Clark and Kathryn Porter Family Foundation
Invitation OnlyPacific Palisades, California · EIN 83-6571557 · Private foundation
Half of its grants to organizations were between $500 and $2,500.
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
35% of grants went outside California.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Garden School | Pasadena, CA | Contribution | $30,000 |
| Usocf | Carpentersville, IL | Contribution | $15,000 |
| Semester at Sea | Fort Collins, CO | Contribution | $5,181 |
| American Friends of the Ocean Cleanup | New York, NY | Contribution | $5,000 |
| Harvard-Westlake Annual | Studio City, CA | Contribution | $5,000 |
| National Parks Foundation | Washington, DC | Contribution | $5,000 |
| Nature Conservancy | Los Angeles, CA | Contribution | $5,000 |
| One Tree Planted | Shelburne, VT | Contribution | $5,000 |
| Pow Protect Our Winters | Boulder, CO | Contribution | $5,000 |
| Seeds Tp Plate | Venice, CA | Contribution | $5,000 |
| Spy | Marina Del Rey, CA | Contribution | $5,000 |
| St Matthews Alumni Fund | Pacific Palisades, CA | Contribution | $5,000 |
| The Peoples Concern | Los Angeles, CA | Contribution | $5,000 |
| Venice Family Clinic | Venice, CA | Contribution | $5,000 |
| Westside Food Bank | Santa Monica, CA | Contribution | $5,000 |
| Garden School | Pasadena, CA | Contribution | $3,602 |
| Bay Foundation | Playa Del Rey, CA | Contribution | $2,500 |
| Bay Foundation | Playa Del Rey, CA | Contribution | $2,500 |
| Broad Stage | Santa Monica, CA | Contribution | $2,500 |
| Center Theatre Group | Los Angeles, CA | Contribution | $2,500 |
| Direct Relief | Santa Barbara, CA | Contribution | $2,500 |
| Equal Justice Initiative | Montgomery, AL | Contribution | $2,500 |
| Jmt Wilderness | Menlo Park, CA | Contribution | $2,500 |
| Junior Achievement | Colorado Springs, CO | Contribution | $2,500 |
| Rei Fund | Sumner, WA | Contribution | $2,500 |
| Sea Trees | Manhattan Beach, CA | Contribution | $2,500 |
| Compton Youth Activities | Compton, CA | Contribution | $2,000 |
| Garden School | Pasadena, CA | Contribution | $1,029 |
| Access Fund | Boulder, CO | Contribution | $1,000 |
| Babc Scholarship Foundation | Whittier, CA | Contribution | $1,000 |
| Banderas Bay Charities | Portland, OR | Contribution | $1,000 |
| Cal Athletics | Berkeley, CA | Contribution | $1,000 |
| Cal Fund | Berkeley, CA | Contribution | $1,000 |
| Chla Las Madrinas | Los Angeles, CA | Contribution | $1,000 |
| First School | Santa Monica, CA | Contribution | $1,000 |
| Geffen Playhouse | Los Angeles, CA | Contribution | $1,000 |
| Hammer Museum | Los Angeles, CA | Contribution | $1,000 |
| Harvest Home- LA | Santa Monica, CA | Contribution | $1,000 |
| Heal the Bay | Santa Monica, CA | Contribution | $1,000 |
| Jlla | Los Angeles, CA | Contribution | $1,000 |
| LA Library Foundation | Los Angeles, CA | Contribution | $1,000 |
| La84 | Los Angeles, CA | Contribution | $1,000 |
| Lacma | Los Angeles, CA | Contribution | $1,000 |
| Marlborough | Los Angeles, CA | Contribution | $1,000 |
| National Geographic | Washington, DC | Contribution | $1,000 |
| New Village Girl Academy | Alpharetta, GA | Contribution | $1,000 |
| Planned Parenthood LA | Washington, DC | Contribution | $1,000 |
| Special Olympics | Washington, DC | Contribution | $1,000 |
| St John Foundation | Santa Monica, CA | Contribution | $1,000 |
| UCLA Olli | Los Angeles, CA | Contribution | $1,000 |
| Usc Dornsife | Los Angeles, CA | Contribution | $1,000 |
| Ussb Kavli Institute for Theoretical Physics | Santa Barbara, CA | Contribution | $1,000 |
| World Wildlife | Washington, DC | Contribution | $1,000 |
| Africa Solar Project | New York, NY | Contribution | $500 |
| Brady Campaign to Prevent Gun Violence | Washington, DC | Contribution | $500 |
| Everytown | New York, NY | Contribution | $500 |
| Franklin College | New York, NY | Contribution | $500 |
| Friends of Semel Neuroscience | Pasadena, CA | Contribution | $500 |
| Girls Opportunity Alliance Fund | Chicago, IL | Contribution | $500 |
| Human Rights Watch | Los Angeles, CA | Contribution | $500 |
Showing the 60 largest of 77 grants to organizations.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $177,181 | 77 |
| 2023 | $157,619 | 66 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 13, 2025 - IRS e-file batch, object ID 202543179349101624
- IRS Tax Exempt Organization Search for EIN 83-6571557
- 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.