Anthony and Dorothy Riddle Family Foundation
Private foundation · Boulder, CO · EIN 73-1631943 · reported 2023–2025
15grants reported
$2,000median award
$1,000lower quartile
$1,000smallest grant
$114Ktotal paid
4states reached
3years giving
Gives every year. This foundation reported grants in 2023, 2024, 2025. A funder that shows up year after year is worth a letter even if this year is a no.
Where to write
700 Grant PL
Boulder, CO 80302-7413
Address as registered with the IRS. Most foundations this size have no website and no application form, which is not a dead end: a short letter to this address is the whole process, and almost nobody sends one.
Who they funded
| Recipient and stated purpose | Where | Amount |
|---|---|---|
| University of Colorado Foundation | Denver, CO | $30,000 |
| University of Colorado Foundation | Denver, CO | $30,000 |
| University of Colorado Foundation Maintenance of scholarship to support the arts | Denver, CO | $24,000 |
| Hack Foundation Support multi-cultural interactions through the support of international STEM competitions | West Hollywood, CA | $10,000 |
| Bechtel International Center Encouraging interactions with international visitors | Stanford, CA | $4,000 |
| CU Science Discovery Scholarship and Intergenerational activity support | Boulder, CO | $2,000 |
| Colorado Fourteeners Preserve trails and open spaces for intergenerational interactions | Golden, CO | $2,000 |
| CU Science Discovery Scholarship and Intergenerational activity support | Boulder, CO | $2,000 |
| Colorado Fourteeners Preserve trails and open spaces for intergenerational interactions | Golden, CO | $2,000 |
| Bechtel International Center Encouraging interactions with international visitors | Stanford, CA | $2,000 |
| CU Science Discovery Support intergenerational interactions in STEM | Boulder, CO | $1,500 |
| Colorado Fourteeners Support trail maintenance to encourage intergenerational interactions | Golden, CO | $1,500 |
| International Topical Steroid Awareness Network Awareness of TSC | Dacula, GA | $1,000 |
| Grand Canyon Youth Funding for intergenerational interaction with nature | Flagstaff, AZ | $1,000 |
| International Topical Steroid Awareness Network Awareness of TSC | Dacula, GA | $1,000 |
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