Charles Piper Cost Foundation
Invitation OnlyBerkeley, California · EIN 41-1635764 · Private foundation
Half of its grants to organizations were between $2,500 and $3,000.
How to apply
On its return for tax year 2025 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
31% of grants went outside California.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Fulcrum Foundation | Seattle, WA | General operating | $5,000 |
| The Producer Partnership | Livingston, MT | General operating | $5,000 |
| Siesta Valley Foundation | Lafayette, CA | General operating | $5,000 |
| Chronicle Season of Sharing Fund | San Francisco, CA | General operating | $3,700 |
| Golden State Salmon Association | San Francisco, CA | General operating | $3,000 |
| Caltrout | San Francisco, CA | General operating | $2,500 |
| Habitot Children's Museum | Berkeley, CA | General operating | $2,500 |
| LA Luz Center | Sonoma, CA | General operating | $2,500 |
| Redwood Trails Alliance | Santa Rosa, CA | General operating | $2,500 |
| Sonoma County Regional Parks Founda | Santa Rosa, CA | General operating | $2,500 |
| Sonoma Land Trust | Sonoma, CA | General operating | $2,500 |
| University of California Berkeley | Berkeley, CA | College of environmental design | $2,500 |
| Bighorn River Alliance | Billings, MT | General operating | $2,500 |
| Berkeley Community Scholars | Berkeley, CA | General operating | $2,500 |
| Montana State University | Bozeman, MT | School of agriculture | $1,000 |
| Wild and Free Foundation | Pittsburg, PA | General operating | $1,000 |
The return also lists 7 grants to individuals ($16,000). We do not publish the names of individual recipients.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $62,200 | 23 |
| 2024 | $64,000 | 25 |
| 2023 | $59,900 | 36 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 14, 2026 - IRS e-file batch, object ID 202641349349101574
- IRS Tax Exempt Organization Search for EIN 41-1635764
- 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.