Al & Peggy Dematteis Family Foundation logo

Al & Peggy Dematteis Family Foundation

Private foundation · Grantmaker Manhasset, NY EIN: 11-3052224 Website

The Al & Peggy Dematteis Family Foundation is a private foundation based in Manhasset, New York. Its 2025 filing reports 283 grants totaling $176,741, with listed awards supporting organizations including churches, schools, and human-services organizations.

Al & Peggy Dematteis Family Foundation at a glance

In short: Al & Peggy Dematteis Family Foundation gave $177K across 283 grants in 2025 (avg $624.527), mostly in New York. 28% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$176,741
-12.5% vs 2024
Grants made (2025)
283
-7.2% vs 2024
Average grant
$625
-5.7% vs 2024
Median grant
$400
Total assets
$2,971,785
+6.5% vs 2024
New grantees (estimate)
28% first-time grantees (78 of 283, 2025)
Primary geography
New York (74% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to Al & Peggy Dematteis Family Foundation

Contact

Application contact: Keith Dematteis
Mailing address: 2 Park Ave Ste 203, Manhasset, NY 11030
Phone: (516) 439-4442

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

Who Al & Peggy Dematteis Family Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

St Francis De Sales RC Church: $12KSt Francis De Sales RC Church$12KSt Francis De Sales (Capital Campaign): $9KSt Francis De Sales (CapitalCampaign)$9KZoller Memorial Fund: $6KZoller Memorial Fund$6KHeartshare Human Services: $5KHeartshare Human Services$5KCatholic Charities (Dob): $3KCatholic Charities (Dob)$3KTomorrow's Hope Foundation II: $3KTomorrow's Hope Foundation II$3KHearts to Homes Furnishings: $3KHearts to Homes Furnishings$3KGift of Life International: $3KGift of Life International$3KArchbishop Molloy HS: $3KArchbishop Molloy HS$3KFutures in Education Foundation: $3KFutures in EducationFoundation$3K

The largest 2025 recipient was St Francis De Sales RC Church ($12K). Together the top 10 received $49K.

Grant Size Distribution

1,371 grants across all recorded years

1371<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 1,371 grants of 1,371 (100%).

Geographic Focus

Where this funder awards grants

The foundation is based in Manhasset, New York. In 2025, 74% of grant dollars went to recipients in New York; other leading recipient states were Florida and New Jersey, at 4% each, followed by Pennsylvania and California, at 2% each.

Grant Distribution by State

37states

Share of 2025 grant dollars across all 283 itemized grants.

Cities

New YorkBrooklynWashingtonManhassetRockawayStaten IslandBronxChicagoGarden CityYonkersPort WashingtonQueensVillanovaPhiladelphiaRockville CentreWinston-SalemRockaway ParkBaltimoreMelvilleUniondale

Is Al & Peggy Dematteis Family Foundation open to new grantees?

28%

first-time grantees, 2025

In 2025, 78 of 283 grantees (28%) were first-time recipients. First grants averaged $449; repeat grants $691. How we count

Medians: $250 first-time, $500 repeat.

  • 63% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (+6%). Method
  • In 2025 it paid out 124% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). 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$100K$200K$300K232 grants2020 258 grants2021 255 grants2022 270 grants2023 305 grants2024 283 grants2025

From 2020 to 2025, annual grant giving ranged from $167K (2022) to $202K (2024). In 2025 it made 283 grants totaling $177K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
St Francis De Sales RC Church Rockaway, NYGeneral Charitable Funding$11,560
St Francis De Sales (Capital Campaign) Brooklyn, NYGeneral Charitable Funding$9,000
Zoller Memorial Fund Port Washington, NYGeneral Charitable Funding$6,000
Heartshare Human Services Brooklyn, NYGeneral Charitable Funding$4,750
Catholic Charities (Dob) Brooklyn, NYGeneral Charitable Funding$3,250
Tomorrow's Hope Foundation II Uniondale, NYGeneral Charitable Funding$3,250
Hearts to Homes Furnishings Yonkers, NYGeneral Charitable Funding$3,025
Gift of Life International Fresh Meadows, NYGeneral Charitable Funding$3,000
Archbishop Molloy HS Briarwood, NYGeneral Charitable Funding$2,850
Futures in Education Foundation Brooklyn, NYGeneral Charitable Funding$2,500
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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
2025$2,971,785$368,465$195,375$176,741283$176,741$80,530$143,086
2024$2,789,808$1,401,123$207,253$202,029305$202,029$1,022,189$109,114
2023$2,377,169$409,459$173,823$169,300270$169,300$54,999$98,543
2022$1,957,131$404,093$170,554$166,805255$166,805$64,951$85,796
2021$2,304,098$351,296$194,980$191,540258$191,540$36,646$87,063
2020$1,404,035$339,765$178,546$175,572232—$27,641$60,199

Under IRS private-foundation payout rules, Al & Peggy Dematteis Family Foundation reported a distributable amount of $143K for 2025 — the minimum it must pay out in qualifying distributions.

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

Mission & Focus Areas

The foundation’s mission is to make life better by serving human needs. Its 2025 grants include support for a range of organizations. For example, Tomorrow’s Hope Foundation II describes its work as supporting Catholic schools on Long Island through awareness, scholarships, and program funding. Hearts to Homes Furnishings says it provides essential furnishings to young adults transitioning out of foster care. Gift of Life International describes its work as facilitating free medical services, primarily for children with heart defects and similar illnesses.

Other supported organizations describe work in environmental conservation, poverty relief, disaster response, and reconstructive surgery. These are grantees’ stated missions, not additional missions stated by the foundation.

Grantmaking

In filing year 2025, the foundation made 283 grants totaling $176,741. Awards ranged from $100 to $11,560, with a median grant of $400. The largest listed grants included $11,560 to St. Francis de Sales RC Church in Rockaway, New York; $9,000 to St. Francis de Sales (Capital Campaign) in Brooklyn; and $6,000 to Zoller Memorial Fund in Port Washington. The filing lists the purposes for these grants as general charitable funding.

Other 2025 awards included $4,750 to HeartShare Human Services, $3,250 each to Catholic Charities (DOB) and Tomorrow’s Hope Foundation II, $3,025 to Hearts to Homes Furnishings, and $3,000 to Gift of Life International.

The foundation’s grant program describes a two-step application process: submit a one-page letter of inquiry, then submit a complete application if the inquiry meets the guidelines. Applications are reviewed quarterly by the Board of Trustees, whose decisions are final. The letter of inquiry should describe the organization’s mission and services, the proposed project or program, its total cost, other sources and amounts of support, and its schedule; it should also include the organization’s IRS 501(c)(3) tax-exempt status letter. The program states that organizations must have IRS 501(c)(3) tax-exempt status. The program is listed as currently open, and the filing says that application form, materials, deadlines, and award restrictions are not applicable.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Keith DeMatteis, Peggy DeMatteis, and Kelly Kelley as directors.

Al & Peggy Dematteis Family Foundation's 2025 filing lists 3 officers; none of the 3 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Keith Dematteis

    Director & As Req'd

    On filings since 2020

    No compensation reported

  • Kelly Kelley

    Director & As Req'd

    On filings since 2020

    No compensation reported

  • Peggy Dematteis

    Director & As Req'd

    On filings since 2020

    No compensation reported

Data from IRS Form 990 filings, 2020–2025. "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 Al & Peggy Dematteis Family Foundation

How much does Al & Peggy Dematteis Family Foundation give each year?

Al & Peggy Dematteis Family Foundation gave $177K across 283 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $202K across 305 grants.

What is Al & Peggy Dematteis Family Foundation's typical grant size?

Al & Peggy Dematteis Family Foundation's median grant in 2025 was $400, and its average grant was $625, across 283 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Al & Peggy Dematteis Family Foundation that year got $449 on average.

Where does Al & Peggy Dematteis Family Foundation give grants?

Al & Peggy Dematteis Family Foundation gives mostly in New York: 74% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Brooklyn, NY (27 grants), New York, NY (27 grants), Washington, DC (9 grants) and Manhasset, NY (8 grants).

Does Al & Peggy Dematteis Family Foundation give general operating support?

Yes: 100% of Al & Peggy Dematteis Family Foundation's 2025 grants with a stated purpose (283 of 283) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are Al & Peggy Dematteis Family Foundation's largest grantees?

Al & Peggy Dematteis Family Foundation's largest 2025 grantees include St Francis De Sales RC Church ($11,560), St Francis De Sales (Capital Campaign) ($9,000) and Zoller Memorial Fund ($6,000), according to its 2025 IRS Form 990-PF. Together they received 15% of its itemized 2025 grant dollars.

How large is Al & Peggy Dematteis Family Foundation?

Al & Peggy Dematteis Family Foundation reported $3.0M in total assets on its 2025 IRS Form 990-PF. It paid out $177K in qualifying distributions that year, against a required minimum of $143K (roughly 5% of its investment assets).

What does Al & Peggy Dematteis Family Foundation fund?

The foundation’s mission is to make life better by serving human needs. Its 2025 grants include support for a range of organizations. For example, Tomorrow’s Hope Foundation II describes its work as supporting Catholic schools on Long Island through awareness, scholarships, and program funding. See mission & focus areas ↑

How do I apply for a grant from Al & Peggy Dematteis Family Foundation?

Al & Peggy Dematteis Family Foundation has no public application process in the sources Grantable reviewed. Check dematteisfamilyfoundation.org for current guidelines, or contact the foundation directly before submitting a request.

What is Al & Peggy Dematteis Family Foundation's EIN?

Al & Peggy Dematteis Family Foundation's EIN (Employer Identification Number) is 11-3052224. IRS Form 990 filing data is available on this page for 2020–2025.

Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated October 2026.

Data update history

(2)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2025 (received by the IRS May 11, 2026)
  2. IRS filings on file for fiscal years 2020–2024

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Cite this profile

Grantable. (2026). Al & Peggy Dematteis Family Foundation funder profile. GrantGraph. Retrieved October 22, 2026, from https://grantable.co/funders/al-and-peggy-dematteis-family-foundation-morg_b2f9dca781ab4db9824f498af907f30b

BibTeX
@misc{grantable_113052224_2026,
  author       = {{Grantable}},
  title        = {{Al \& Peggy Dematteis Family Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/al-and-peggy-dematteis-family-foundation-morg_b2f9dca781ab4db9824f498af907f30b},
  note         = {Accessed 2026-10-22. 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 Al & Peggy Dematteis 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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