Grants for Nonprofits in Houston, Texas
A data-backed guide to Houston-area foundation funding, sourced directly from IRS 990-PF filings. Built for Harris County's 11+ 501(c)(3) organizations.
Houston holds one of the densest concentrations of philanthropic capital in the United States. The city is headquarters for more than 1,700 private foundations, anchored by some of the largest family and community funders in the South — Houston Endowment, the Kinder Foundation, the Brown Foundation, the Lester and Sue Smith Foundation, and the Dan L. Duncan Foundation — plus the Greater Houston Community Foundation, which channels donor-advised funding across the metro.
This funding landscape is shaped by Houston's distinct economic DNA: the largest medical complex in the world (the Texas Medical Center), a century of energy-industry wealth, one of the most ethnically diverse populations in the country, and a nonprofit sector built around Gulf Coast resilience after hurricanes, refugee resettlement, immigrant-serving organizations, and Historically Black Churches with deep community programming. The result is a philanthropic ecosystem that funds everything from hospital research to Buffalo Bayou restoration to grassroots education initiatives in the Third and Fifth Wards.
For a nonprofit based in Houston or serving Harris County, this density is an advantage — but also a discovery problem. There is no single directory that maps foundation giving patterns, deadlines, eligibility rules, and recent awards at the city level. GrantDrop matches your 501(c)(3) against every grant from Houston-based funders, statewide Texas funders, and national funders with a track record of giving to Houston-area nonprofits. Our data comes directly from IRS Form 990-PF filings, updated annually, so what you see reflects actual giving history — not marketing claims.
Largest Foundations Headquartered in Houston
Ranked by total assets on most recent IRS 990-PF filing. Click a foundation name to see its full profile — officers, giving history, application info, and average grant size.
| Foundation | Total assets | Grants paid (year) |
|---|---|---|
| Michael & Susan Dell Foundation | $2,069M | $176M |
| The Moody Foundation | $1,749M | $86M |
| The Brown Foundation Inc | $1,693M | $89M |
| The Klarman Family Foundation | $1,021M | $108M |
| Nelda C and HJ Lutcher Stark Foundation | $695M | $1M |
Top Funders Giving to Houston Nonprofits
Foundations (based anywhere) that have given the most dollars to Houston-area nonprofits since 2015. Internal discovery target — these funders statistically give to Houston, so a well-fit Houston nonprofit has elevated odds.
| Funder | # grants | Total to Houston |
|---|---|---|
| Houston Endowment Inc (Dallas, TX) | 1,898 | $433M |
| Kinder Foundation (Houston, TX) | 305 | $361M |
| The Brown Foundation Inc (Houston, TX) | 2,079 | $321M |
| The Lester and Sue Smith Foundation (Houston, TX) | 49 | $282M |
| Dan L Duncan Foundation (Cedar Rapids, IA) | 206 | $185M |
Notable Houston Grant Recipients
Top recipients by cumulative dollars received since 2015. Many are hospitals or universities; use this to gauge scale of giving, not as the benchmark for a small nonprofit's realistic ask.
| Recipient | # grants | Total received |
|---|---|---|
| Texas Children'S Hospital | 457 | $275M |
| Baylor College of Medicine | 615 | $211M |
| Rice University | 592 | $166M |
| William Marsh Rice University | 430 | $150M |
| Buffalo Bayou Partnership | 158 | $119M |