Harris K and Lois G Oppenheimer Foundation
Invitation OnlySan Antonio, Texas · EIN 74-2347610 · Private foundation
Grants paid (2024)$163K
Organizations funded51
Typical grant$2,000
Total assets$3.9M
Half of its grants to organizations were between $1,000 and $5,000.
From the return
How to apply
On its return for tax year 2024 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
29% of grants went outside Texas.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| World Monuments Fund | New York, NY | Unrestricted | $20,000 |
| Klrnalamo Public Telecommunications Council | San Antonio, TX | Unrestricted | $13,000 |
| Texas Public Radio | San Antonio, TX | Unrestricted | $13,000 |
| Hillside School | Boulder, CO | Unrestricted | $9,500 |
| Brackenridge Park Conservancy | San Antonio, TX | Unrestricted | $5,000 |
| Child Advocates San Antonio | San Antonio, TX | Unrestricted | $5,000 |
| Houston Grand Opera | Houston, TX | Unrestricted | $5,000 |
| Mcnay Museum of Art | San Antonio, TX | Unrestricted | $5,000 |
| San Antonio Museum of Art | San Antonio, TX | Unrestricted | $5,000 |
| San Antonio Zoological Society | San Antonio, TX | Unrestricted | $5,000 |
| Texas Biomedical Research Foundation | San Antonio, TX | Unrestricted | $5,000 |
| Ut Health | San Antonio, TX | Unrestricted | $5,000 |
| Ut Health Cancer Center | San Antonio, TX | Unrestricted | $5,000 |
| Witte Museum | San Antonio, TX | Unrestricted | $5,000 |
| National Park Foundation | Baltimore, MD | Unrestricted | $4,000 |
| Wild Horse Connection | Stagecoach, NV | Unrestricted | $3,500 |
| Landa Gardens Conservancy | San Antonio, TX | Unrestricted | $3,000 |
| Lefthand Fire Protection District | Boulder, CO | Unrestricted | $3,000 |
| Snipsa Inc | San Antonio, TX | Unrestricted | $3,000 |
| Monte Vista Historical Association | San Antonio, TX | Unrestricted | $2,200 |
| Alzheimer's Association of Greater Dallas | Dallas, TX | Unrestricted | $2,000 |
| Elf Louise Christmas Project | San Antonio, TX | Unrestricted | $2,000 |
| Meals on Wheels San Antonio | San Antonio, TX | Unrestricted | $2,000 |
| San Antonio Feral Cat Coalition | San Antonio, TX | Unrestricted | $2,000 |
| San Antonio Food Bank | San Antonio, TX | Unrestricted | $2,000 |
| San Antonio River Foundation | San Antonio, TX | Unrestricted | $2,000 |
| SPCA of Dallas Jan-Rees Jones Animal Care Clinic | Dallas, TX | Unrestricted | $2,000 |
| Utsa - College of Liberal & Fine Arts | San Antonio, TX | Unrestricted | $2,000 |
| Utsa Annual Fund | San Antonio, TX | Unrestricted | $2,000 |
| Wildlife Rescue & Rehabilitation | Kendalia, TX | Unrestricted | $2,000 |
| Youth Orchestras of San Antonio | San Antonio, 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 |
| Episcopal High School | Alexandria, VA | Unrestricted | $1,000 |
| Guide Dog Foundation for the Blind Inc | Smithtown, NY | Unrestricted | $1,000 |
| Keep Austin Fed | Austin, TX | Unrestricted | $1,000 |
| Memorial Sloan-Kattering Cancer Center Cycle for Survival | New York, NY | Unrestricted | $1,000 |
| Planned Parenthood Trust South Texas | San Antonio, TX | Unrestricted | $1,000 |
| Saint Andrew's Episcopal School | Austin, TX | Unrestricted | $1,000 |
| Weisberg Library Temple Emanu-El | Dallas, TX | Unrestricted | $1,000 |
| Expondent Philanthropy | Washington, DC | Unrestricted | $850 |
| Aclu Foundation | New York, NY | Unrestricted | $500 |
| Harvard University | Boston, MA | Unrestricted | $500 |
| Meals on Wheels Central Texas | Austin, TX | Unrestricted | $500 |
| National Domestic Workers Alliance | New York, NY | Unrestricted | $500 |
| The Trevor Project | West Hollywood, CA | Unrestricted | $500 |
| Villa Finale | San Antonio, TX | Unrestricted | $500 |
| Children's Hospital Foundation | Silver Springs, MO | Unrestricted | $400 |
| Saint Stephen's Episcopal School | Austin, TX | Unrestricted | $100 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $162,550 | 51 |
| 2023 | $155,530 | 52 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 17, 2025 - IRS e-file batch, object ID 202533219349105833
- IRS Tax Exempt Organization Search for EIN 74-2347610
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.