Al & Peggy Dematteis Family Foundation logo

Al & Peggy Dematteis Family Foundation

MANHASSET, NY EIN: 11-3052224 Website

The Al & Peggy Dematteis Family Foundation is a private 501(c)(3) foundation established in 1991 and based in Manhasset, New York. The foundation operates as a family foundation with a focus on charitable giving across multiple sectors.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$2.8M

+17.4% YoY

Annual Giving

$202K

+19.3% YoY

Grant Count

305

+13.0% YoY

Avg Grant Size

$662.39

+5.6% YoY

Under IRS private-foundation payout rules, Al & Peggy Dematteis Family Foundation reported a distributable amount of $109K for 2024 — the minimum it must pay out in qualifying distributions.

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

Mission & Focus Areas

The foundation's mission is to make life better by serving human needs through support to institutions involved in:

  • Education
  • Health and Human Services
  • Medical Research
  • Social Services
  • The Arts

The foundation maintains a primary emphasis on the New York Metropolitan area.

Grantmaking

The foundation supports a diverse range of charitable organizations, with grantees including educational institutions, religious organizations, and human services providers.

Average Grant

amount varies by year

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Geographic Focus

Where this funder awards grants

Primary funding focus is the New York Metropolitan area, with additional giving in New Jersey and the District of Columbia.

Grant Distribution by State

33states
+25 more states

Cities

AlbanyAlexandriaAllentwonAmericusAmityvilleAnnapolisArlingtonArverneAsbury ParkAshburnAthertonAtlantaAtlantic BeachAustinBakersfieldBaldwinBaltimoreBay ShoreBaysideBeaver Falls

Financial History

Multi-year comparison from IRS filings

As of December 2024:

  • Total Assets: $2,789,808
  • Revenue: $1,401,123
  • Expenses: $207,253
  • Net Income: $1,193,870
  • Total Liabilities: $0

As of December 2023:

  • Total Assets: $2,377,169
  • Total Revenues: $409,459
  • Total Expenses: $173,823

Staffing:

  • 0 employees (as of 2023)
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$385K$771K$1M$2M20202021202220232024
Metric202420232022
Total Assets$2,789,808$2,377,169$1,957,131
Revenue$1,401,123$409,459$404,093
Expenses$207,253$173,823$170,554
Qualifying Distributions$202,029$169,300$166,805
Net Investment Income$1,022,189$54,999$64,951
Distributable Amount$109,114$98,543$85,796

Giving Over Time

Total grant dollars and number of grants per year

$0$51K$101K$152K$202K232 grants2020258 grants2021255 grants2022270 grants2023305 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

SISTERS OF ST JOSEPH$200THE NORTH BROOKLYN COALI…$200NORTH SHORE UNIVERSITY H…$200UPLIFITING ATHLETES$200NORTHWELL HEALTH FOUNDAT…$200NEW YORK STATE GRAND LOD…$200AID TO CHURCH IN NEED$200NATIONAL SHRINE$200TOUGH2GETHER FOUNDATION$200ST CLEMENT HEALTHCARE CE…$200

Grant Size Distribution

250 grants across all recorded years

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

Open Grants

1 open opportunity from Al & Peggy Dematteis Family Foundation

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Sisters of St Joseph ($200), The North Brooklyn Coalition of Neighbors Helping Neighbors Inc (dba Nort ($200), North Shore University Hospital Auxiliary ($200).

RecipientPurposeAmount
LIFE ROLLS ON FOUNDATION LOS ANGELES, CAGENERAL CHARITABLE FUNDING$100
LAW OF THE WILD TAMPA, FLGENERAL CHARITABLE FUNDING$100
ITALIAN AMERICAN ONE VOICE COALITION INC NORTHVALE, NJGENERAL CHARITABLE FUNDING$100
ST JOSEPH THE WORKER CATHOLIC ACADEMY BROOKLYN, NYGENERAL CHARITABLE FUNDING$100
COLORECTAL CANCER ALLIANCE WASHINGTON, DCGENERAL CHARITABLE FUNDING$100
MEMORIAL SLOAN KETTERING CANCER CENTER NEW YORK, NYGENERAL CHARITABLE FUNDING$100
ATLANTIC MARINE CONSERVATION SOCIETY HAMPTON, NYGENERAL CHARITABLE FUNDING$100
STEPHEN SILLER TUNNEL TO TOWERS FOUNDATION STATEN ISLAND, NYGENERAL CHARITABLE FUNDING$100
NASSAU COUNTY PAL NEW HYDE PARK, NYGENERAL CHARITABLE FUNDING$100
MORGAGNI MEDICAL SOCIETY OF NEW YORK DOUGLASTON, NYGENERAL CHARITABLE FUNDING$100

Leadership & Key People

Leadership team and compensation from IRS filings

  • Keith Dematteis – Treasurer (as of 2024)

The foundation board includes family members of the DeMatteis family.

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
KEITH DEMATTEISDIRECTOR/AS REQ'D
PEGGY DEMATTEISDIRECTOR/AS REQ'D
KELLY KELLEYDIRECTOR/AS REQ'D

Contact Information

Address: 2 Park Ave Suite 203, Manhasset, NY 11030-2410

Phone: 516-439-4448

EIN: 11-3052224

Tax-Exempt Status: Designated 501(c)(3) since June 1991

Frequently Asked Questions

What does Al & Peggy Dematteis Family Foundation fund?

The foundation's mission is to make life better by serving human needs through support to institutions involved in: • Education • Health and Human Services • Medical Research • Social Services • The Arts The foundation maintains a primary emphasis on the New York Metropolitan area.

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

**Grant Activity:** • Made 232 grants in 2023 • Total giving in 2023: $169,300 • Typical award range: $50–$12,250 • Average grant amount varies by year • Median grant amount varies by year **Recent Grant Examples (2023):** • La Salle Academy: $5,000 • Unsung Siblings Foundation: $2,650 • Joseph C Zoller Memorial Fund: $2,000 The foundation supports a diverse range of charitable organizations, with grantees including educational institutions, religious organizations, and human services providers.

Where does Al & Peggy Dematteis Family Foundation make grants?

Primary funding focus is the New York Metropolitan area, with additional giving in New Jersey and the District of Columbia.

What size grants does Al & Peggy Dematteis Family Foundation award?

In 2024, Al & Peggy Dematteis Family Foundation awarded 305 grants totaling $202K — an average of about $662.39 per grant, based on its IRS Form 990 filings.

How much is Al & Peggy Dematteis Family Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Al & Peggy Dematteis Family Foundation reported a distributable amount of $109K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

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 2020–2024.

Explore Open Grants

Browse active grant opportunities in Al & Peggy Dematteis Family Foundation's focus areas in our free grants database

Related Funders

Similar funders by location and focus area

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

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