Charity Search / DONALD AND MARTHA DEWEES FOUNDATION
Philanthropy & Grantmaking (T22) 990 on File

DONALD AND MARTHA DEWEES FOUNDATION

EIN: 26-0873138 · GREENVILLE, DE 19807-0898 · United States · FY 2025 Data
3 out of 5 48 / 100 Based on 2+ years of filings
Financial strength (30%) 83/100
Reliability (20%) 50/100
Effectiveness (25%) 51/100
Impact (25%) No data yet
Financial data: FY 2025 · Scored 9/13/2026
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Financial Overview — FY 2025
$1.3M
Total Revenue
$1.3M
Total Expenses
$22.7M
Net Assets
N/A
Employees
Revenue Sources
Expense Breakdown
Program Expense Ratio 89.8%
Fundraising Efficiency N/A
Operating Reserve 213.81x
Liability-to-Asset 0.0%
Revenue Diversification 91.7%
Executive Compensation $24K
Compared with Peers
FY 2025
Compared with 2,423 similar organizations (United States, Philanthropy & Grantmaking, $1M–$10M in expenses), FY 2025.
This organization Middle half of peers (P25–P75) Peer median
Ratio This org Peer median Position (P10 → P90)
Program expense ratio
Program expenses / total expenses · higher is better
89.8% 91.3%
P10P90
Below median
Operating reserve
Months of expenses covered by net assets · higher is better
213.8 mo 65.7 mo
P10P90
Top quarter
Liabilities to assets
Total liabilities / total assets · lower is better
0.0% 0.0%
P10P90
Top quarter
Revenue concentration
Share of revenue from the largest source · lower is better
91.7% 90.4%
P10P90
Below median
Revenue growth
Year over year revenue growth
12.6% 9.0%
P10P90
Expense growth
Year over year expense growth
25.0% 9.3%
P10P90
Surplus margin
Surplus as a share of revenue
-0.8% 3.0%
P10P90
Financial History
Year Revenue Expenses Net Assets Program % Staff
2025 $1.3M $1.3M $22.7M 89.8% —
2024 $1.1M $1.0M $22.7M 94.0% —
2023 $986K $167K $22.7M 74.1% —
2022 $145K $115K $1.8M 91.4% —
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Organization Details
EIN
26-0873138
State
DE
City
GREENVILLE
ZIP
19807-0898
Classification
T22
Category
Philanthropy & Grantmaking
Rating
3★
Coverage
A
Last Updated
Aug 2026
Form 990
On File
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