G W Williams Foundation

Foundation · Grantmaker San Mateo, CA EIN: 94-6095718

G W Williams Foundation is a private foundation, based in San Mateo, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $408K in total assets. In 2024, it awarded 10 grants totaling $28K. Net investment income was $17K.

Key facts about G W Williams Foundation

EIN
94-6095718
Latest 990 filing
Form 990-PF, 2024
Annual giving (2024)
$28,000
Grants made (2024)
10
Average grant
$2,800
Median grant
$2,000
New grantees (estimate)
10% first-time grantees (1 of 10, 2024)
Total assets
$408,386
Primary geography
California (75% of itemized 2024 grant dollars)

Data from IRS Form 990-PF, 2024; updated September 2026. New grantees are estimated by matching recipient names across years (methodology).

Who G W Williams Foundation funds

By grant dollars, the top recipient states for G W Williams Foundation's 10 itemized 2024 grants were California (75%) and Florida (18%). The most frequent recipient cities were Burlingame, CA (2 grants). None of its 10 grants with a stated purpose were described as general or operating support. Recurring purposes include "Education" (3 grants).

Is G W Williams Foundation open to new grantees?

10%

first-time grantees, 2024

In 2024, 1 of 10 grantees (10%) were first-time recipients. First grants averaged $5K; repeat grants $3K. How we count

Medians: $5K first-time, $1K repeat.

  • 90% of 2024 grantees were also funded in 2023. Method
  • Giving grew 22% from 2021 to 2024. Method
  • In 2024 it paid out 148% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized IRS Form 990-PF grant lists (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

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Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$408K

+9.7% YoY

Annual Giving

$28K

+21.7% YoY

Grant Count

10

+11.1% YoY

Avg Grant Size

$3K

+9.6% YoY

Under IRS private-foundation payout rules, G W Williams Foundation reported a distributable amount of $19K for 2024 — the minimum it must pay out in qualifying distributions.

About G W Williams Foundation

Based on IRS filings

G W Williams Foundation is a private foundation, based in San Mateo, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $408K in total assets. In 2024, it awarded 10 grants totaling $28K. Net investment income was $17K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

5states

Share of all 10 itemized 2024 grant dollars.

Cities

BurlingameBedfordHalf Moon BayMenlo ParkRedwood CitySan FranciscoSan MateoDanburySan DiegoStaten IslandTallahasseeValley Center

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$17K$33K$50K$66K20202021202220232024
Metric202420232022
Total Assets$408,386$372,282$380,379
Revenue$60,159$17,016$54,949
Expenses$29,055$23,837$24,273
Qualifying Distributions$28,000$46,000$23,000
Net Investment Income$17,159$17,016$2,949
Distributable Amount$18,982$18,295—

Data update history

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

Giving Over Time

Total grant dollars and number of grants per year

$0$7K$14K$21K$28K10 grants20209 grants20219 grants20229 grants202310 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Coastside Land Trust: $5KCoastside Land Trust$5KMills Peninsula Foundation: $5KMills Peninsula Foundation$5KSan Mateo County Historical Assoc: $5KSan Mateo County HistoricalAssoc$5KVolunteer Florida Foundation Inc: $5KVolunteer Florida FoundationInc$5KMission Hospice & Home Care: $3KMission Hospice & Home Care$3KBurlingame Rotary Service Fund: $1KBurlingame Rotary Service Fund$1KJobtrain: $1KJobtrain$1KLeukemia & Lymphoma Society: $1KLeukemia & Lymphoma Society$1KScience for Scientists: $1KScience for Scientists$1KTunnel to Towers Foundation: $1KTunnel to Towers Foundation$1K

Grant Size Distribution

47 grants across all recorded years

47<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest recipients include Coastside Land Trust ($5,000), Mills Peninsula Foundation ($5,000), San Mateo County Historical Assoc ($5,000).

RecipientPurposeAmount
COASTSIDE LAND TRUST Half Moon Bay, CAENVIRONMENT$5,000
MILLS PENINSULA FOUNDATION Burlingame, CAMEDICAL SUPPORT$5,000
SAN MATEO COUNTY HISTORICAL ASSOC Redwood City, CAEDUCATION$5,000
VOLUNTEER FLORIDA FOUNDATION INC Tallahassee, FLHUMAN SERVICES$5,000
MISSION HOSPICE & HOME CARE San Mateo, CAHUMAN SERVICES$3,000
BURLINGAME ROTARY SERVICE FUND Burlingame, CAEDUCATION$1,000
JOBTRAIN Menlo Park, CAEDUCATION$1,000
LEUKEMIA & LYMPHOMA SOCIETY San Francisco, CAMEDICAL RESEARCH$1,000
SCIENCE FOR SCIENTISTS Bedford, MACHILDREN & YOUTH$1,000
TUNNEL TO TOWERS FOUNDATION Danbury, CTCOMMUNITY SUPPORT$1,000

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

No officer or director reported compensation in the available filings.

From 2024 IRS filing

NameTitleHoursCompensation
Charles E RosebrookVice Preside——
Robert P Berryman JrPresident——
Kathryn WilliamsSecretary——
Zane FischerTreasurer——

Frequently Asked Questions

How large is G W Williams Foundation?

As of 2024, G W Williams Foundation holds $408K in total assets with $60K in annual revenue. It awarded 10 grants totaling $28K in 2024.

Where does G W Williams Foundation operate?

G W Williams Foundation has awarded grants in California, Connecticut, Florida, Massachusetts, New York.

What size grants does G W Williams Foundation award?

In 2024, G W Williams Foundation awarded 10 grants totaling $28K — an average of about $3K per grant, based on its IRS Form 990 filings.

How much is G W Williams Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, G W Williams Foundation reported a distributable amount of $19K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is G W Williams Foundation's EIN?

G W Williams Foundation's EIN (Employer Identification Number) is 94-6095718. IRS Form 990 filing data is available on this page for 2020–2024.

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

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