Donald & Martha Dewees Foundation

GREENVILLE, DE EIN: 26-0873138

Donald & Martha Dewees Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in GREENVILLE, DE. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $22.7M in total assets. In 2024, it awarded 19 grants totaling $930K. Net investment income was $1.1M.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$22.7M

+0.1% YoY

Annual Giving

$930K

+829.6% YoY

Grant Count

19

+216.7% YoY

Avg Grant Size

$49K

+193.5% YoY

Under IRS private-foundation payout rules, Donald & Martha Dewees Foundation reported a distributable amount of $1.1M for 2024 — the minimum it must pay out in qualifying distributions.

About Donald & Martha Dewees Foundation

Based on IRS filings

Donald & Martha Dewees Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in GREENVILLE, DE. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $22.7M in total assets. In 2024, it awarded 19 grants totaling $930K. Net investment income was $1.1M.

Ready to take the next step with Donald & Martha Dewees Foundation?

Geographic Focus

Where this funder awards grants

Grant Distribution by State

9states
+1 more states

Cities

AshevilleBooneBrooklynDoverDurhamGreenvilleKimbertonLewisburgNew CastleNew YorkRocklandStaten IslandThree ForksTriangleWashingtonWest Palm BeachWilmington

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$309K$619K$928K$1M20202021202220232024
Metric202420232022
Total Assets$22,746,982$22,727,108$1,798,851
Revenue$1,124,669$986,178$144,768
Expenses$1,020,638$167,255$114,872
Qualifying Distributions$959,014$124,000$105,000
Net Investment Income$1,080,642$965,041$142,440
Distributable Amount$1,124,390$997,094$91,012

Giving Over Time

Total grant dollars and number of grants per year

$0$232K$465K$697K$930K15 grants20208 grants202110 grants20226 grants202319 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

BIGGS MUSEUM$250KOWLS NEST FUND$210KLEUKEMIA LYMPHOMA SOC$100KDE HISTORICAL SOCIETY$65KTALON REACH FOUNDATION$50KFIRST COMM FOUNDATION$50KAMERICAN RED CROSS$40KRONALD MCDONALD HOUSE CH…$35KCAMPHILL VILLAGE$25KHUMANE ANIMAL PARTNERS DE$20K

Grant Size Distribution

58 grants across all recorded years

52<$50K3$50–100K2$100–250K1$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Biggs Museum ($250,000), Owls Nest Fund ($210,000), Leukemia Lymphoma Soc ($100,000).

RecipientPurposeAmount
CASH CANINES ASSISTING SERVICE HEROS DOVER, DESERVICE DOG TRAINING$12,000
KENNETT PIKE ASSOCIATION WILMINGTON, DEOPERATIONS$15,000
HUMANE ANIMAL PARTNERS DE WILMINGTON, DEOPERATIONS$20,000
OWLS NEST FUND WILMINGTON, DEOPERATIONS$210,000
TALON REACH FOUNDATION THREE FORKS, MTOPERATIONS$50,000
DELAWARE ART MUSEUM WILMINGTON, DEOPERATIONS$10,000
FIRST COMM FOUNDATION WILMINGTON, DEOPERATIONS$50,000
RONALD MCDONALD HOUSE CHARITIES WILMINGTON, DEOPERATIONS$35,000
SALESIANUM SCHOOL WILMINGTON, DEOPERATIONS$20,000
CHILDRENS BEACH HOUSE WILMINGTON, DEOPERATIONS$1,100

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
MARTHA F DEWEESBOARD MEMBER
DONALD C DEWEES JRBOARD MEMBER
CECELIA L DUGANBOARD MEMBER

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What is Donald & Martha Dewees Foundation?

Donald & Martha Dewees Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in GREENVILLE, DE. It holds $22.7M in total assets as of 2024.

How large is Donald & Martha Dewees Foundation?

As of 2024, Donald & Martha Dewees Foundation holds $22.7M in total assets with $1.1M in annual revenue. It awarded 19 grants totaling $930K in 2024.

Where does Donald & Martha Dewees Foundation operate?

Donald & Martha Dewees Foundation has awarded grants in District of Columbia, Delaware, Florida, Iowa, Montana, North Carolina, New York, Pennsylvania, Virginia.

What size grants does Donald & Martha Dewees Foundation award?

In 2024, Donald & Martha Dewees Foundation awarded 19 grants totaling $930K — an average of about $49K per grant, based on its IRS Form 990 filings.

How much is Donald & Martha Dewees Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Donald & Martha Dewees Foundation reported a distributable amount of $1.1M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Donald & Martha Dewees Foundation's EIN?

Donald & Martha Dewees Foundation's EIN (Employer Identification Number) is 26-0873138. IRS Form 990 filing data is available on this page for 2020–2024.

Explore Open Grants

Browse active grant opportunities in Donald & Martha Dewees Foundation's focus areas in our free grants database

Related Funders

Similar funders by location and focus area

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

What could you do with Donald & Martha Dewees 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

Go from researching Donald & Martha Dewees Foundation to a real strategy.

Plan your approach