Private foundation · EIN 74-6367261 · San Antonio, Texas

Louis & Mary Stumberg Foundation

Should you approach them?

Yes, approach them if you're in Texas. The foundation accepts applications (Applications should be submitted by december) and its median grant is $25K.

From the 2025 Form 990-PF: 27 grants paid, $848K total, median $25K. 93% of grants stayed in Texas. Stated restrictions: No restricted or limitations on awards

Accepts applications
Yes
per 990-PF Part XV
Grants paid, 2025
27
$848K
Median grant
$25K
Stays in TX
93%
of grants
Deadline
See below
Applications should be submitted by dece
Assets
$16M

How to apply

Applications should be submitted in letter form outlining the needs of the applicant Contact: Diana M Stumberg, 227 W Olmos Drive, San Antonio, Tx, 2102710448 Deadlines: Applications should be submitted by december Restrictions: No restricted or limitations on awards

Quoted from Part XV of the foundation's 2025 Form 990-PF; the full text is in the filing. Confirm on the foundation's website before you write.

Grants paid in 2025

27 grants, all shown · from Form 990-PF Part XV

RecipientPurposeAmount
The WitteSan Antonio, TXCharitable$100K
Trinity UniversitySan Antonio, TXCharitable$75K
The Congregational CollectiveSan Antonio, TXCharitable$60K
Sunshine Cottage School for Deaf ChildrenSan Antonio, TXCharitable$50K
Laity Lodge FoundationKerville, TXCharitable$50K
United Way of San AntonioSan Antonio, TXCharitable$50K
Headwaters at Incarnate WordSan Antonio, TXCharitable$50K
Brighton CenterSan Antonio, TXCharitable$50K
YosaSan Antonio, TXCharitable$50K
San Antonio Botanical Garden Society IncSan Antonio, TXCharitable$40K
Childrens Bereavement CenterSan Antonio, TXCharitable$40K
The McNay Art MusuemSan Antonio, TXCharitable$40K
Utsa School of MusicSan Antonio, TXCharitable$35K
Army Residence CommunitySan Antonio, TXCharitable$25K
Friends of StewartIthaca, NYCharitable$25K
Sabinal AlumniSabinal, TXCharitable$20K
Austin Classical SchoolAustin, TXCharitable$10K
San Antonio AcademySan Antonio, TXCharitable$10K
CampCenter Point, TXCharitable$10K
Saisd FoundationSan Antonio, TXCharitable$10K
The DoseumSan Antonio, TXCharitable$10K
Woodbury SchoolWoodbury, NJCharitable$10K
Magik TheatreSan Antonio, TXCharitable$7,500
Samministries Social EnterprisesSan Antonio, TXCharitable$5,000
Ballet of San AntonioSan Antonio, TXCharitable$5,000
San Antonio Christian Dental ClinicSan Antonio, TXCharitable$5,000
Musical Bridges Around the WorldSan Antonio, TXCharitable$5,000

By state: Texas 25 · New York 1 · New Jersey 1

About this foundation

Louis & Mary Stumberg Foundation is a private grantmaking foundation in San Antonio, Texas, administered in care of Diana M Stumberg, tax-exempt since 1989. Private foundations must pay out roughly 5% of their assets each year, mostly as grants to 501(c)(3) public charities.

All filings on ProPublica

Does Louis & Mary Stumberg Foundation accept grant applications?

Yes. On its 2025 Form 990-PF the foundation indicates it accepts applications. Applications should be submitted in letter form outlining the needs of the applicant Deadlines: Applications should be submitted by december.

How much does Louis & Mary Stumberg Foundation give each year?

In tax year 2025 it paid $848K across 27 grants, a median of $25K.

Where does Louis & Mary Stumberg Foundation give?

Texas (25 grants), New York (1 grants), New Jersey (1 grants), per its latest filing.

More foundations near San Antonio that accept applications

All in Texas
FoundationBased inGrants paidMedian grantAccepts applicationsAssets
Kate Marmion Charitable Foundationsince 2009 San Antonio, TX $34M42 grants · 2024 $125KYes $322M
Mays Family Foundationsince 1994 San Antonio, TX $18M181 grants · 2024 $25KYes $313M
Eula Mae and John Baugh Foundationsince 1995 San Antonio, TX $15M83 grants · 2024 $50KYes $259M
Robert J Kleberg Jr and Helen C Kleberg Foundationsince 1952 San Antonio, TX $13M47 grants · 2024 $109KYes $243M
Greehey Family Foundationsince 2003 San Antonio, TX $7.1M1 grants · 2024 $7.1MYes $174M
Ewing Halsell Foundationsince 2011 San Antonio, TX $6.5M45 grants · 2024 $100KYes $160M
Tobin Endowment Trsince 1999 San Antonio, TX $3.1M13 grants · 2024 $60KYes $149M
Email me matching grants