G W Williams Foundation | Foundation Profile

GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like G W Williams Foundation. Data shown is extracted from Form 990-PF filings.

EIN: 94-6095718

Foundation Overview

Based in San Mateo, CA, G W Williams Foundation has awarded 96 grants totaling $258,245 to organizations in California, Massachusetts and 3 other states across the US. Individual grants range from $500 to $12,200, with a median award of $1,000.

Latest Tax Year
2023
Total Giving (all years)
$258,245
Total Assets
$372,229
Median Grant (all grants)
$1,000

Latest Form 990-PF Snapshot

Total Grants
10
Median Grant
$2,000
% Median Grant Growth
+100% (vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year: February 2026

Foundation Intelligence

Advanced analytics and strategic insights to help nonprofit organizations assess grant opportunities and optimize their application strategies

New Applicant Friendliness
Closed Network: 10%

1 of 10 recipients (10%) were new grantees. Foundation maintains tight relationships with established partners. New applicants rarely succeed without insider connections.

Geographic Focus
California

85% of all grants are concentrated in California, demonstrating highly focused geographic giving. This foundation prioritizes deep community impact in its primary service area. Within California, funding concentrates in Burlingame (24%), Redwood City (16%), San Mateo (15%).

Funding Trajectory
+17%

Stable funding levels with 17% change over 8 years indicate consistent grant-making capacity and predictable philanthropic resources. This stability suggests reliable ongoing funding opportunities.

Program Areas
Education + 4 others

Diversified giving across multiple program areas with primary emphasis on education (29%). This broad approach suggests openness to various causes and innovative cross-sector solutions.

Where is The Money Going?

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Grants & Funding

Analyzing past grantees provides valuable insights into G W Williams Foundation's funding preferences, organizational priorities, and grant making patterns. This historical data helps potential applicants understand the foundation's strategic focus and identify successful funding approaches.

Name Amount Location Purpose Year
Burlingame Rotary Service Fund $1,000 Burlingame, CA, US Education 2023
Coastside Land Trust $5,000 Half Moon Bay, CA, US Environment 2023
Jobtrain $1,000 Menlo Park, CA, US Education 2023
Leukemia & Lymphoma Society $1,000 San Francisco, CA, US Medical Research 2023
Mills Peninsula Foundation $5,000 Burlingame, CA, US Medical Support 2023
Mission Hospice & Home Care $3,000 San Mateo, CA, US Human Services 2023
San Mateo County Historical Assoc $5,000 Redwood City, CA, US Education 2023
Science For Scientists $1,000 Bedford, MA, US Children & Youth 2023
Tunnel To Towers Foundation $1,000 Danbury, CT, US Community Support 2023
Volunteer Florida Foundation Inc $5,000 Tallahassee, FL, US Human Services 2023
Burlingame Rotary Service Fund $1,000 Burlingame, CA, US Education 2022
Coastside Land Trust $5,000 Half Moon Bay, CA, US Environment 2022
Jobtrain $1,000 Menlo Park, CA, US Education 2022
Leukemia & Lymphoma Society $1,000 San Francisco, CA, US Medical Research 2022
Mills Peninsula Foundation $5,000 Burlingame, CA, US Medical Support 2022
Mission Hospice & Home Care $3,000 San Mateo, CA, US Human Services 2022
San Mateo County Historical Assoc $5,000 Redwood City, CA, US Education 2022
Science For Scientists $1,000 Bedford, MA, US Children & Youth 2022
Tunnel To Towers Foundation $1,000 Danbury, CT, US Community Support 2022
Burlingame Rotary Service Fund $1,000 Burlingame, CA, US Education 2022
Coastside Land Trust $5,000 Half Moon Bay, CA, US Environment 2022
Jobtrain $1,000 Menlo Park, CA, US Education 2022
Leukemia & Lymphoma Society $1,000 San Francisco, CA, US Medical Research 2022
Mills Peninsula Foundation $5,000 Burlingame, CA, US Medical Support 2022
Mission Hospice & Home Care $3,000 San Mateo, CA, US Human Services 2022
San Mateo County Historical Assoc $5,000 Redwood City, CA, US Education 2022
Science For Scientists $1,000 Bedford, MA, US Children & Youth 2022
Tunnel To Towers Foundation $1,000 Danbury, CT, US Community Support 2022
Burlingame Rotary Service Fund $1,000 Burlingame, CA, US Educational Purpose 2021
Coastside Land Trust $5,000 Half Moon Bay, CA, US Land Preservation 2021
Jobtrain $1,000 Menlo Park, CA, US Job Training 2021
Mills Peninsula Hospital Foundation $5,000 Burlingame, CA, US Medical Support 2021
Mission Hospice & Home Care $3,000 San Mateo, CA, US Home Care 2021
San Mateo County Historical Assoc $5,000 Redwood City, CA, US Historical Education 2021
Science From Scientists $1,000 Bedford, MA, US Community Support 2021
The Leukemia & Lymphoma Society $1,000 San Francisco, CA, US Medical Research 2021
The Tunnel To Towers Foundation $1,000 Danbury, CT, US Community Support 2021
Burlingame Rotary Service Fund $1,000 Burlingame, CA, US Educational Purpose 2021
Coastside Land Trust $5,000 Half Moon Bay, CA, US Land Preservation 2021
Jobtrain $1,000 Menlo Park, CA, US Job Training 2021
Mills Peninsula Hospital Foundation $5,000 Burlingame, CA, US Medical Support 2021
Mission Hospice & Home Care $3,000 San Mateo, CA, US Home Care 2021
San Mateo County Historical Assoc $5,000 Redwood City, CA, US Historical Education 2021
Science From Scientists $1,000 Bedford, MA, US Community Support 2021
The Leukemia & Lymphoma Society $1,000 San Francisco, CA, US Medical Research 2021
The Tunnel To Towers Foundation $1,000 Danbury, CT, US Community Support 2021
Burlingame Rotary Service Fund $1,000 Burlingame, CA, US Educational Purpose 2020
Coastside Land Trust $5,000 Half Moon Bay, CA, US Land Preversation 2020
Jobtrain $1,000 Menlo Park, CA, US Job Training 2020
Mills Peninsula Hospital Foundation $5,000 Burlingame, CA, US Medical Improvement 2020
Mission Hospice & Home Care $3,000 San Mateo, CA, US Home Care 2020
San Mateo County Historical Assoc $5,000 Redwood City, CA, US Historical Education 2020
Science From Scientists $1,000 Bedford, MA, US Community Support 2020
The Leukemia & Lymphoma Society $1,000 San Francisco, CA, US Medical Improvement 2020
The Tunnel To Towers Foundation $1,000 Staten Island, NY, US Community Support 2020
Burlingame Rotary Service Fund $1,000 Burlingame, CA, US Educational Purpose 2019
Coastside Land Trust $5,000 Half Moon Bay, CA, US Land Preversation 2019
Jobtrain $1,000 Menlo Park, CA, US Job Training 2019
Mills Peninsula Hospital Foundation $5,000 Burlingame, CA, US Medical Improvement 2019
Mission Hospice & Home Care $3,000 San Mateo, CA, US Home Care 2019
San Mateo County Historical Assoc $5,000 Redwood City, CA, US Historical Education 2019
Saved In America $1,000 Valley Center, CA, US Human Trafficking 2019
Science From Scientists $1,000 Bedford, MA, US Community Support 2019
The Leukemia & Lymphoma Society $1,000 San Francisco, CA, US Medical Improvement 2019
Wounded Warrior Project $1,000 San Diego, CA, US Medical Improvement 2019
Burlingame Rotary Service Fund $1,000 Burlingame, CA, US Educational Purpose 2017
Coastside Land Trust $2,500 Half Moon Bay, CA, US Land Preversation 2017
Community Gatepath $1,000 Redwood City, CA, US Community Support 2017
Mills Peninsula Hospital Foundation $5,000 Burlingame, CA, US Medical Improvement 2017
Mission Hospice & Home Care $5,000 San Mateo, CA, US Home Care 2017
San Mateo County Historical Asso $4,345 Redwood City, CA, US Historical Education 2017
The Leukemia & Lymphoma Society $1,000 San Francisco, CA, US Medical Improvement 2017
Wounded Warrior Project $1,000 San Diego, CA, US Medical Improvement 2017
Jobtrain $500 Menlo Park, CA, US Job Training 2017
Burlingame Rotary Service Fund $1,000 Burlingame, CA, US Educational Purpose 2016
Coastside Land Trust $5,000 Half Moon Bay, CA, US Land Preversation 2016
Community Gatepath $1,000 Redwood City, CA, US Community Support 2016
Mills Peninsula Hospital Foundation $5,000 Burlingame, CA, US Medical Improvement 2016
Mission Hospice & Home Care $5,000 San Mateo, CA, US Home Care 2016
San Mateo County Historical Asso $2,000 Redwood City, CA, US Historical Education 2016
The Leukemia & Lymphoma Society $1,000 San Francisco, CA, US Medical Improvement 2016
Wounded Warrior Project $1,000 San Diego, CA, US Medical Improvement 2016
Jobtrain $500 Menlo Park, CA, US Job Training 2016
Napa Valley Community Foundation $12,200 Napa, CA, US Disaster Relief 2016
Community Foundation Sonoma County $12,200 Santa Rosa, CA, US Disaster Relief 2016
Burlingame Rotary Service Fund $1,000 Burlingame, CA, US Educational Purpose 2015
Coastside Land Trust $5,000 Half Moon Bay, CA, US Land Preversation 2015
Community Gatepath $1,000 Redwood City, CA, US Community Support 2015
Mills Peninsula Hospital Foundation $5,000 Burlingame, CA, US Medical Improvement 2015
Mission Hospice & Home Care $5,000 San Mateo, CA, US Home Care 2015
Park School Foundation $500 San Mateo, CA, US Educational Purpose 2015
San Mateo County Historical Asso $1,000 Redwood City, CA, US Historical Education 2015
The Bay Area Deputy Sheriffs' Chart $1,000 San Francisco, CA, US Community Support 2015
The Hillsdale High School Foundatio $2,500 San Mateo, CA, US Educational Purpose 2015
The Leukemia & Lymphoma Society $1,000 San Francisco, CA, US Medical Improvement 2015
Wounded Warrior Project $1,000 San Diego, CA, US Medical Improvement 2015

Foundations Similar to G W Williams Foundation

Discover 5 foundations with comparable assets ($371,705-$373,359), similar grant patterns, and geographic focus in CA that may also align with your organization's funding needs and grant seeking strategy.

Foundation Name Total Assets Typical Grant Size Service Area Similarity Match

EIN: 95-4705240 | 17 grants awarded
$371,705
(≈ Similar)
$2,000
median grant
La Mirada, CA
Same state
100%
Excellent match

EIN: 46-4378448 | 79 grants awarded
$372,905
(≈ Similar)
$2,000
median grant
Cupertino, CA
Same state
100%
Excellent match

EIN: 95-4624973 | 45 grants awarded
$373,005
(≈ Similar)
$500
median grant
Del Mar, CA
Same state
100%
Excellent match

EIN: 37-6027471 | 291 grants awarded
$373,012
(≈ Similar)
$1,000
median grant
San Mateo, CA
Same state
100%
Excellent match

EIN: 94-2427692 | 56 grants awarded
$373,359
(≈ Similar)
$1,500
median grant
Piedmont, CA
Same state
100%
Excellent match

Contact Information

Official contact details for G W Williams Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 94-6095718
Website N/A
Address 3190 CLEARVIEW WAY San Mateo, CA 94402-3752

Key People (4)

Board members, trustees, and key staff who oversee G W Williams Foundation's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.

Vice Preside Charles E Rosebrook
President Robert P Berryman Jr
Secretary Kathryn Williams
Treasurer Zane Fischer

Forms 990-PF

IRS Form 990-PF filings provide comprehensive financial information, grant details, and operational data. These documents are essential resources for understanding foundation capacity, giving patterns, and strategic priorities.

Form 990-PF Research Tips
  • Review Part XV for detailed grant recipient information and funding purposes
  • Check Part I for total assets, annual giving amounts, and payout requirements
  • Examine Part VIII for key personnel compensation and board structure
  • Look for trends across multiple years to understand giving patterns

About This Foundation Profile

This comprehensive foundation profile for G W Williams Foundation is powered by Grant Bay's advanced foundation research platform. Our system analyzes IRS Form 990-PF filings, grant histories, and philanthropic patterns to provide nonprofit organizations with actionable intelligence for grant seeking success.

Data Sources & Accuracy

All information is derived from official IRS filings and public records. Grant Bay processes thousands of Form 990-PF documents to extract grant details, financial data, and organizational information. Data accuracy depends on foundation reporting quality and IRS filing completeness.

Research Applications

Use this profile for prospect research, grant strategy development, application preparation, and relationship building. Combine this data with additional research on foundation priorities, application processes, and board member backgrounds for comprehensive grant seeking strategies.

Data Currency: Last updated February 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.