The Middleton Foundation | Foundation Profile

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

EIN: 94-3117882

Foundation Overview

Based in San Mateo, CA, The Middleton Foundation has awarded 225 grants totaling $5,810,727 to organizations in California, Pennsylvania and 13 other states, plus international recipients. Individual grants range from $40 to $750,000, with a median award of $1,000.

Latest Tax Year
2024
Total Giving (all years)
$5,810,727
Total Assets
$18,579,728
Median Grant (all grants)
$1,000

Latest Form 990-PF Snapshot

Total Grants
28
Median Grant
$1,000
% No Significant Change
0% (vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year: March 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: 7%

2 of 28 recipients (7%) were new grantees. Foundation maintains tight relationships with established partners. New applicants rarely succeed without insider connections.

Geographic Focus
California

59% of grants are awarded in California, with additional funding distributed across 16 other locations. The foundation balances regional focus with broader geographic diversity. Within California, funding concentrates in San Francisco (32%), Hillsborough (10%), Sacramento (6%).

Funding Trajectory
-16%

Declining funding trend with 16% decrease over 8 years may indicate reduced grant opportunities or shifting foundation priorities. This trajectory suggests more competitive application environment.

Program Areas
Community Projects

Highly focused on community projects with 100% of funding dedicated to this sector. This specialization indicates deep expertise and committed investment in the field.

Where is The Money Going?

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Grants & Funding

Analyzing past grantees provides valuable insights into The Middleton 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
James Beard Foundation $4,000 New York, NY, US Charity 2024
American Cornerstone Institute $100 Washington, DC, US Charity 2024
American School In London $1,000 London, Foreign, UK Charity 2024
Ananda Church $5,000 Palo Alto, CA, US Charity 2024
Ca Highway Patrol 11-99 $1,000 Sacramento, CA, US Charity 2024
California State Parks Fnd $1,000 San Francisco, CA, US Charity 2024
Coalition To Salute Amer $2,000 Wilton, CT, US Charity 2024
Commonwealth Club Of Ca $600 San Francisco, CA, US Charity 2024
Damon Runyon Cancer Research Fnd $1,000 New York, NY, US Charity 2024
Filoli $500 Woodside, CA, US Charity 2024
Harward University Gift $5,000 Cambridge, MA, US Charity 2024
Kyoto Prize Symposium $10,000 San Diego, CA, US Charity 2024
Mit (Eaps) $100,000 Cambridge, MA, US Charity 2024
National Law Enforcement Officers M $200 Washington, DC, US Charity 2024
Ocean Conservancy $1,000 Santa Cruz, CA, US Charity 2024
Opportunity International $50,000 Carol Stream, IL, US Charity 2024
Pollinator Partnership $1,000 San Francisco, CA, US Charity 2024
Rancho Sante Fe Rotary $3,700 Solana Beach, CA, US Charity 2024
San Mateo Public Library $1,000 San Mateo, CA, US Charity 2024
Science History Institute $10,000 Philadelphia, PA, US Charity 2024
Silicon Valley Community Foundation $500,000 Mountain View, CA, US Charity 2024
Srf Fellowship $1,000 San Francisco, CA, US Charity 2024
Sg Komen For The Cure $400 Dallas, TX, US Charity 2024
Stanford (Hoover Institution) $1,000 Stanford, CA, US Charity 2024
The Heritage Foundation $1,000 Washington, DC, US Charity 2024
The Leakey Foundation $2,000 San Francisco, CA, US Charity 2024
United States Olympic Committee $75,000 Alberta Lea, MN, US Charity 2024
Viewpoint School $5,000 Calabasas, CA, US Charity 2024
American School In London $1,000 London, Foreign, UK Charity 2023
Ananda Church $1,000 Palo Alto, CA, US Charity 2023
Asia Impact Center $5,000 North Fort Myers, FL, US Charity 2023
Ca Highway Patrol 11-99 $1,000 Sacramento, CA, US Charity 2023
California State Parks Fnd $1,000 San Francisco, CA, US Charity 2023
Coalition To Salute Amer $2,000 Wilton, CT, US Charity 2023
Commonwealth Club Of Ca $600 San Francisco, CA, US Charity 2023
Damon Runyon Cancer Research Fnd $1,000 New York, NY, US Charity 2023
Filoli $2,500 Woodside, CA, US Charity 2023
Harward University Gift $5,000 Cambridge, MA, US Charity 2023
Kyoto Prize Symposium $10,000 San Diego, CA, US Charity 2023
Leadership Institute $500 Arlington, VA, US Charity 2023
Mit (Eaps) $75,000 Cambridge, MA, US Charity 2023
National Law Enforcement Officers M $200 Washington, DC, US Charity 2023
Ocean Conservancy $1,000 Santa Cruz, CA, US Charity 2023
Opportunity International $50,000 Carol Stream, IL, US Charity 2023
Pollinator Partnership $1,000 San Francisco, CA, US Charity 2023
Rancho Sante Fe Rotary $3,164 Solana Beach, CA, US Charity 2023
San Mateo Public Library $1,000 San Mateo, CA, US Charity 2023
Science History Institute $5,000 Philadelphia, PA, US Charity 2023
Silicon Valley Community Foundation $500,000 Mountain View, CA, US Charity 2023
Srf Fellowship $1,000 San Francisco, CA, US Charity 2023
St Joseph's Indian School $100 Chamberlain, SD, US Charity 2023
Stanford (Hoover Institution) $1,000 Stanford, CA, US Charity 2023
The Heritage Foundation $1,000 Washington, DC, US Charity 2023
The Leakey Foundation $2,000 San Francisco, CA, US Charity 2023
United States Olympic Committee $112,500 Alberta Lea, MN, US Charity 2023
Viewpoint School $10,000 Calabasas, CA, US Charity 2023
American School In London $1,000 London, Foreign, UK Charity 2022
Ca Highway Patrol 11-99 $1,000 Sacramento, CA, US Charity 2022
California State Parks Fnd $1,000 San Francisco, CA, US Charity 2022
Coalition To Salute Amer $2,000 Wilton, CT, US Charity 2022
Comfort Cub $500 Encinitas, CA, US Charity 2022
Commonwealth Club Of Ca $600 San Francisco, CA, US Charity 2022
Rancho Sante Fe Rotary $8,007 Solana Beach, CA, US Charity 2022
Damon Runyon Cancer Research Fnd $1,000 New York, NY, US Charity 2022
Filoli $465 Woodside, CA, US Charity 2022
Harward University Gift $5,000 Cambridge, MA, US Charity 2022
The Heritage Foundation $1,000 Washington, DC, US Charity 2022
Hillsborough Sch Fnd $1,500 Hillsborough, CA, US Charity 2022
Iocc $1,000 Baltimore, MD, US Charity 2022
League To Sve Tahoe $1,000 South Lake Tahoe, CA, US Charity 2022
National Law Enforcement Officers M $200 Washington, DC, US Charity 2022
Ocean Conservancy $1,000 Santa Cruz, CA, US Charity 2022
Opportunity International $50,000 Carol Stream, IL, US Charity 2022
Viewpoint School $10,000 Calabasas, CA, US Charity 2022
Philanthropy Roundtable $1,000 Washington, DC, US Charity 2022
Pollinator Partnership $1,000 San Francisco, CA, US Charity 2022
San Mateo Public Library $1,000 San Mateo, CA, US Charity 2022
Silicon Valley Community Foundation $500,000 Mountain View, CA, US Charity 2022
Science History Institute $5,000 Philadelphia, PA, US Charity 2022
Stanford (Hoover Institution) $1,000 Stanford, CA, US Charity 2022
Unicef $1,046 San Francisco, CA, US Charity 2022
Susan G Komen $400 Dallas, TX, US Charity 2022
The Leakey Foundation $2,000 San Francisco, CA, US Charity 2022
United States Olympic Committee $75,000 Alberta Lea, MN, US Charity 2022
American School In London $1,000 London, N/A, UK Charity 2021
Ca Highway Patrol 11-99 $1,000 Sacramento, CA, US Charity 2021
California State Parks Fnd $1,000 San Francisco, CA, US Charity 2021
Chemical Heritage Foundation $5,000 Philadelphia, PA, US Charity 2021
Coalition To Salute Amer $2,000 Wilton, CT, US Charity 2021
Big Tree Boating $1,000 Islesboro, ME, US Charity 2021
Commonwealth Club Of Ca $1,000 San Francisco, CA, US Charity 2021
Rancho Santa Fe Historical Society $500 Rancho Santa Fe, CA, US Charity 2021
Rancho Sante Fe Rotary $70 Solana Beach, CA, US Charity 2021
Sg Komen For The Cure $250 Dallas, TX, US Charity 2021
Damon Runyon Cancer Research Fnd $1,000 New York, NY, US Charity 2021
Harward University Gift $5,000 Cambridge, MA, US Charity 2021
The Heritage Foundation $1,000 Washington, DC, US Charity 2021
Hillsborough Beautification Fnd $1,000 Hillsborough, CA, US Charity 2021
Hills Concours D'elegance $1,000 Hillsborough, CA, US Charity 2021
Hillsborough Sch Fnd $1,500 Hillsborough, CA, US Charity 2021
League To Sve Tahoe $1,000 South Lake Tahoe, CA, US Charity 2021
National Law Enforcement Officers M $200 Washington, DC, US Charity 2021
Ocean Conservancy $1,000 Santa Cruz, CA, US Charity 2021
Viewpoint School $10,000 Calabasas, CA, US Charity 2021
Philanthropy Roundtable $1,000 Washington, DC, US Charity 2021
Pollinator Partnership $1,000 San Francisco, CA, US Charity 2021
San Mateo Public Library $1,000 San Mateo, CA, US Charity 2021
Silicon Valley Community Foundation $500,000 Mountain View, CA, US Charity 2021
Stanford (hoover Institution) $1,000 Stanford, CA, US Charity 2021
The Leakey Foundation $2,000 San Francisco, CA, US Charity 2021
United States Olympic Committee $75,000 Alberta Lea, MN, US Charity 2021
American School In London $1,000 London, N/A, UK Charity 2020
Ca Highway Patrol 11-99 $1,000 Sacramento, CA, US Charity 2020
California State Parks Fnd $1,000 San Francisco, CA, US Charity 2020
Coalition To Salute Amer $2,000 Wilton, CT, US Charity 2020
Commonwealth Club Of Ca $1,000 San Francisco, CA, US Charity 2020
Damon Runyon Cancer Research Fnd $1,000 New York, NY, US Charity 2020
Filoli $500 Woodside, CA, US Charity 2020
Harward University Gift $5,000 Cambridge, MA, US Charity 2020
The Heritage Foundation $1,000 Washington, DC, US Charity 2020
Hillsborough Beautification Fnd $1,000 Hillsborough, CA, US Charity 2020
Hills Concours D'elegance $2,000 Hillsborough, CA, US Charity 2020
Hillsborough Sch Fnd $1,500 Hillsborough, CA, US Charity 2020
League To Sve Tahoe $1,000 South Lake Tahoe, CA, US Charity 2020
Life Sciences Fnd $5,000 Philadelphia, PA, US Charity 2020
Muttville $1,000 San Francisco, CA, US Charity 2020
Mit $40,000 Cambridge, MA, US Charity 2020
National Law Enforcement Officers M $200 Washington, DC, US Charity 2020
Northern Cal Public Media $250 Rohnert, CA, US Charity 2020
Ocean Conservancy $1,000 Santa Cruz, CA, US Charity 2020
Philanthropy Roundtable $1,250 Washington, DC, US Charity 2020
Pollinator Partnership $1,000 San Francisco, CA, US Charity 2020
San Mateo Public Library $1,000 San Mateo, CA, US Charity 2020
Sf Ballet $1,800 San Francisco, CA, US Charity 2020
Sf Opera $1,000 San Francisco, CA, US Charity 2020
Silicon Valley Community Foundation $500,000 Mountain View, CA, US Charity 2020
Stanford (hoover Institution) $1,000 Stanford, CA, US Charity 2020
The Leakey Foundation $2,000 San Francisco, CA, US Charity 2020
United States Olympic Committee $75,000 Alberta Lea, MN, US Charity 2020
Us Deputy Sheriff's Assoc $100 Wichita, KS, US Charity 2020
Ucsd $310 La Jolla, CA, US Charity 2020
Viewpoint School $10,000 Calabasas, CA, US Charity 2020
Volunteer Firefighter Alliance $100 Topeka, KS, US Charity 2020
White Rose Foundation $1,000 Los Angeles, CA, US Charity 2020
American School In London $1,000 London, N/A, UK Charity 2018
Ca Highway Patrol 11-99 $1,000 Sacramento, CA, US Charity 2018
California State Parks Fnd $1,000 San Francisco, CA, US Charity 2018
Chagdud Gonpa Fnd $100 Junction City, CA, US Charity 2018
Chemical Heritage Fnd $5,000 Philadelphia, PA, US Charity 2018
Coalition To Salute Amer $2,000 Wilton, CT, US Charity 2018
Commonwealth Club Of Ca $600 San Francisco, CA, US Charity 2018
Damon Runyon Cancer Research Fnd $1,000 New York, NY, US Charity 2018
Filoli $175 Woodside, CA, US Charity 2018
Harward University Gift $5,000 Cambridge, MA, US Charity 2018
Hills Concours D'elegance $2,000 Hillsborough, CA, US Charity 2018
Hillsborough Sch Fnd $1,500 Hillsborough, CA, US Charity 2018
League To Sve Tahoe $1,000 South Lake Tahoe, CA, US Charity 2018
Muttville $7,500 San Francisco, CA, US Charity 2018
National Law Enforcement Officers M $200 Washington, DC, US Charity 2018
Notre Dame Highschool $2,000 Belmont, CA, US Charity 2018
Opportunity International $10,000 Chicago, IL, US Charity 2018
Philanthropy Roundtable $1,000 Washington, DC, US Charity 2018
Pollinator Partnership $1,000 San Francisco, CA, US Charity 2018
San Mateo Public Library $1,000 San Mateo, CA, US Charity 2018
Sf Ballet $8,500 San Francisco, CA, US Charity 2018
Silicon Valley Community Foundation $500,000 Mountain View, CA, US Charity 2018
Susan G Komen For The Cure $250 Dallas, TX, US Charity 2018
Stanford (hoover Institution) $1,000 Stanford, CA, US Charity 2018
The Heritage Foundation $1,000 Washington, DC, US Charity 2018
The Leakey Foundation $2,000 San Francisco, CA, US Charity 2018
United States Olympic Committee $65,000 Alberta Lea, MN, US Charity 2018
Viewpoint School $5,000 Calabasas, CA, US Charity 2018
American Liver Foundation $15,100 San Francisco, CA, US Charity 2017
American School In London $1,000 London, N/A, UK Charity 2017
Ca Highway Patrol 11-99 $1,000 Sacramento, CA, US Charity 2017
California State Parks Fnd $1,000 San Francisco, CA, US Charity 2017
Chemical Heritage Fnd $5,000 Philadelphia, PA, US Charity 2017
Coalition To Salute Amer $2,000 Wilton, CT, US Charity 2017
Connect $3,500 San Diego, CA, US Charity 2017
Damon Runyon Cancer Research Fnd $1,000 New York, NY, US Charity 2017
Harward University Gift $5,000 Cambridge, MA, US Charity 2017
Commonwealth Club Of Ca $600 San Francisco, CA, US Charity 2017
Hills Concours D'elegance $2,000 Hillsborough, CA, US Charity 2017
Hillsborough Sch Fnd $1,500 Hillsborough, CA, US Charity 2017
League To Sve Tahoe $1,000 South Lake Tahoe, CA, US Charity 2017
Mit $85,000 Cambridge, MA, US Charity 2017
National Law Enforcement Officers M $200 Washington, DC, US Charity 2017
Opportunity International $50,000 Chicago, IL, US Charity 2017
Notre Dame Highschool $3,300 Belmont, CA, US Charity 2017
Philanthropy Roundtable $1,000 Washington, DC, US Charity 2017
Pollinator Partnership $1,000 San Francisco, CA, US Charity 2017
San Mateo Public Library $1,000 San Mateo, CA, US Charity 2017
Sf Ballet $8,000 San Francisco, CA, US Charity 2017
Silicon Valley Community Foundation $500,000 Mountain View, CA, US Charity 2017
Stanford (hoover Institution) $1,000 Stanford, CA, US Charity 2017
The Heritage Foundation $1,000 Washington, DC, US Charity 2017
The Leakey Foundation $2,000 San Francisco, CA, US Charity 2017
United States Olympic Committee $10,000 Alberta Lea, MN, US Charity 2017
Viewpoint School $18,500 Calabasas, CA, US Charity 2017
American School In London $1,000 London, N/A, UK Charity 2016
Ca Highway Patrol 11-99 $1,000 Sacramento, CA, US Charity 2016
California State Parks Fnd $500 San Francisco, CA, US Charity 2016
Chemical Heritage Fnd $6,500 Philadelphia, PA, US Charity 2016
Coalition To Salute Amer $2,000 Wilton, CT, US Charity 2016
Commonwealth Club Of Ca $500 Milpitas, CA, US Charity 2016
Connect $3,500 San Diego, CA, US Charity 2016
Damon Runyon Cancer Research Fnd $1,000 New York, NY, US Charity 2016
Deputy Sheriff's Ass Of Santa Cl $40 San Jose, CA, US Charity 2016
Harward University Gift $5,000 Cambridge, MA, US Charity 2016
Hills Concours D'elegance $1,000 Hillsborough, CA, US Charity 2016
Hillsborough Sch Fnd $1,500 Hillsborough, CA, US Charity 2016
League To Sve Tahoe $1,000 South Lake Tahoe, CA, US Charity 2016
Mit $85,000 Cambridge, MA, US Charity 2016
National Law Enforcement Officers M $200 Washington, DC, US Charity 2016
Notre Dame Highschool $2,050 Belmont, CA, US Charity 2016
Philanthropy Roundtable $1,000 Washington, DC, US Charity 2016
Pollinator Partnership $1,000 San Francisco, CA, US Charity 2016
San Mateo Public Library $1,000 San Mateo, CA, US Charity 2016
Sf Ballet $12,100 San Francisco, CA, US Charity 2016
Silicon Valley Community Foundation $750,000 Mountain View, CA, US Charity 2016
Stanford (hoover Institution) $1,000 Stanford, CA, US Charity 2016
The Heritage Foundation $1,000 Washington, DC, US Charity 2016
The Leakey Foundation $2,000 San Francisco, CA, US Charity 2016
United States Olympic Committee $37,500 Alberta Lea, MN, US Charity 2016
Viewpoint School $13,500 Calabasas, CA, US Charity 2016

Foundations Similar to The Middleton Foundation

Discover 5 foundations with comparable assets ($17,916,228-$19,480,969), 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: 95-3202989 | 142 grants awarded
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median grant
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EIN: 20-4861119 | 133 grants awarded
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99%
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EIN: 94-3399829 | 231 grants awarded
$19,225,071
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$1,250
median grant
Orinda, CA
Same state
98%
Excellent match

EIN: 94-1196197 | 83 grants awarded
$17,916,228
(≈ Similar)
$1,050
median grant
Willits, CA
Same state
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Excellent match

EIN: 95-3887151 | 548 grants awarded
$19,480,969
(≈ Similar)
$1,000
median grant
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Same state
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Excellent match

Contact Information

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

EIN 94-3117882
Website N/A
Address 1300 SOUTH EL CAMINO REAL STE 203 San Mateo, CA 94402-0000

Key People (1)

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

President & Fred A Middleton

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 The Middleton 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 March 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.