The David Mduffy Jr Foundation

GARDEN CITY, NY EIN: 87-6588743

The David Mduffy Jr Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, 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.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$98K

-20.7% YoY

Annual Giving

$34K

+42.9% YoY

Grant Count

7

+40.0% YoY

Avg Grant Size

$5K

+2.0% YoY

About The David Mduffy Jr Foundation

Based on IRS filings

The David Mduffy Jr Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, 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.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

1states

States

Cities

BellportBrookhavenHampsteadHempsteadNew OrkNew York

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$43K$86K$129K$172K2021202220232024
Metric202420232022
Total Assets$98,322$124,033$132,543
Revenue$17,094$17,862$33,623
Expenses$42,805$26,372$44,263
Qualifying Distributions$42,374$25,161$44,070
Net Investment Income$2,456
Distributable Amount$6,394$6,221$6,839

Giving Over Time

Total grant dollars and number of grants per year

$0$9K$17K$26K$34K0 grants20214 grants20225 grants20237 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 7 recipients in 2024

HARLEM LACROSSE$10KBOYS GIRLS CLUB OF THE B…$5KTHE DREAM CHARTER SCHOOL$5KFRIENDS OF THE BELLPORT …$5KCEED$5KBELLPORT HIGH SCHOOL$3KINTERFAITH NUTRITION NET…$1K

Grant Size Distribution

16 grants across all recorded years

16<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
DAVID M DUFFYTrustee10
PAUL W DUFFYTrustee1
NANCY DUFFYTrustee1
RYAN KELLYTrustee1
SUSAN DUFFYTrustee1
ADRIENNE SEBRINGTrustee1

Subject Areas

Focus areas based on grantmaking activity

Related Funders

Similar funders by location and focus area

Data last updated April 2026. Sourced from IRS Form 990-PF filings.

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