William and Susan Dalton Foundation
William and Susan Dalton Foundation is a private foundation, based in Naples, FL. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $90K in total assets. In 2025, it awarded 2 grants totaling $295K.
William and Susan Dalton Foundation at a glance
In short: William and Susan Dalton Foundation gave $295K across 2 grants in 2025 (avg $148K), mostly in Florida. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $295,298
- Grants made (2025)
- 2
- Average grant
- $147,649
- Median grant
- $147,649
- Total assets
- $90,163
- Primary geography
- Florida (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who William and Susan Dalton Foundation funds
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2025
The largest 2025 recipient was Conservancy of Southwest Florida ($285K). Together the top 2 received $295K.
Grant Size Distribution
2 grants across all recorded years
The most common grant size was under $50K: 1 grant of 2 (50%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 2 itemized grants.
States
Cities
How William and Susan Dalton Foundation gives
- In 2025 it paid out well above its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
In 2025 it made 2 grants totaling $295K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Conservancy of Southwest Florida Naples, FL | General Purpose Grant | $285,298 |
| Collier Community Foundation Naples, FL | General Purpose Grant | $10,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Distributable Amount |
|---|---|---|---|---|---|---|---|
| 2025 | $90,163 | $386,661 | $296,498 | $295,298 | 2 | $295,598 | $3,051 |
Under IRS private-foundation payout rules, William and Susan Dalton Foundation reported a distributable amount of $3K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
William and Susan Dalton Foundation is led by Susan Dalton, Director on every filing since 2020 — the only officer listed, and uncompensated.
Officers on the 2025 filing
Susan Dalton
Director
On filings since 2020
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about William and Susan Dalton Foundation
How much does William and Susan Dalton Foundation give each year?
William and Susan Dalton Foundation gave $295K across 2 grants in 2025, according to its 2025 IRS Form 990-PF.
How large is William and Susan Dalton Foundation?
William and Susan Dalton Foundation reported $90K in total assets on its 2025 IRS Form 990-PF. It paid out $296K in qualifying distributions that year, against a required minimum of $3K (roughly 5% of its investment assets).
Where does William and Susan Dalton Foundation operate?
William and Susan Dalton Foundation has awarded grants in Florida.
What is William and Susan Dalton Foundation's EIN?
William and Susan Dalton Foundation's EIN (Employer Identification Number) is 54-2017835. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2025 (received by the IRS March 31, 2026)
- IRS filings on file for fiscal years 2020–2025
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