Potoff Private Philanthropy
Potoff Private Philanthropy is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Tucson, AZ. IRS filing data is available from 2020 through 2025. In 2025, it awarded 5 grants totaling $1.6M.
Key facts about Potoff Private Philanthropy
- EIN
- 83-3784100
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $1,592,000
- Grants made (2025)
- 5
- Average grant
- $318,400
- Median grant
- $200,000
- Primary geography
- Arizona (100% of itemized 2025 grant dollars)
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Potoff Private Philanthropy funds
By grant dollars, the top recipient states for Potoff Private Philanthropy's 5 itemized 2025 grants were Arizona (100%). The most frequent recipient cities were Tucson, AZ (4 grants). None of its 5 grants with a stated purpose were described as general or operating support.
How Potoff Private Philanthropy gives
- Giving grew 414% from 2022 to 2025. Method
From the foundation's IRS Form 990-PF filings. Methodology.
Next steps with Potoff Private Philanthropy
- How to evaluate Potoff Private Philanthropy as a funder
Our grant prospecting guide: read the 990-PF, check fit, and decide whether to apply.
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Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
—
Annual Giving
$1.6M
+33.2% YoY
Grant Count
5
-16.7% YoY
Avg Grant Size
$318K
+59.9% YoY
About Potoff Private Philanthropy
Based on IRS filings
Potoff Private Philanthropy is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Tucson, AZ. IRS filing data is available from 2020 through 2025. In 2025, it awarded 5 grants totaling $1.6M.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of all 5 itemized 2025 grant dollars.
States
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | — | — | — |
| Revenue | — | — | — |
| Expenses | — | — | — |
| Qualifying Distributions | — | — | — |
| Net Investment Income | — | — | — |
| Distributable Amount | — | — | — |
Data update history
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2025
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 5 recipients in 2025
Grant Size Distribution
19 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2025 grants, the largest recipients include Arizona Local News Foundation ($775,000), Handi-Dogs Inc DBA Ability Dogs of Arizona ($300,000), Pima County Superintendent of Schools ($200,000).
| Recipient | Purpose | Amount |
|---|---|---|
| ARIZONA LOCAL NEWS FOUNDATION Phoenix, AZ | CONNECT COMMUNITIES WITH LOCAL NEWS AND INFORMATION | $775,000 |
| HANDI-DOGS INC DBA ABILITY DOGS OF ARIZONA Tucson, AZ | HELPING INDIVIDUALS TRAIN THEIR SERVICE DOGS | $300,000 |
| PIMA COUNTY SUPERINTENDENT OF SCHOOLS Tucson, AZ | PIMA CYCLE BREAKERS | $200,000 |
| PIMA JTED FOUNDATION Tucson, AZ | SKILLS-BASED EDUCATION | $177,000 |
| MAKE WAY FOR BOOKS Tucson, AZ | PROMOTE CHILDHOOD LITERACY | $140,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2025 IRS filing
From 2025 IRS filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| Ross H Potoff | Director | 1 | — |
| Kathy Prather | Secretary | 1 | — |
| William C Westcott | President and Executive Director | 12 | $70,000 |
| Camille Shaw | Treasurer and Asst Exec Director | 12 | $70,000 |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Potoff Private Philanthropy?
Potoff Private Philanthropy is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Tucson, AZ. It holds — in total assets as of 2025.
Where does Potoff Private Philanthropy operate?
Potoff Private Philanthropy has awarded grants in Arizona.
What size grants does Potoff Private Philanthropy award?
In 2025, Potoff Private Philanthropy awarded 5 grants totaling $1.6M — an average of about $318K per grant, based on its IRS Form 990 filings.
What is Potoff Private Philanthropy's EIN?
Potoff Private Philanthropy's EIN (Employer Identification Number) is 83-3784100. IRS Form 990 filing data is available on this page for 2020–2025.
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Data last updated September 2026. Sourced from IRS Form 990-PF filings.