Data / Foundation grants / Donald & Martha Dewees Foundation
Donald & Martha Dewees Foundation: 24 grants to organizations, $1.1 million (tax year ended December 2025)
Donald & Martha Dewees Foundation, a private foundation in Greenville, DE, paid 24 grants to organizations totaling $1,115,985 in its tax year ended December 2025, according to its Form 990-PF filed with the IRS on April 13, 2026. The largest was $250,000 to Biggs Museum in Dover, DE for operations.
SpecStream is the live web data engine for teams and agents. It reads every private foundation's Form 990-PF as the IRS publishes it, and this page is that reading. Ask for the foundations that fund your cause in your state, with the amounts and purposes, and new grants arrive in your sheet, CRM, Slack or agent as the returns are filed.
- EIN
- 260873138
- Based in
- Greenville, DE
- Assets
- $26,213,922
- Grants paid
- $1,115,985
- Tax year ended
- December 2025
Grants paid, tax year ended December 2025
From the Form 990-PF filed April 13, 2026, IRS object ID 202611039349100801. It reported $1,115,985 in grants paid; 24 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Biggs Museum | Dover, DE | Operations | $250,000 | apps.irs.gov | |
| Humane Animal Partners de | Wilmington, DE | Operations | $250,000 | apps.irs.gov | |
| The Challenge Program | Wilmington, DE | Operations | Education | $75,000 | apps.irs.gov |
| De Historical Society | Wilmington, DE | Operations | $65,000 | apps.irs.gov | |
| First Comm Foundation | Wilmington, DE | Operations | Housing and shelter | $50,000 | apps.irs.gov |
| Leukemia Lymphoma Soc | New York, NY | Annual fundraiser | $50,000 | apps.irs.gov | |
| Talon Reach Foundation | Three Forks, MT | Operations | $50,000 | apps.irs.gov | |
| YMCA of de | Wilmington, DE | Operations | $50,000 | apps.irs.gov | |
| Delaware Art Museum | Wilmington, DE | Operations | Arts, culture and humanities | $40,000 | apps.irs.gov |
| Camphill Village | Kimberton, PA | Operations | $25,000 | apps.irs.gov | |
| Mans Legacy Foundation | Greenville, DE | Operations | $25,000 | apps.irs.gov | |
| Plastic Free Delaware-Summer Sponsor | Wilmington, DE | Operations | $25,000 | apps.irs.gov | |
| Samaritans Purse | Boone, NC | Operations | Religion-related | $25,000 | apps.irs.gov |
| Salesianum School | Wilmington, DE | Operations | $20,000 | apps.irs.gov | |
| Serafin Presents Inc | Wilmington, DE | Operations | Arts, culture and humanities | $20,000 | apps.irs.gov |
| Delaware Nature Society | Hockessin, DE | Operations | Environment | $15,000 | apps.irs.gov |
| Friends of Canby Grove Park | Wilmington, DE | Operations | Recreation and sports | $15,000 | apps.irs.gov |
| Friends of John Dickinson Mansion | Dover, DE | Operations | Arts, culture and humanities | $15,000 | apps.irs.gov |
| The Kennett Pike Association | Wilmington, DE | Operations | $15,000 | apps.irs.gov | |
| De Audobon | Newark, DE | Operations | $13,396 | apps.irs.gov | |
| Hagley Museum & Library-Crowninshield Garden | Wilmington, DE | Operations | $10,000 | apps.irs.gov | |
| De Wild Lands | Townsend, DE | Operations | $5,089 | apps.irs.gov | |
| Coalition Salute American Heros | Williamsburg, VA | Operations | $5,000 | apps.irs.gov | |
| Stop Soldier Suicide | Raleigh, NC | Operations | $2,500 | apps.irs.gov |
Grants paid, tax year ended December 2024
From the Form 990-PF filed August 7, 2025, IRS object ID 202502199349100215. It reported $929,564 in grants paid; 19 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Biggs Museum | Dover, DE | Operations | $250,000 | apps.irs.gov | |
| Owls Nest Fund | Wilmington, DE | Operations | $210,000 | apps.irs.gov | |
| Leukemia Lymphoma Soc | New York, NY | Annual fundraiser | $100,000 | apps.irs.gov | |
| De Historical Society | Wilmington, DE | Operations | $65,000 | apps.irs.gov | |
| First Comm Foundation | Wilmington, DE | Operations | Housing and shelter | $50,000 | apps.irs.gov |
| Talon Reach Foundation | Three Forks, MT | Operations | $50,000 | apps.irs.gov | |
| American Red Cross | Wilmington, DE | Operations | $40,000 | apps.irs.gov | |
| Ronald McDonald House Charities | Wilmington, DE | Operations | $35,000 | apps.irs.gov | |
| Camphill Village | Kimberton, PA | Operations | $25,000 | apps.irs.gov | |
| Com FDN of Western NC | Asheville, NC | Operations | $20,000 | apps.irs.gov | |
| Humane Animal Partners de | Wilmington, DE | Operations | $20,000 | apps.irs.gov | |
| Salesianum School | Wilmington, DE | Operations | $20,000 | apps.irs.gov | |
| Kennett Pike Association | Wilmington, DE | Operations | $15,000 | apps.irs.gov | |
| Cash Canines Assisting Service Heros | Dover, DE | Service dog training | $12,000 | apps.irs.gov | |
| Delaware Art Museum | Wilmington, DE | Operations | Arts, culture and humanities | $10,000 | apps.irs.gov |
| De Horticulture | Wilmington, DE | Operations | $5,200 | apps.irs.gov | |
| Childrens Beach House | Wilmington, DE | Operations | $1,100 | apps.irs.gov | |
| Colel Chabad | Brooklyn, NY | Operations | Religion-related | $1,000 | apps.irs.gov |
| Tunnel To Towers | Staten Island, NY | Operations | $264 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Housing and shelter | $100,000 |
| Arts, culture and humanities | $85,000 |
| Education | $75,000 |
| Religion-related | $26,000 |
| Environment | $15,000 |
| Recreation and sports | $15,000 |
States funded
| Recipient state | Granted |
|---|---|
| Delaware | $1,691,785 |
| New York | $151,264 |
| Montana | $100,000 |
| Pennsylvania | $50,000 |
| North Carolina | $47,500 |
| Virginia | $5,000 |
Also on SpecStream
- Who funds housing and shelter in Delaware
- Who funds arts, culture and humanities in Delaware
- Who funds education in Delaware
- Who funds religion-related in North Carolina
- Who funds environment in Delaware
- Who funds recreation and sports in Delaware
Updated April 13, 2026. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.