Barbara and Tom Witter Foundation
Invitation OnlySan Francisco, California · EIN 94-3026662 · Private foundation
Half of its grants to organizations were between $1,000 and $24,980.
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
33% of grants went outside California.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| University of Nevada Reno Foun | Reno NV, NV | General | $24,980 |
| Iota Foundation | Berkeley, CA | General | $12,500 |
| Tahoe Lakefront Owners' Association | Tahoe City, CA | General | $1,000 |
The return also lists 1 grant to individuals ($10,000). We do not publish the names of individual recipients.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $48,480 | 4 |
| 2023 | $14,200 | 2 |
Sources
- IRS Form 990-PF, tax year 2024, filed Sep 12, 2025 - IRS e-file batch, object ID 202532559349100248
- IRS Tax Exempt Organization Search for EIN 94-3026662
- 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.