Al & Peggy Dematteis Family Foundation
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
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
Ready to take the next step with Al & Peggy Dematteis Family Foundation?
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
States
Cities
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)
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| 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
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
250 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
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
| Name | Title | Hours | Compensation |
|---|---|---|---|
| KEITH DEMATTEIS | DIRECTOR/AS REQ'D | — | — |
| PEGGY DEMATTEIS | DIRECTOR/AS REQ'D | — | — |
| KELLY KELLEY | DIRECTOR/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
Related Funders
Similar funders by location and focus area
Launa Beuhler Foundation for
BROOKLYN, NY
Assets
$2K
Grants
4
Total Given
$20K
Uw E J Madden Mem Open Hearts Club 10-214880
NEW YORK, NY
Assets
$1.3M
Grants
1
Total Given
$307K
Hindy's Foundation
BROOKLYN, NY
Assets
$142K
Grants
8
Total Given
$225K
Jeanne & Thomas Hardy Family Foundation
NEW YORK, NY
Assets
$3K
Grants
3
Total Given
$3K
Ramsleg Foundation
BRIGHTWATERS, NY
Assets
$543
Grants
1
Total Given
$500
Druckenmiller Foundation
NEW YORK, NY
Assets
$1.8B
Grants
58
Total Given
$135.7M
Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
What could you do with Al & Peggy Dematteis Family Foundation on Grantable?
- Assess strategic fit with your organization
- Draft a tailored letter of inquiry
- Find open RFPs from this funder
- Monitor for new funding opportunities