The David Mduffy Jr Foundation
The David Mduffy Jr Foundation is a private foundation, based in Garden City, NY. IRS filing data is available from 2021 through 2024. As of 2024, the organization holds $98K in total assets. In 2024, it awarded 7 grants totaling $34K. Net investment income was $2K.
The David Mduffy Jr Foundation at a glance
In short: The David Mduffy Jr Foundation gave $34K across 7 grants in 2024 (avg $5K), mostly in New York. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $34,000
- +42.9% vs 2023
- Grants made (2024)
- 7
- +40.0% vs 2023
- Average grant
- $4,857
- +2.0% vs 2023
- Median grant
- $5,000
- Total assets
- $98,322
- -20.7% vs 2023
- Primary geography
- New York (100% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated September 2026.
Who The David Mduffy Jr Foundation funds
How this funder distributes its grants
Top Recipients
Top 7 recipients in 2024
The largest 2024 recipient was Harlem Lacrosse ($10K). Together the top 7 received $34K.
Grant Size Distribution
16 grants across all recorded years
The most common grant size was under $50K: 16 grants of 16 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 7 itemized grants.
States
Cities
How The David Mduffy Jr Foundation gives
- In 2024 it paid out 663% of its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2022 to 2024, annual grant giving ranged from $24K (2023) to $34K (2024). In 2024 it made 7 grants totaling $34K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Harlem Lacrosse New ORK, NY | General Purpose Fund | $10,000 |
| Boys Girls Club of the Bellport Are Bellport, NY | General Purpose Fund | $5,000 |
| The Dream Charter School New York, NY | General Purpose Fund | $5,000 |
| Friends of the Bellport Bay Bellport, NY | General Purpose Fund | $5,000 |
| Ceed Brookhaven, NY | General Purpose Fund | $5,000 |
| Bellport High School Brookhaven, NY | General Purpose Fund | $3,000 |
| Interfaith Nutrition Network Hempstead, NY | General Purpose Fund | $1,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2024 | $98,322 | $17,094 | $42,805 | $34,000 | 7 | $42,374 | $2,456 | $6,394 |
| 2023 | $124,033 | $17,862 | $26,372 | $23,800 | 5 | $25,161 | — | $6,221 |
| 2022 | $132,543 | $33,623 | $44,263 | $24,600 | 4 | $44,070 | — | $6,839 |
| 2021 | $143,183 | $156,342 | $13,159 | — | — | $11,839 | — | $7,676 |
Under IRS private-foundation payout rules, The David Mduffy Jr Foundation reported a distributable amount of $6K for 2024 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
The David Mduffy Jr Foundation's 2024 filing lists 6 officers; none of the 6 officers listed in 2024 report compensation.
Officers on the 2024 filing
Adrienne Sebring
Trustee
On filings since 2021
1 hr/week
No compensation reported
David M. Duffy
Trustee
On filings since 2021
10 hrs/week
No compensation reported
Nancy Duffy
Trustee
On filings since 2021
1 hr/week
No compensation reported
Paul W. Duffy
Trustee
On filings since 2021
1 hr/week
No compensation reported
Ryan Kelly
Trustee
On filings since 2021
1 hr/week
No compensation reported
Susan Duffy
Trustee
On filings since 2021
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2021–2024. "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 David Mduffy Jr Foundation
How much does The David Mduffy Jr Foundation give each year?
The David Mduffy Jr Foundation gave $34K across 7 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $24K across 5 grants.
What is The David Mduffy Jr Foundation's typical grant size?
The David Mduffy Jr Foundation's median grant in 2024 was $5,000, and its average grant was $4,857, across 7 grants on its 2024 IRS Form 990-PF.
Where does The David Mduffy Jr Foundation give grants?
The David Mduffy Jr Foundation gives mostly in New York: 100% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Bellport, NY (2 grants) and Brookhaven, NY (2 grants).
Does The David Mduffy Jr Foundation give general operating support?
Yes: 100% of The David Mduffy Jr Foundation's 2024 grants with a stated purpose (7 of 7) were for general or operating support, per its 2024 IRS Form 990-PF.
Who are The David Mduffy Jr Foundation's largest grantees?
The David Mduffy Jr Foundation's largest 2024 grantees include Harlem Lacrosse ($10,000), Boys Girls Club of the Bellport Are ($5,000) and The Dream Charter School ($5,000), according to its 2024 IRS Form 990-PF. Together they received 59% of its itemized 2024 grant dollars.
How large is The David Mduffy Jr Foundation?
The David Mduffy Jr Foundation reported $98K in total assets on its 2024 IRS Form 990-PF. It paid out $42K in qualifying distributions that year, against a required minimum of $6K (roughly 5% of its investment assets).
What is The David Mduffy Jr Foundation's EIN?
The David Mduffy Jr Foundation's EIN (Employer Identification Number) is 87-6588743. IRS Form 990 filing data is available on this page for 2021–2024.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2021–2024
Live grants for the work The David Mduffy Jr Foundation funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
- Nixa Affiliate Grantmaking Program Up to US $10,000 · Due October 19, 2026
- Community and School Grants $28,000 total pool; 10-15 grants expected · Due October 19, 2026
- Mary Pinola/Crescenta Valley Chamber Education Fund $500 - $5,000 for ongoing programs; up to $15,000 for Strategic Initiative Grants · Due October 19, 2026
Explore Open Grants
Browse active grant opportunities in The David Mduffy Jr Foundation's focus areas in our free grants database
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