The Riddle Foundation
Historical FunderHouston, Texas · EIN 76-0455477 · Private foundation
Half of its grants to organizations were between $2,500 and $4,444.
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2024):
| Contact | DON R RIDDLE |
|---|---|
| Address | 119 PAUL REVERE, HOUSTON TX 77024 |
| Phone | 2814409090 |
| Form and materials | APPLICATIONS SHOULD BE IN WRITING, STATING PURPOSE AND AMOUNT. |
| Deadlines | OCTOBER 1. |
| Restrictions | AMOUNTS ARE DETERMINED BY BOARD OF DIRECTORS. |
Copied as filed. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
0% of grants went outside Texas.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Texas 4-H Youth Development Foundation | College Station, TX | Funding programs to support agriculture & livestock, family & community health and STEM | $4,444 |
| 12Th Man Foundation | College Station, TX | Funding scholarships, progams and facilities of tamu | $2,500 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $6,944 | 2 |
| 2023 | $21,700 | 3 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 13, 2025 - IRS e-file batch, object ID 202513179349101241
- IRS Tax Exempt Organization Search for EIN 76-0455477
- Profile updated Nov 6, 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.