Leonard Mayer Foundation | Foundation Profile

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

EIN: 23-7042005

Foundation Overview

Based in Boca Raton, FL, Leonard Mayer Foundation has awarded 96 grants totaling $137,414 to organizations in New York, District of Columbia and 10 other states across the US. Individual grants range from $100 to $11,000, with a median award of $1,000.

Latest Tax Year
2023
Total Giving (all years)
$137,414
Total Assets
$281,765
Median Grant (all grants)
$1,000

Latest Form 990-PF Snapshot

Total Grants
15
Median Grant
$1,000
% 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
Balanced Approach: 33%

5 of 15 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 34% in New York and funding distributed across 12 total locations. This foundation values broad geographic impact and diverse community partnerships. Within New York, funding concentrates in New York (100%).

Funding Trajectory
+84%

Strong 84% growth in annual giving over 7 years indicates expanding philanthropic capacity and increasing opportunities for grant seekers. This upward trajectory suggests growing foundation resources and commitment.

Program Areas
General Purposes

Highly focused on general purposes 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 Leonard Mayer 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
92 Street Y $500 New York, NY, US Operating Funds 2023
American Macular Degeneration Foundation $1,000 Northampton, MA, US Operating Funds 2023
Friends Of The Israel Defense Forces $2,000 New York, NY, US Operating Funds 2023
Hillel Of Broward And Palm Beach $1,500 Boca Raton, FL, US Operating Funds 2023
Hospitals For Special Surgery $1,000 New York, NY, US Operating Funds 2023
International Fellowship Of Christians And Jews $1,000 Chicago, IL, US Operating Funds 2023
Memorial Sloan Kettering $2,000 Hagerstown, MD, US Operating Funds 2023
Metropolitan Opera $500 New York, NY, US Operating Funds 2023
Parkinsons Foundation $2,000 Albert Lee, MN, US Operating Funds 2023
Pef Israel Endowment $2,500 New York, NY, US Operating Funds 2023
Prostate Cancer Foundation $4,000 Albert Led, MN, US Operating Funds 2023
Soloman Schecter School $6,000 New York, NY, US Operating Funds 2023
St Jude Childrens Hospital $1,000 New York, NY, US Operating Funds 2023
The Doe Fund $500 New York, NY, US Operating Funds 2023
Wounded Warrior Project $500 Topeka, KS, US Operating Funds 2023
Alzheimers Association $2,000 Washington, DC, US Operating Funds 2022
Boca Raton Regional Hospital Foundation $1,000 Boca Raton, FL, US Operating Funds 2022
Hillel Of Broward And Palm Beach $500 Boca Raton, FL, US Operating Funds 2022
Hss $1,000 New York, NY, US Operating Funds 2022
Memorial Sloan Kettering $500 Hagerstown, MD, US Operating Funds 2022
Parkinsons Foundation $2,000 Albert Lee, MN, US Operating Funds 2022
Prostate Cancer Foundation $2,000 Albert Led, MN, US Operating Funds 2022
Soloman Schecter School $6,000 New York, NY, US Operating Funds 2022
St Jude Childrens Hospital $1,000 New York, NY, US Operating Funds 2022
Trustees University Of Pa $2,000 Philadelphia, PA, US Operating Funds 2022
Alzheimers Association $2,000 Washington, DC, US Operating Funds 2022
Boca Raton Regional Hospital Foundation $1,000 Boca Raton, FL, US Operating Funds 2022
Hillel Of Broward And Palm Beach $500 Boca Raton, FL, US Operating Funds 2022
Hss $1,000 New York, NY, US Operating Funds 2022
Memorial Sloan Kettering $500 Hagerstown, MD, US Operating Funds 2022
Parkinsons Foundation $2,000 Albert Lee, MN, US Operating Funds 2022
Prostate Cancer Foundation $2,000 Albert Led, MN, US Operating Funds 2022
Soloman Schecter School $6,000 New York, NY, US Operating Funds 2022
St Jude Childrens Hospital $1,000 New York, NY, US Operating Funds 2022
Trustees University Of Pa $2,000 Philadelphia, PA, US Operating Funds 2022
92 Street Y $250 New York, NY, US Operating Funds 2021
Alzheimers Association $2,000 Washington, DC, US Operating Funds 2021
American Friends Of Magen David $500 Washington, DC, US Operating Funds 2021
Boca Raton Regional Hospital Foundation $1,000 Boca Raton, FL, US Operating Funds 2021
Fidp $1,000 Boyton Beach, FL, US Operating Funds 2021
Hillel Of Broward And Palm Beach $500 Boca Raton, FL, US Operating Funds 2021
Holocaust Memorial Museum $1,000 Merrifield, VA, US Operating Funds 2021
Memorial Sloan Kettering $2,000 Hagerstown, MD, US Operating Funds 2021
Prostate Cancer Foundation $500 Albert Led, MN, US Operating Funds 2021
Raymond F Kraus Center $250 W Palm Beach, FL, US Operating Funds 2021
St Jude Childrens Hospital $1,000 New York, NY, US Operating Funds 2021
Trustees University Of Pa $2,000 Philadelphia, PA, US Operating Funds 2021
Parkinsons Foundation $500 Albert Lee, MN, US Operating Funds 2021
Metropolitan Opera $500 New York, NY, US Operating Funds 2021
92 Street Y $250 New York, NY, US Operating Funds 2020
Alzheimers Association $500 Washington, DC, US Operating Funds 2020
American Friends Of Magen David $250 Washington, DC, US Operating Funds 2020
Hss $1,000 New York, NY, US Operating Funds 2020
Memorial Sloan Kettering $1,000 Hagerstown, MD, US Operating Funds 2020
Raymond F Kraus Center $250 W Palm Beach, FL, US Operating Funds 2020
Soloman Schecter School $6,000 New York, NY, US Operating Funds 2020
St Jude Childrens Hospital $1,000 New York, NY, US Operating Funds 2020
Sutton Place Synagogue $3,364 New York, NY, US Operating Funds 2020
Trustees University Of Pa $2,000 Philadelphia, PA, US Operating Funds 2020
Jewish National Fund $500 New York, NY, US Operating Funds 2020
Holocaust Memorial Museum $1,000 Merrifield, VA, US Operating Funds 2020
Hillel Of Broward And Palm Beach $500 Boca Raton, FL, US Operating Funds 2020
Prostate Cancer Foundation $250 Albert Led, MN, US Operating Funds 2020
Boca Raton Regional Hospital Foundation $1,000 Boca Raton, FL, US Operating Funds 2020
The Pap Corps $100 Boca Raton, FL, US Operating Funds 2020
Chabad Lubavich $100 Litchfield, CT, US Operating Funds 2018
Fau Foundation $250 Boca Raton, FL, US Operating Funds 2018
Memorial Sloan Kettering $500 Hagerstown, MD, US Operating Funds 2018
Soloman Schecter School $5,400 New York, NY, US Operating Funds 2018
St Jude Childrens Hospital $500 New York, NY, US Operating Funds 2018
Sutton Place Synagogue $2,250 New York, NY, US Operating Funds 2018
Trustees University Of Pa $1,000 Philadelphia, PA, US Operating Funds 2018
Us Holocaust Memorial $1,000 Washington, DC, US Operating Funds 2018
Alzheimers Association $450 Washington, DC, US Operating Funds 2018
92y $200 New York, NY, US Operating Funds 2018
Hss $1,000 New York, NY, US Operating Funds 2018
Raymond F Kraus Center $250 W Palm Beach, FL, US Operating Funds 2018
Florida Society For Middle East Studies $250 Boynton Beach, FL, US Operating Funds 2017
Gift Of Life $500 Boca Raton, FL, US Operating Funds 2017
Memorial Sloan Kettering $600 Hagerstown, MD, US Operating Funds 2017
Rf Kravitz Center $250 West Palm Beach, FL, US Operating Funds 2017
Soloman Schecter School $6,000 New York, NY, US Operating Funds 2017
Sutton Place Synagogue $2,000 New York, NY, US Operating Funds 2017
Trustees University Of Pa $1,000 Philadelphia, PA, US Operating Funds 2017
Disabled American Veterans $100 Cincinnati, OH, US Operating Funds 2017
Americares $500 Hagerstown, MD, US Operating Funds 2017
Wounded Warrior Project $250 Topeka, KS, US Operating Funds 2017
Pef Israel Endowment $5,000 New York, NY, US Operating Funds 2017
Memorial Sloan Kettering $500 Hagerstown, MD, US Operating Funds 2016
Rf Kravitz Center $250 West Palm Beach, FL, US Operating Funds 2016
Soloman Schecter School $11,000 New York, NY, US Operating Funds 2016
St Jude Childrens Hospital $500 New York, NY, US Operating Funds 2016
Us Holocaust Memorial $500 Washington, DC, US Operating Funds 2016
University Of Pennsyivania $1,000 Philadelphia, PA, US Operating Funds 2016
Florida Society For Middle East Studies $250 Boynton Beach, FL, US Operating Funds 2016
Fau Foundation $100 Boca Raton, FL, US Operating Funds 2016

Foundations Similar to Leonard Mayer Foundation

Discover 5 foundations with comparable assets ($280,116-$282,535), similar grant patterns, and geographic focus in FL 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: 56-6061641 | 117 grants awarded
$281,696
(≈ Similar)
$500
median grant
Sarasota, FL
Same state
100%
Excellent match

EIN: 47-2095276 | 173 grants awarded
$282,029
(≈ Similar)
$1,485
median grant
Stuart, FL
Same state
100%
Excellent match

EIN: 59-6724866 | 51 grants awarded
$282,535
(≈ Similar)
$2,000
median grant
Rockledge, FL
Same state
100%
Excellent match

EIN: 54-6174046 | 60 grants awarded
$280,333
(≈ Similar)
$599.5
median grant
Orlando, FL
Same state
100%
Excellent match

EIN: 59-2082553 | 15 grants awarded
$280,116
(≈ Similar)
$1,745
median grant
Sea Ranch Lakes, FL
Same state
100%
Excellent match

Contact Information

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

EIN 23-7042005
Website N/A
Address 2481 NORTH WEST 59TH STREET 902 Boca Raton, FL 33496-0000

Key People (2)

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

President Leonard Mayer
Vice President Harriet Mayer

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 Leonard Mayer 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.