Harris K & Lois G Oppenheimer Foundation
Harris K and Lois G Oppenheimer Foundation is a private foundation based in San Antonio, Texas. The foundation operates as a 501(c)(3) organization with no employees.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$2.6M
+3.0% YoY
Annual Giving
$163K
+4.5% YoY
Grant Count
51
-1.9% YoY
Avg Grant Size
$3K
+6.6% YoY
Under IRS private-foundation payout rules, Harris K & Lois G Oppenheimer Foundation reported a distributable amount of $185K for 2025 — the minimum it must pay out in qualifying distributions.
Mission & Focus Areas
The foundation's grant-making priorities include:
- Education
- Philanthropy, Voluntarism & Grantmaking
- Human Services
- Historic Buildings Preservation
- Historic Preservation
- Journalism
Grantmaking
The foundation does not currently list live grant opportunities.
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Geographic Focus
Where this funder awards grants
The foundation primarily supports organizations in Texas, New York, and Colorado.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
- Total Assets: $2,630,966
- Total Annual Giving: $162,550
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $2,630,966 | $2,553,382 | $2,581,963 |
| Revenue | $300,736 | $123,188 | $89,030 |
| Expenses | $196,378 | $183,269 | $198,165 |
| Qualifying Distributions | $171,582 | $162,924 | $178,134 |
| Net Investment Income | $275,940 | $102,843 | $91,586 |
| Distributable Amount | $184,617 | $171,687 | $162,920 |
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 2025
Grant Size Distribution
250 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2025 grants, the largest include World Monuments Fund ($20,000), Klrnalamo Public Telecommunications Council ($13,000), Texas Public Radio ($13,000).
| Recipient | Purpose | Amount |
|---|---|---|
| ACLU FOUNDATION NEW YORK, NY | UNRESTRICTED | $500 |
| ALZHEIMER'S ASSOCIATION OF GREATER DALLAS DALLAS, TX | UNRESTRICTED | $2,000 |
| AMERICAN RED CROSS SAN ANTONIO, TX | UNRESTRICTED | $1,500 |
| AMERICAN RED CROSS - CENTRAL TEXAS AUSTIN, TX | UNRESTRICTED | $1,500 |
| ARCHIVES OF AMERICAN ART SMITHSONIAN INSTITUTION NEW YORK, NY | UNRESTRICTED | $1,000 |
| AUSTIN PETS ALIVE AUSTIN, TX | UNRESTRICTED | $1,000 |
| BRACKENRIDGE PARK CONSERVANCY SAN ANTONIO, TX | UNRESTRICTED | $5,000 |
| CHILD ADVOCATES SAN ANTONIO SAN ANTONIO, TX | UNRESTRICTED | $5,000 |
| CHILDREN'S HOSPITAL FOUNDATION SILVER SPRINGS, MO | UNRESTRICTED | $400 |
| ELF LOUISE CHRISTMAS PROJECT SAN ANTONIO, TX | UNRESTRICTED | $2,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2025 IRS filing
From 2025 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| CLAIRE O O'MALLEY | PRESIDENT, SEC, TREASURER | — | — |
| PAULINE WEISBERG | VICE PRESIDENT | — | — |
| ALEXANDER HARRIS WEISBERG | TRUSTEE | — | — |
| EDWARD J O'MALLEY | TRUSTEE | — | — |
| DANIEL H O'MALLEY | TRUSTEE | — | — |
Frequently Asked Questions
What does Harris K & Lois G Oppenheimer Foundation fund?
The foundation's grant-making priorities include: • Education • Philanthropy, Voluntarism & Grantmaking • Human Services • Historic Buildings Preservation • Historic Preservation • Journalism
How do I apply for a grant from Harris K & Lois G Oppenheimer Foundation?
**Grant Amounts:** Typical awards range from $100 to $20,000. **Annual Giving:** The foundation distributed $162,550 in total grants according to the most recent filing. The foundation does not currently list live grant opportunities.
Where does Harris K & Lois G Oppenheimer Foundation make grants?
The foundation primarily supports organizations in Texas, New York, and Colorado.
What size grants does Harris K & Lois G Oppenheimer Foundation award?
In 2025, Harris K & Lois G Oppenheimer Foundation awarded 51 grants totaling $163K — an average of about $3K per grant, based on its IRS Form 990 filings.
How much is Harris K & Lois G Oppenheimer Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2025, Harris K & Lois G Oppenheimer Foundation reported a distributable amount of $185K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Harris K & Lois G Oppenheimer Foundation's EIN?
Harris K & Lois G Oppenheimer Foundation's EIN (Employer Identification Number) is 74-2347610. IRS Form 990 filing data is available on this page for 2021–2025.
Explore Open Grants
Browse active grant opportunities in Harris K & Lois G Oppenheimer Foundation's focus areas in our free grants database
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Data last updated June 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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