The Windmill Foundation Inc
The Windmill Foundation Inc is a private family foundation based in Philadelphia, Pennsylvania. Established in 2014, it operates as a 501(c)(3) tax-exempt organization with a focus on grantmaking in education, philanthropy, voluntarism, and human services.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
—
Annual Giving
$681K
+16.9% YoY
Grant Count
60
-6.3% YoY
Avg Grant Size
$11K
+24.7% YoY
Mission & Focus Areas
The foundation's primary funding interests include:
- Education
- Philanthropy, Voluntarism & Grantmaking
- Human Services
Grantmaking
The foundation distributes grants annually, with recent distributions totaling $635,000 to $680,599 depending on the fiscal year.
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Geographic Focus
Where this funder awards grants
The foundation primarily funds organizations in:
- Pennsylvania
- Massachusetts
- California
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
As of December 2024:
- Total Assets: $13,012,128
- Total Revenue: $2,038,591
- Total Expenses: $797,932
- Investment Income & Dividends: $331,780
- Net Income: $1,240,659
- Total Liabilities: $0
Staffing: The foundation operates with zero employees.
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | — | — | — |
| Revenue | — | — | — |
| Expenses | — | — | — |
| Qualifying Distributions | — | — | — |
| Net Investment Income | — | — | — |
| Distributable Amount | — | — | — |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
250 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
Leadership & Key People
Leadership team and compensation from IRS filings
The foundation is led by two trustees:
- Susan Jackson Tressider (Director, President & Treasurer)
- Richard Tressider (Director & Vice President)
Both serve without compensation.
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| SUSAN JACKSON TRESSIDER | DIRECTOR, PRESIDENT,& TREA | — | — |
| RICHARD TRESSIDER | DIRECTOR, VICE PRESIDENT,& | — | — |
Contact Information
Address: 1650 Market Street, Suite 1200 Philadelphia, PA 19103-7391
Telephone: 215-350-4977
EIN: 46-5340870
Subject Areas
Focus areas based on grantmaking activity
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Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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