Barbara and Tom Witter Foundation

SAN FRANCISCO, CA EIN: 94-3026662

Barbara and Tom Witter Foundation is a private foundation, based in SAN FRANCISCO, CA. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $79K in total assets. In 2025, it awarded 4 grants totaling $48K. Net investment income was $74K.

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

$79K

+33.3% YoY

Annual Giving

$48K

+241.4% YoY

Grant Count

4

+100.0% YoY

Avg Grant Size

$12K

+70.7% YoY

Under IRS private-foundation payout rules, Barbara and Tom Witter Foundation reported a distributable amount of $14K for 2025 — the minimum it must pay out in qualifying distributions.

About Barbara and Tom Witter Foundation

Based on IRS filings

Barbara and Tom Witter Foundation is a private foundation, based in SAN FRANCISCO, CA. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $79K in total assets. In 2025, it awarded 4 grants totaling $48K. Net investment income was $74K.

Ready to take the next step with Barbara and Tom Witter Foundation?

Geographic Focus

Where this funder awards grants

Grant Distribution by State

2states

Cities

BerkeleyIncline VillagePiedmontReno NvTahoe City

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$51K$101K$152K$203K20212022202320242025
Metric202520242023
Total Assets$78,748$59,067$56,097
Revenue$74,073$22,620$154,686
Expenses$51,393$18,900$184,198
Qualifying Distributions$50,980$16,620$183,029
Net Investment Income$73,973$22,495$154,573
Distributable Amount$14,229$12,689$18,416

Giving Over Time

Total grant dollars and number of grants per year

$0$45K$90K$135K$181K3 grants20212 grants20224 grants20232 grants20244 grants2025

Grant Insights

How this funder distributes its grants

Top Recipients

Top 4 recipients in 2025

University of Nevada Ren…$25KIota Foundation$13KThunderbird Lodge Preser…$10KTahoe Lakefront Owners' …$1K

Grant Size Distribution

15 grants across all recorded years

14<$50K$50–100K1$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2025 grants, the largest include University of Nevada Reno Foun ($24,980), Iota Foundation ($12,500), Thunderbird Lodge Preservation Soci ($10,000).

RecipientPurposeAmount
University of Nevada Reno Foun Reno NV, NVGeneral$24,980
Thunderbird Lodge Preservation Soci Incline Village, NVGeneral$10,000
Tahoe Lakefront Owners' Association Tahoe City, CAGeneral$1,000
Iota Foundation Berkeley, CAGeneral$12,500

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2025 IRS filing

From 2025 filing

NameTitleHoursCompensation
Thomas K Witter TrusteeTrustee

Frequently Asked Questions

How large is Barbara and Tom Witter Foundation?

As of 2025, Barbara and Tom Witter Foundation holds $79K in total assets with $74K in annual revenue. It awarded 4 grants totaling $48K in 2025.

Where does Barbara and Tom Witter Foundation operate?

Barbara and Tom Witter Foundation has awarded grants in California, Nevada.

What size grants does Barbara and Tom Witter Foundation award?

In 2025, Barbara and Tom Witter Foundation awarded 4 grants totaling $48K — an average of about $12K per grant, based on its IRS Form 990 filings.

How much is Barbara and Tom Witter Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2025, Barbara and Tom Witter Foundation reported a distributable amount of $14K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Barbara and Tom Witter Foundation's EIN?

Barbara and Tom Witter Foundation's EIN (Employer Identification Number) is 94-3026662. IRS Form 990 filing data is available on this page for 2021–2025.

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Data last updated April 2026. Sourced from IRS Form 990-PF filings.

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