Louis H and Mary Patricia Stumberg
The Louis H and Mary Patricia Stumberg Foundation is a private family foundation based in San Antonio, Texas. Established in 1989, the foundation operates as a 501(c)(3) organization dedicated to philanthropic grantmaking across multiple sectors.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$13.7M
+30.9% YoY
Annual Giving
$773K
+34.9% YoY
Grant Count
23
+15.0% YoY
Avg Grant Size
$34K
+17.3% YoY
Mission & Focus Areas
The foundation's primary focus areas include:
- Arts and culture
- Education and higher education
- Health and human services
- Religion and Christianity
- Philanthropy and nonprofit support
- Children and youth services
- Social services
The foundation gives primarily for health and human services and to religious organizations.
Grantmaking
The foundation provides general operating support and project support to nonprofit organizations.
Grant Range
$130
Average Grant
$130
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Geographic Focus
Where this funder awards grants
The foundation primarily funds projects in Texas, with specific emphasis on:
- San Antonio
- Austin
- Kerrville
- Bexar County
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
- Total assets: $13,692,145 (2024)
- Total revenue: $4.15 million (2024)
- Total expenses: $919,000 (2024)
- Total liabilities: $0 (2024)
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $13,692,145 | $10,458,861 | $10,061,465 |
| Revenue | $4,152,587 | $1,102,801 | $1,800,677 |
| Expenses | $919,303 | $705,405 | $271,690 |
| Qualifying Distributions | $712,019 | $582,651 | $186,574 |
| Net Investment Income | $4,057,214 | $1,021,999 | $1,721,696 |
| Distributable Amount | $824,298 | $738,746 | $715,052 |
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
70 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's trustees include:
- Mary Pat Stumberg
- Louis H. Stumberg Jr.
- Diana M. Stumberg
- Eric B. Stumberg
All trustees serve without compensation.
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| MARY PAT STUMBERG | TRUSTEE | 1 | — |
| LOUIS H STUMBERG JR | TRUSTEE | 1 | — |
| DIANA M STUMBERG | TRUSTEE | 1 | — |
| ERIC B STUMBERG | TRUSTEE | 1 | — |
Contact Information
Address: 227 W Olmos Dr, San Antonio, TX 78212-1957
Telephone: 210-271-0448
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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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