Louis H and Mary Patricia Stumberg

SAN ANTONIO, TX EIN: 74-6367261

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

Under IRS private-foundation payout rules, Louis H and Mary Patricia Stumberg reported a distributable amount of $824K for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated April 2026.

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

1states

States

Cities

AustinKervilleSan Antonio

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)
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$1M$2M$3M$5M20202021202220232024
Metric202420232022
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

$0$193K$387K$580K$773K0 grants202015 grants202112 grants202220 grants202323 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

The Congregational Colle…$110KUTSA School of Music$100KThe Witte$100KHE STUMBERG ORPHANS CRIP…$68KBrighton Center$50KYOSA$50KSAN ANTONIO BOTANICAL GA…$40KTHE MCNAY ART MUSUEM$40KLAITY LODGE FOUNDATION$30KCHILDRENS BEREAVEMENT CE…$25K

Grant Size Distribution

70 grants across all recorded years

58<$50K4$50–100K8$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include The Congregational Collective ($110,000), UTSA School of Music ($100,000), The Witte ($100,000).

RecipientPurposeAmount
SUNSHINE COTTAGE SCHOOL FOR DEAF CHILDREN San Antonio, TXCHARITABLE$20,000
LAITY LODGE FOUNDATION KERVILLE, TXCHARITABLE$30,000
SAN ANTONIO BOTANICAL GARDEN SOCIETY INC SAN ANTONIO, TXCHARITABLE$40,000
ALAMO HEIGHTS CHRISTIAN SCHOOL SAN ANTONIO, TXCHARITABLE$10,000
CHILDRENS BEREAVEMENT CENTER SAN ANTONIO, TXCHARITABLE$25,000
SAMMINISTRIES SOCIAL ENTERPRISES SAN ANTONIO, TXCHARITABLE$5,000
UNITED WAY OF SAN ANTONIO SAN ANTONIO, TXCHARITABLE$25,000
THE MCNAY ART MUSUEM SAN ANTONIO, TXCHARITABLE$40,000
The Charity Ball Assoc of SA San Antonio, TXCHARITABLE$5,000
UTSA School of Music San Antonio, TXCHARITABLE$100,000

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

NameTitleHoursCompensation
MARY PAT STUMBERGTRUSTEE1
LOUIS H STUMBERG JRTRUSTEE1
DIANA M STUMBERGTRUSTEE1
ERIC B STUMBERGTRUSTEE1

Contact Information

Address: 227 W Olmos Dr, San Antonio, TX 78212-1957

Telephone: 210-271-0448

Frequently Asked Questions

What does Louis H and Mary Patricia Stumberg fund?

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.

How do I apply for a grant from Louis H and Mary Patricia Stumberg?

**Grant Activity:** • Total giving: $704,686 (most recent filing) • Total awarded in recent year: $573,000 • Average grant size: $130 • Total grants awarded (previous year): 2,687 • Open to new applicants: Yes • Percentage of new applicants funded: 12% **Types of Support:** The foundation provides general operating support and project support to nonprofit organizations.

Where does Louis H and Mary Patricia Stumberg make grants?

The foundation primarily funds projects in Texas, with specific emphasis on: • San Antonio • Austin • Kerrville • Bexar County

What size grants does Louis H and Mary Patricia Stumberg award?

In 2024, Louis H and Mary Patricia Stumberg awarded 23 grants totaling $773K — an average of about $34K per grant, based on its IRS Form 990 filings.

How much is Louis H and Mary Patricia Stumberg required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Louis H and Mary Patricia Stumberg reported a distributable amount of $824K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Louis H and Mary Patricia Stumberg's EIN?

Louis H and Mary Patricia Stumberg's EIN (Employer Identification Number) is 74-6367261. IRS Form 990 filing data is available on this page for 2020–2024.

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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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