Funding search · EIN 260873138 · Greenville, DE

Donald & Martha Dewees Foundation

Name: Donald & Martha Dewees Foundation grants, 2022–2025
Creator: PaperOrbit
License: https://www.irs.gov/charities-non-profits/exempt-organization-public-disclosure-and-availability-requirements

A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.

59
grants reported: $2.2M
total given: 2022–2025
filing years: $20,000
median grant

Based on grants this organization reported to the IRS for tax years 2022–2025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

What they fund

fundraiser service training dewey delaware drive florida historical

Full IRS filings ↗How this is built Report an error

Funding pattern

What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.

Top recipients

Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.

Biggs Museum2 grants · $500,000
Humane Animal Partners De2 grants · $270,000
Owls Nest Fund2 grants · $230,000
Leukemia Lymphoma Soc2 grants · $150,000
De Historical Society2 grants · $130,000
First Comm Foundation2 grants · $100,000
Talon Reach Foundation2 grants · $100,000
Delaware Art Museum4 grants · $96,500
The Challenge Program1 grant · $75,000
American Red Cross2 grants · $50,000

Giving over time

$81,000

2022

$100,000

2023

$929,564

2024

$1.1M

2025

Grant history

All 59 reported grants, largest first.

$250,000
Biggs Museum · Dover, DE · 2025
Operations
$250,000
Humane Animal Partners De · Wilmington, DE · 2025
Operations
$250,000
Biggs Museum · Dover, DE · 2024
Operations
$210,000
Owls Nest Fund · Wilmington, DE · 2024
Operations
$100,000
Leukemia Lymphoma Soc · New York, NY · 2024
Annual fundraiser
$75,000
The Challenge Program · Wilmington, DE · 2025
Operations
$65,000
De Historical Society · Wilmington, DE · 2025
Operations
$65,000
De Historical Society · Wilmington, DE · 2024
Operations
$50,000
First Comm Foundation · Wilmington, DE · 2025
Operations
$50,000
Leukemia Lymphoma Soc · New York, NY · 2025
Annual fundraiser
$50,000
Talon Reach Foundation · Three Forks, MT · 2025
Operations
$50,000
Ymca of De · Wilmington, DE · 2025
Operations
$50,000
First Comm Foundation · Wilmington, DE · 2024
Operations
$50,000
Talon Reach Foundation · Three Forks, MT · 2024
Operations
$40,000
Delaware Art Museum · Wilmington, DE · 2025
Operations
$40,000
American Red Cross · Wilmington, DE · 2024
Operations
$35,000
Ronald McDonald House Charities · Wilmington, DE · 2024
Operations
$31,000
Delaware Art Museum · Wilmington, DE · 2023
Operations
$25,000
Camphill Village · Kimberton, PA · 2025
Operations
$25,000
Mans Legacy Foundation · Greenville, DE · 2025
Operations
$25,000
Plastic Free Delaware-Summer Sponsor · Wilmington, DE · 2025
Operations
$25,000
Samaritans Purse · Boone, NC · 2025
Operations
$25,000
Camphill Village · Kimberton, PA · 2024
Operations
$25,000
Leukemia Lymphoma Society · New York, NY · 2023
Annual fundraiser
$20,000
Salesianum School · Wilmington, DE · 2025
Operations
$20,000
Serafin Presents · Wilmington, DE · 2025
Operations
$20,000
Com Fdn of Western Nc · Asheville, NC · 2024
Operations
$20,000
Humane Animal Partners De · Wilmington, DE · 2024
Operations
$20,000
Salesianum School · Wilmington, DE · 2024
Operations
$20,000
Delaware Historical Society · Wilmington, DE · 2023
Operations
$20,000
Owls Nest Fund · Greenville, DE · 2022
Historical repair/maintenance
$15,500
Delaware Art Museum · Wilmington, DE · 2022
Operations
$15,000
Delaware Nature Society · Hockessin, DE · 2025
Operations
$15,000
Friends of Canby Grove Park · Wilmington, DE · 2025
Operations
$15,000
Friends of John Dickinson Mansion · Dover, DE · 2025
Operations
$15,000
The Kennett Pike Association · Wilmington, DE · 2025
Operations
$15,000
Kennett Pike Association · Wilmington, DE · 2024
Operations
$13,396
De Audobon · Newark, DE · 2025
Operations
$12,000
Cash Canines Assisting Service Heros · Dover, DE · 2024
Service dog training
$12,000
Cash Canines Assisting Service Heroes · Dover, DE · 2023
Service dog training (dewey)
$12,000
Cash Canines Assisting Service Heroes · Dover, DE · 2022
Service dog training (dewey)
$10,000
Hagley Museum & Library-Crowninshield Garden · Wilmington, DE · 2025
Operations
$10,000
Delaware Art Museum · Wilmington, DE · 2024
Operations
$10,000
Samaritans Purse · Boone, NC · 2023
Operations
$10,000
American Red Cross · Boone, IA · 2022
Florida hurricane relief
$10,000
Learn To Read Foundation Llc · Greenville, DE · 2022
Operations
$5,500
Biggs Museum of American Art · Dover, DE · 2022
Operations
$5,200
De Horticulture · Wilmington, DE · 2024
Operations
$5,089
De Wild Lands · Townsend, DE · 2025
Operations
$5,000
Coalition Salute American Heros · Williamsburg, VA · 2025
Operations
$5,000
Leukemia Lymphoma Society · New York, NY · 2022
Lavaman triathalon fundraiser
$2,500
Stop Soldier Suicide · Raleigh, NC · 2025
Operations
$2,000
Childrens Beach House · Wilmington, DE · 2023
Operations
$2,000
East Coast Greenway Alliance · Durham, NC · 2022
Fundraiser
$1,100
Childrens Beach House · Wilmington, DE · 2024
Operations
$1,000
Colel Chabad · Brooklyn, NY · 2024
Operations
$500
Make-a-Wish Foundation · Wilmington, DE · 2022
Operations
$500
Toys for Tots Delaware · Triangle, VA · 2022
Delaware fund drive
$264
Tunnel To Towers · Staten Island, NY · 2024
Operations

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Source: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.