Private foundation · EIN 26-0873138 · Greenville, Delaware · Philanthropy & grantmaking

Donald and Martha Dewees Foundation

Should you approach them?

Yes, approach them if you're in Delaware. The foundation accepts applications (September 30 of each year to be considered for the year.) and its median grant is $25K.

From the 2025 Form 990-PF: 24 grants paid, $1.1M total, median $25K. 75% of grants stayed in Delaware. Stated restrictions: NONE

Accepts applications
Yes
per 990-PF Part XV
Grants paid, 2025
24
$1.1M
Median grant
$25K
Stays in DE
75%
of grants
Deadline
See below
September 30 of each year to be consider
Assets
$23M

How to apply

Formal written request outlining purpose of agency and reason to be considered for a contribution. Contact: Gretchen Kennedy, Po Box 3898, Greenville, de, 3024288638 Deadlines: September 30 of each year to be considered for the year. Restrictions: NONE

Quoted from Part XV of the foundation's 2025 Form 990-PF; the full text is in the filing. Confirm on the foundation's website before you write.

Grants paid in 2025

24 grants, all shown · from Form 990-PF Part XV

RecipientPurposeAmount
Humane Animal Partners deWilmington, DEOperations$250K
Biggs MuseumDover, DEOperations$250K
The Challenge ProgramWilmington, DEOperations$75K
De Historical SocietyWilmington, DEOperations$65K
Talon Reach FoundationThree Forks, MTOperations$50K
FIRST Comm FoundationWilmington, DEOperations$50K
YMCA of deWilmington, DEOperations$50K
Leukemia Lymphoma SocNew York, NYAnnual fundraiser$50K
Delaware Art MuseumWilmington, DEOperations$40K
Camphill VillageKimberton, PAOperations$25K
Samaritans PurseBoone, NCOperations$25K
Plastic Free Delaware-Summer SponsorWilmington, DEOperations$25K
Mans Legacy FoundationGreenville, DEOperations$25K
Serafin Presents IncWilmington, DEOperations$20K
Salesianum SchoolWilmington, DEOperations$20K
Friends of Canby Grove ParkWilmington, DEOperations$15K
The Kennett Pike AssociationWilmington, DEOperations$15K
Friends of John Dickinson MansionDover, DEOperations$15K
Delaware Nature SocietyHockessin, DEOperations$15K
De AudobonNewark, DEOperations$13K
Hagley Museum & Library-Crowninshield GardenWilmington, DEOperations$10K
De Wild LandsTownsend, DEOperations$5,089
Coalition Salute American HerosWilliamsburg, VAOperations$5,000
Stop Soldier SuicideRaleigh, NCOperations$2,500

By state: Delaware 18 · Montana 1 · New York 1 · North Carolina 2 · Pennsylvania 1 · Virginia 1

About this foundation

Donald and Martha Dewees Foundation is a private grantmaking foundation in Greenville, Delaware, administered in care of Donald C Dewees Sr, tax-exempt since 2009. Private foundations must pay out roughly 5% of their assets each year, mostly as grants to 501(c)(3) public charities.

All filings on ProPublica

Does Donald and Martha Dewees Foundation accept grant applications?

Yes. On its 2025 Form 990-PF the foundation indicates it accepts applications. Formal written request outlining purpose of agency and reason to be considered for a contribution. Deadlines: September 30 of each year to be considered for the year..

How much does Donald and Martha Dewees Foundation give each year?

In tax year 2025 it paid $1.1M across 24 grants, a median of $25K.

Where does Donald and Martha Dewees Foundation give?

Delaware (18 grants), Montana (1 grants), New York (1 grants) and elsewhere, per its latest filing.

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