Mattis Family Foundation | Foundation Profile

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

EIN: 20-3538795

Foundation Overview

Based in Greenwich, CT, Mattis Family Foundation has awarded 73 grants totaling $1,622,000 to organizations in Connecticut, Massachusetts and 5 other states across the US. Individual grants range from $5,000 to $100,000, with a median award of $20,000.

Latest Tax Year
2024
Total Giving (all years)
$1,622,000
Total Assets
$3,272,811
Median Grant (all grants)
$20,000

Latest Form 990-PF Snapshot

Total Grants
10
Median Grant
$10,000
% Median Grant Decline
-33% (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
Connecticut

52% of grants are awarded in Connecticut, with additional funding distributed across 6 other locations. The foundation balances regional focus with broader geographic diversity. Within Connecticut, funding concentrates in Greenwich (74%), Lakeville (13%), Norwalk (8%).

Funding Trajectory
-11%

Declining funding trend with 11% decrease over 4 years may indicate reduced grant opportunities or shifting foundation priorities. This trajectory suggests more competitive application environment.

Program Areas
Community Projects + 4 others

Diversified giving across multiple program areas with primary emphasis on community projects (41%). 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 Mattis 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
Bruce Museum $5,000 Greenwich, CT, US Education, Culture, Art 2024
Propublica $10,000 New York, NY, US Art 2024
Eagle Hill School $25,000 Greenwich, CT, US Education 2024
Greenwich Country Day School $100,000 Greenwich, CT, US Education 2024
Greenwich Historical Society $5,000 Cos Cob, CT, US Education 2024
Greenwich Library $10,000 Greenwich, CT, US Education & Community Outreach Programs 2024
Kripalu Center For Yoga & Health $10,000 Stockbridge, MA, US Spiritual Development 2024
Neighbor To Neighbor $20,000 Greenwich, CT, US Food Bank 2024
New York Public Radio $10,000 New York, NY, US Support Public Media 2024
Burning Man Project $20,000 San Francisco, CA, US Art, Music And Innovation 2024
Eagle Hill School $25,000 Greenwich, CT, US Education 2023
Greenwich Country Day School $25,000 Greenwich, CT, US Education 2023
Kripalu Center For Yoga & Health $10,000 Stockbridge, MA, US Spiritual Development 2023
Neighbor To Neighbor $20,000 Greenwich, CT, US Food Bank 2023
The Peddie School $20,000 Hightstown, NJ, US Education 2023
University Of California Berkley $10,000 Berkeley, CA, US Education 2023
Greenwich Historical Society $5,000 Cos Cob, CT, US Education 2023
Greenwich Library $10,000 Greenwich, CT, US Education & Community Outreach Programs 2023
Bruce Museum $5,000 Greenwich, CT, US Education, Culture, Art 2023
Burning Man Project $20,000 San Francisco, CA, US Art 2023
Doctors Without Border $20,000 New York, NY, US Emergency Medical Services 2023
New York Public Radio $5,000 New York, NY, US Support Public Media 2023
Eagle Hill School $50,000 Greenwich, CT, US Education 2022
Greenwich Country Day School $70,000 Greenwich, CT, US Education 2022
Indian Mountain School $35,000 Lakeville, CT, US Education 2022
Kripalu Center For Youth $10,000 Stockbridge, MA, US Spiritual Development 2022
Neighbor To Neighbor $10,000 Greenwich, CT, US Food Bank 2022
Uc Berkley Foundation $20,000 Berkeley, CA, US Education 2022
Empyrean Temple $20,000 San Francisco, CA, US Art & Culture 2022
Playwrights Horizons Inc $5,000 New York, NY, US Theatre 2022
The Peddie School $20,000 Hightstown, NJ, US Education 2022
Smart Kids With Learning Disability $5,000 Norwalk, CT, US Education For Special Needs 2022
Eagle Hill School $50,000 Greenwich, CT, US Education 2022
Greenwich Country Day School $70,000 Greenwich, CT, US Education 2022
Indian Mountain School $35,000 Lakeville, CT, US Education 2022
Kripalu Center For Youth $10,000 Stockbridge, MA, US Spiritual Development 2022
Neighbor To Neighbor $10,000 Greenwich, CT, US Food Bank 2022
Uc Berkley Foundation $20,000 Berkeley, CA, US Education 2022
Empyrean Temple $20,000 San Francisco, CA, US Art & Culture 2022
Playwrights Horizons Inc $5,000 New York, NY, US Theatre 2022
The Peddie School $20,000 Hightstown, NJ, US Education 2022
Smart Kids With Learning Disability $5,000 Norwalk, CT, US Education For Special Needs 2022
Eagle Hill School $50,000 Greenwich, CT, US Education 2022
Greenwich Country Day School $70,000 Greenwich, CT, US Education 2022
Indian Mountain School $35,000 Lakeville, CT, US Education 2022
Kripalu Center For Youth $10,000 Stockbridge, MA, US Spiritual Development 2022
Neighbor To Neighbor $10,000 Greenwich, CT, US Food Bank 2022
Uc Berkley Foundation $20,000 Berkeley, CA, US Education 2022
Empyrean Temple $20,000 San Francisco, CA, US Art & Culture 2022
Playwrights Horizons Inc $5,000 New York, NY, US Theatre 2022
The Peddie School $20,000 Hightstown, NJ, US Education 2022
Smart Kids With Learning Disability $5,000 Norwalk, CT, US Education For Special Needs 2022
Eagle Hill School $25,000 Greenwich, CT, US Education 2021
Greenwich Country Day School $45,000 Greenwich, CT, US Education 2021
Greenwich Library $10,000 Greenwich, CT, US Education 2021
Indian Mountain School $70,000 Lakeville, CT, US Education 2021
Kripalu Center For Youth $10,000 Stockbridge, MA, US Spiritual Development 2021
Neighbor To Neighbor $20,000 Greenwich, CT, US Food Bank 2021
Berkeley Chess School $10,000 Berkeley, CA, US Sport Development 2021
All Star Code $20,000 New York, NY, US Economic Development 2021
Uc Berkley Foundation $25,000 Berkeley, CA, US Education 2021
The Freecycle Network $10,000 Tucson, AZ, US Economic Development 2021
Greenwich Land Trust $10,000 Greenwich, CT, US Environmental Protection 2021
Greenwich Country Day School $45,000 Greenwich, CT, US Charitable Contribution 2020
Neighbor To Neighbor $20,000 Greenwich, CT, US Charitable Contribution 2020
M4bl Fund $20,000 New York, NY, US Charitable Contribution 2020
The Highlander Center $20,000 New Market, TN, US Charitable Contribution 2020
Give Directly Inc $20,000 New York, NY, US Charitable Contribution 2020
Naacp Legal Defence Fund $20,000 New York, NY, US Charitable Contribution 2020
Eagle Hill School $25,000 Greenwich, CT, US Charitable Contribution 2020
Indian Mountain School $40,000 Lakeville, CT, US Charitable Contribution 2020
Greenwich Library $25,000 Greenwich, CT, US Charitable Contribution 2020
Kripalu Center For Youth $7,000 Stockbridge, MA, US Charitable Contribution 2020

Foundations Similar to Mattis Family Foundation

Discover 5 foundations with comparable assets ($3,273,709-$3,353,413), similar grant patterns, and geographic focus in CT 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: 31-1794110 | 138 grants awarded
$3,273,709
(≈ Similar)
$10,000
median grant
West Hartford, CT
Same state
100%
Excellent match

EIN: 65-1060292 | 114 grants awarded
$3,275,368
(≈ Similar)
$22,500
median grant
Westport, CT
Same state
100%
Excellent match

EIN: 26-2341663 | 114 grants awarded
$3,299,247
(≈ Similar)
$10,000
median grant
West Hartford, CT
Same state
100%
Excellent match

EIN: 59-7268915 | 26 grants awarded
$3,341,404
(≈ Similar)
$38,664.5
median grant
Litchfield, CT
Same state
99%
Excellent match

EIN: 14-1837220 | 105 grants awarded
$3,353,413
(≈ Similar)
$10,000
median grant
West Hartford, CT
Same state
99%
Excellent match

Contact Information

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

EIN 20-3538795
Website N/A
Address 77 ZACCHEUS MEAD LN Greenwich, CT 06831-3717

Key People (2)

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

Trustee Peter Mattis
Trustee Kathyrn Mattis

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 Mattis 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 February 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.