 on average.

Where does The Martin F Greenberg Family Foundation give grants?

The Martin F Greenberg Family Foundation gives mostly in Florida: 88% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest state was New York (11%). The most frequent recipient cities were Boca Raton, FL (3 grants), New York, NY (2 grants) and Washington, DC (2 grants).

Does The Martin F Greenberg Family Foundation give general operating support?

Yes: 100% of The Martin F Greenberg Family Foundation's 2024 grants with a stated purpose (11 of 11) were for general or operating support, per its 2024 IRS Form 990-PF.

Who are The Martin F Greenberg Family Foundation's largest grantees?

The Martin F Greenberg Family Foundation's largest 2024 grantees include Mayo Clinic ($100,000), JARC Florida ($18,000) and ADL ($15,800), according to its 2024 IRS Form 990-PF. Together they received 96% of its itemized 2024 grant dollars.

How large is The Martin F Greenberg Family Foundation?

The Martin F Greenberg Family Foundation reported $2.6M in total assets on its 2024 IRS Form 990-PF. It paid out $154K in qualifying distributions that year, against a required minimum of $131K (roughly 5% of its investment assets).

What does The Martin F Greenberg Family Foundation fund?

No mission statement for the foundation is provided. Its 2024 grants included general support for organizations with varied missions. See mission & focus areas ↑

How do I apply for a grant from The Martin F Greenberg Family Foundation?

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

What is The Martin F Greenberg Family Foundation's EIN?

The Martin F Greenberg Family Foundation's EIN (Employer Identification Number) is 20-5894228. IRS Form 990 filing data is available on this page for 2020–2024.

Does The Martin F Greenberg Family 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

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Cite this profile

Grantable. (2026). The Martin F Greenberg Family Foundation funder profile. GrantGraph. Retrieved October 4, 2026, from https://grantable.co/funders/the-martin-f-greenberg-family-foundation-morg_c632efb14aea4a20b83ff0f3e570ebeb

BibTeX
@misc{grantable_205894228_2026,
  author       = {{Grantable}},
  title        = {{The Martin F Greenberg Family Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/the-martin-f-greenberg-family-foundation-morg_c632efb14aea4a20b83ff0f3e570ebeb},
  note         = {Accessed 2026-10-04. 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 The Martin F Greenberg Family 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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