Hamilton Family Foundation | Foundation Profile

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

EIN: 20-5634026

Foundation Overview

Based in Santa Rosa, CA, Hamilton Family Foundation has awarded 80 grants totaling $799,500 to organizations in California, New York and 5 other states across the US. Individual grants range from $1,000 to $20,000, with a median award of $10,000.

Latest Tax Year
2024
Total Giving (all years)
$799,500
Total Assets
$1,172,687
Median Grant (all grants)
$10,000

Latest Form 990-PF Snapshot

Total Grants
9
Median Grant
$7,500
% Median Grant Decline
-25% (vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year: May 2026

Foundation Intelligence

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

New Applicant Friendliness
Balanced Approach: 33%

3 of 9 recipients (33%) were new grantees. Foundation maintains loyal partnerships while remaining open to qualified new applicants with strong proposals.

Geographic Focus
New York

Grants are geographically diversified with 30% in New York and funding distributed across 7 total locations. This foundation values broad geographic impact and diverse community partnerships. Within New York, funding concentrates in New York (100%).

Funding Trajectory
+47%

Moderate 47% growth trend over 8 years suggests stable and gradually increasing funding capacity. This positive trajectory indicates reliable grant-making resources and sustainable philanthropic commitment.

Program Areas
General Purposes + Education

Dual focus on general purposes (75%) and education, indicating strategic concentration in complementary program areas.

Where is The Money Going?

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Grants & Funding

Analyzing past grantees provides valuable insights into Hamilton Family 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
Aclu (American Civil Liberties Union) $10,000 New York, NY, US General Use 2024
Giffords Law Center To Prevent Gun Violence $7,500 San Francisco, CA, US General Use 2024
Music Mends Minds $10,000 Los Angeles, CA, US General Use 2024
National Public Radio $5,000 Culver City, CA, US General Use 2024
Partners For World Health $7,500 Portland, ME, US General Use 2024
Planned Prenthood Fedwration Of America $7,500 Washington, DC, US General Use 2024
The Trevor Project $5,000 West Hollywood, CA, US General Use 2024
Usa For Unhcr $7,500 Washington, DC, US General Use 2024
World Central Kitchen $7,500 Washington, DC, US General Use 2024
Aclu (American Civil Liberties Union) $10,000 New York, NY, US General Use 2023
Giffords Law Center To Prevent Gun Violence $10,000 San Francisco, CA, US General Use 2023
Partners For World Health $10,000 Portland, ME, US General Use 2023
Planned Prenthood Fedwration Of America $10,000 Washington, DC, US General Use 2023
Usa For Unhcr $10,000 Washington, DC, US General Use 2023
World Central Kitchen $10,000 Washington, DC, US General Use 2023
Aclu (American Civil Liberties Union) $10,000 New York, NY, US General Use 2023
Giffords Law Center To Prevent Gun Violence $10,000 San Francisco, CA, US General Use 2023
Partners For World Health $10,000 Portland, ME, US General Use 2023
Planned Prenthood Fedwration Of America $10,000 Washington, DC, US General Use 2023
Usa For Unhcr $10,000 Washington, DC, US General Use 2023
World Central Kitchen $10,000 Washington, DC, US General Use 2023
American Civil Liberties Union $15,000 New York, NY, US General Use 2022
Giffords Law Center $15,000 San Francisco, CA, US General Use 2022
Music Mends Minds Inc $5,000 Los Angeles, CA, US General Use 2022
Partners For World Health $10,000 Portland, ME, US General Use 2022
Planned Parenthood $15,000 New York, NY, US General Use 2022
Usa For Unhcr $15,000 Washington Dc, DC, US General Use 2022
World Central Kitchen $15,000 Washington Dc, DC, US General Use 2022
American Civil Liberties Union $15,000 New York, NY, US General Use 2022
Giffords Law Center $15,000 San Francisco, CA, US General Use 2022
Music Mends Minds Inc $5,000 Los Angeles, CA, US General Use 2022
Partners For World Health $10,000 Portland, ME, US General Use 2022
Planned Parenthood $15,000 New York, NY, US General Use 2022
Usa For Unhcr $15,000 Washington Dc, DC, US General Use 2022
World Central Kitchen $15,000 Washington Dc, DC, US General Use 2022
American Civil Liberties Union $15,000 New York, NY, US General Use 2022
Giffords Law Center $15,000 San Francisco, CA, US General Use 2022
Music Mends Minds Inc $5,000 Los Angeles, CA, US General Use 2022
Partners For World Health $10,000 Portland, ME, US General Use 2022
Planned Parenthood $15,000 New York, NY, US General Use 2022
Usa For Unhcr $15,000 Washington Dc, DC, US General Use 2022
World Central Kitchen $15,000 Washington Dc, DC, US General Use 2022
American Civil Liberties Union $15,000 New York, NY, US General Use 2022
Giffords Law Center $15,000 San Francisco, CA, US General Use 2022
Music Mends Minds Inc $5,000 Los Angeles, CA, US General Use 2022
Partners For World Health $10,000 Portland, ME, US General Use 2022
Planned Parenthood $15,000 New York, NY, US General Use 2022
Usa For Unhcr $15,000 Washington Dc, DC, US General Use 2022
World Central Kitchen $15,000 Washington Dc, DC, US General Use 2022
American Civil Liberties Union Of Southern California $15,000 Los Angeles, CA, US General Use 2021
Doctors Without Borders $15,000 New York, NY, US General Use 2021
Feeding America $15,000 Chicago, IL, US General Use 2021
Music Mends Minds Inc $5,000 Los Angeles, CA, US General Use 2021
Natural Resources Defense Council $15,000 New York, NY, US General Use 2021
Planned Parenthood $15,000 New York, NY, US General Use 2021
Usa For Unhcr $15,000 Washington Dc, DC, US General Use 2021
World Central Kitchen $5,000 Washington Dc, DC, US General Use 2021
American Civil Liberties Union $7,500 New York, NY, US General Use 2020
Catholic Charities $15,000 Alexandria, VA, US Eviction Prevention Program 2020
Feeding America $17,500 Chicago, IL, US General Use 2020
Hispanic Federation $10,000 New York, NY, US General Use 2020
Music Mends Minds Inc $2,500 Los Angeles, CA, US General Use 2020
Oxfam America $7,500 Boston, MA, US General Use 2020
Alzheimer's Disease Research Foundation $9,000 Wellesley Hills, MA, US General Use 2017
Anova School $3,000 Santa Rosa, CA, US General Use 2017
Everytown For Gun Safety Support Fund $1,000 New York, NY, US General Use 2017
Hispanic Federation $20,000 New York, NY, US General Use 2017
Juvenile Diabetis Research Foundation $2,000 New York, NY, US Type 1 Diabetis Research 2017
Music Mends Minds Inc $1,000 Los Angeles, CA, US General Use 2017
Syrian Orphans Org $10,000 Chicago, IL, US General Use 2017
American Civil Liberties Union $10,000 New York, NY, US General Use 2016
Earthjustice $1,000 San Francisco, CA, US General Use 2016
Heal The Bay $1,000 Santa Monica, CA, US General Use 2016
Juvenile Diabetis Research Foundation $3,000 New York, NY, US Type 1 Diabetis Research 2016
Natural Resources Defense Council $10,000 New York, NY, US General Use 2016
New Directions For Veterans $2,500 Los Angeles, CA, US General Use 2016
Planned Parenthood $5,000 New York, NY, US General Use 2016
Puppies Behind Bars $2,500 New York, NY, US General Use 2016
Santa Rosa Junior College Foundation $1,000 Santa Rosa, CA, US Petaluma Film Alliance Project 2016
Syrian Orphans Organization $10,000 Chicago, IL, US General Use 2016

Foundations Similar to Hamilton Family Foundation

Discover 5 foundations with comparable assets ($1,165,915-$1,170,815), 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: 82-2811849 | 2 grants awarded
$1,170,815
(≈ Similar)
$10,000
median grant
Sacramento, CA
Same state
100%
Excellent match

EIN: 41-6273637 | 36 grants awarded
$1,170,700
(≈ Similar)
$6,250
median grant
La Jolla, CA
Same state
100%
Excellent match

EIN: 33-0912834 | 83 grants awarded
$1,167,635
(≈ Similar)
$15,000
median grant
Anaheim, CA
Same state
100%
Excellent match

EIN: 47-5405824 | 89 grants awarded
$1,166,180
(≈ Similar)
$9,250
median grant
San Diego, CA
Same state
100%
Excellent match

EIN: 77-0472441 | 90 grants awarded
$1,165,915
(≈ Similar)
$7,150
median grant
Bakersfield, CA
Same state
100%
Excellent match

Contact Information

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

EIN 20-5634026
Website N/A
Address 2360 MENDOCINO AVE A2317 Santa Rosa, CA 95403-3153

Key People (5)

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

Director, President & Exc Director Susan Brin
Director, Cfo Mark Hamilton
Director Barbara Tamborski
Director, Chairperson & Secretary Marie Hamilton
Director Bernard Hamilton

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 Hamilton Family 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 May 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.