The Riordan Foundation
The Riordan Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in New York, NY. IRS filing data is available from 2019 through 2025. In 2025, it awarded 3 grants totaling $15K.
Key facts about The Riordan Foundation
- EIN
- 04-3559852
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $14,700
- Grants made (2025)
- 3
- Average grant
- $4,900
- Median grant
- $5,000
- Primary geography
- Maryland (63% of itemized 2025 grant dollars)
Data from IRS Form 990-PF, 2025; updated September 2026.
Who The Riordan Foundation funds
By grant dollars, the top recipient states for The Riordan Foundation's 3 itemized 2025 grants were Maryland (63%) and Massachusetts (34%). None of its 3 grants with a stated purpose were described as general or operating support. Recurring purposes include "Charitable" (3 grants).
How The Riordan Foundation gives
- Giving grew 145% from 2022 to 2025. Method
From the foundation's IRS Form 990-PF filings. Methodology.
Next steps with The Riordan Foundation
- How to evaluate The Riordan Foundation as a funder
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Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
—
Annual Giving
$15K
-26.4% YoY
Grant Count
3
+50.0% YoY
Avg Grant Size
$5K
-50.9% YoY
About The Riordan Foundation
Based on IRS filings
The Riordan Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in New York, NY. IRS filing data is available from 2019 through 2025. In 2025, it awarded 3 grants totaling $15K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of all 3 itemized 2025 grant dollars.
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 2019–2025
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 3 recipients in 2025
Grant Size Distribution
13 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2025 grants, the largest recipients include Doctors Without Borders ($9,200), Community Access to the Arts ($5,000), Aclu Foundation ($500).
| Recipient | Purpose | Amount |
|---|---|---|
| DOCTORS WITHOUT BORDERS Hagerstown, MD | CHARITABLE | $9,200 |
| COMMUNITY ACCESS TO THE ARTS Great Barrington, MA | CHARITABLE | $5,000 |
| ACLU FOUNDATION New York, NY | CHARITABLE | $500 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
No officer or director reported compensation in the available filings.
From 2025 IRS filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| Carol Jay Riordan | Trustee | 1 | — |
| Michael Riordan | Trustee | 1 | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is The Riordan Foundation?
The Riordan Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in New York, NY. It holds — in total assets as of 2025.
Where does The Riordan Foundation operate?
The Riordan Foundation has awarded grants in California, Massachusetts, Maryland, Minnesota, New Jersey, New York, Rhode Island.
What size grants does The Riordan Foundation award?
In 2025, The Riordan Foundation awarded 3 grants totaling $15K — an average of about $5K per grant, based on its IRS Form 990 filings.
What is The Riordan Foundation's EIN?
The Riordan Foundation's EIN (Employer Identification Number) is 04-3559852. IRS Form 990 filing data is available on this page for 2019–2025.
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Data last updated September 2026. Sourced from IRS Form 990-PF filings.