Irwin Weiner Charitable Foundation Inc | Foundation Profile

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

EIN: 04-3595876

Foundation Overview

Based in White Plains, NY, Irwin Weiner Charitable Foundation Inc has awarded 167 grants totaling $464,650 to organizations in Massachusetts, New York and 3 other states across the US. Individual grants range from $1,000 to $15,000, with a median award of $1,150.

Latest Tax Year
2024
Total Giving (all years)
$464,650
Total Assets
$422,211
Median Grant (all grants)
$1,150

Latest Form 990-PF Snapshot

Total Grants
15
Median Grant
$2,000
% Median Grant Growth
+14% (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: 7%

1 of 15 recipients (7%) were new grantees. Foundation maintains tight relationships with established partners. New applicants rarely succeed without insider connections.

Geographic Focus
New York

80% of all grants are concentrated in New York, demonstrating highly focused geographic giving. This foundation prioritizes deep community impact in its primary service area. Within New York, funding concentrates in New York (27%), Valhalla (10%), Clinton (10%).

Funding Trajectory
+19%

Stable funding levels with 19% change over 8 years indicate consistent grant-making capacity and predictable philanthropic resources. This stability suggests reliable ongoing funding opportunities.

Program Areas
General Purposes + Community Projects

Dual focus on general purposes (80%) and community projects, 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 Irwin Weiner Charitable Foundation Inc'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
American Friends Of Magen David $1,000 New York, NY, US General Support 2024
Bedford Free Library $3,000 Bedford, MA, US General Purpose 2024
Blythedale Children's Hospital $1,000 Valhalla, NY, US General Support 2024
Brooklyn Law School $2,000 Brooklyn, NY, US General Support 2024
Calvary Hospital $1,000 Bronx, NY, US General Support 2024
City Lax Inc $2,000 New York, NY, US General Support 2024
Columbia Men's Tennis $1,000 New York, NY, US General Support 2024
Friends Of The Israel Defense Forces $1,000 Saddle Brook, NJ, US General Support 2024
Hamilton College-men's Lacrosse Team $3,500 Clinton, NY, US General Support 2024
Holocaust And Human Rights Education Ctr $15,000 Purchase, NY, US General Support 2024
Israel Lacrosse $2,000 New York, NY, US General Support 2024
Muhlenberg Women's Lacrosse $3,500 Allentown, PA, US General Support 2024
North East Westchester Special Recreation Inc $1,000 Hawthorne, NY, US General Support 2024
Syracuse University $1,500 Syracuse, NY, US General Support 2024
Veterans Community Project $3,000 Kansas City, MO, US General Support 2024
American Friends Of Magen David $1,000 New York, NY, US General Support 2023
Bedford Free Library $2,500 Bedford, MA, US General Purpose 2023
Blythedale Children's Hospital $1,000 Valhalla, NY, US General Support 2023
Brooklyn Law School $2,000 Brooklyn, NY, US General Support 2023
Calvary Hospital $1,000 Bronx, NY, US General Support 2023
City Lax Inc $3,500 New York, NY, US General Support 2023
Congregation B'nai Yisrael $1,500 Armonk, NY, US General Support 2023
Friends Of The Israel Defense Forces $1,000 Saddle Brook, NJ, US General Support 2023
Hamilton College-men's Lacrosse Team $3,000 Clinton, NY, US General Support 2023
Holocaust And Human Rights Education Ctr $15,000 Purchase, NY, US General Support 2023
Impact100 Westchester $1,150 Hartsdale, NY, US General Support 2023
Israel Lacrosse $2,000 New York, NY, US General Support 2023
Muhlenberg Women's Lacrosse $3,000 Allentown, PA, US General Support 2023
North East Westchester Special Recreation Inc $1,000 Hawthorne, NY, US General Support 2023
Syracuse University $1,000 Syracuse, NY, US General Support 2023
Veterans Community Project $3,000 Kansas City, MO, US General Support 2023
American Friends Of Magen David $1,000 New York, NY, US General Support 2023
Bedford Free Library $2,500 Bedford, MA, US General Purpose 2023
Blythedale Children's Hospital $1,000 Valhalla, NY, US General Support 2023
Brooklyn Law School $2,000 Brooklyn, NY, US General Support 2023
Calvary Hospital $1,000 Bronx, NY, US General Support 2023
City Lax Inc $3,500 New York, NY, US General Support 2023
Congregation B'nai Yisrael $1,500 Armonk, NY, US General Support 2023
Friends Of The Israel Defense Forces $1,000 Saddle Brook, NJ, US General Support 2023
Hamilton College-men's Lacrosse Team $3,000 Clinton, NY, US General Support 2023
Holocaust And Human Rights Education Ctr $15,000 Purchase, NY, US General Support 2023
Impact100 Westchester $1,150 Hartsdale, NY, US General Support 2023
Israel Lacrosse $2,000 New York, NY, US General Support 2023
Muhlenberg Women's Lacrosse $3,000 Allentown, PA, US General Support 2023
North East Westchester Special Recreation Inc $1,000 Hawthorne, NY, US General Support 2023
Syracuse University $1,000 Syracuse, NY, US General Support 2023
Veterans Community Project $3,000 Kansas City, MO, US General Support 2023
Bedford Free Library $2,500 Bedford, MA, US General Purpose 2022
Blythedale Children's Hospital $1,000 Valhalla, NY, US General Purpose 2022
Brooklyn Law School $3,000 Brooklyn, NY, US General Purpose 2022
Calvary Hospital $1,000 Bronx, NY, US General Purpose 2022
City Lax Inc $3,500 New York, NY, US General Purpose 2022
Congregation B'nai Yisrael $1,500 Armonk, NY, US General Purpose 2022
Hamilton College-men's Lacrosse Team $3,000 Clinton, NY, US Athletics 2022
Holocaust And Human Rights Education Ctr $15,000 Purchase, NY, US General Purpose 2022
Impact100 Westchester $1,150 Hartsdale, NY, US General Purpose 2022
Israel Lacrosse $1,000 New York, NY, US Athletics 2022
Muhlenberg Women's Lacrosse $3,000 Allentown, PA, US Athletics 2022
North East Westchester Special Recreation Inc $1,000 Hawthorne, NY, US General Purpose 2022
Syracuse University $5,000 Syracuse, NY, US General Purpose 2022
Veterans Community Project $3,000 Kansas City, MO, US General Purpose 2022
Bedford Free Library $2,500 Bedford, MA, US General Purpose 2022
Blythedale Children's Hospital $1,000 Valhalla, NY, US General Purpose 2022
Brooklyn Law School $3,000 Brooklyn, NY, US General Purpose 2022
Calvary Hospital $1,000 Bronx, NY, US General Purpose 2022
City Lax Inc $3,500 New York, NY, US General Purpose 2022
Congregation B'nai Yisrael $1,500 Armonk, NY, US General Purpose 2022
Hamilton College-men's Lacrosse Team $3,000 Clinton, NY, US Athletics 2022
Holocaust And Human Rights Education Ctr $15,000 Purchase, NY, US General Purpose 2022
Impact100 Westchester $1,150 Hartsdale, NY, US General Purpose 2022
Israel Lacrosse $1,000 New York, NY, US Athletics 2022
Muhlenberg Women's Lacrosse $3,000 Allentown, PA, US Athletics 2022
North East Westchester Special Recreation Inc $1,000 Hawthorne, NY, US General Purpose 2022
Syracuse University $5,000 Syracuse, NY, US General Purpose 2022
Veterans Community Project $3,000 Kansas City, MO, US General Purpose 2022
Bedford Free Library $2,500 Bedford, MA, US General Purpose 2022
Blythedale Children's Hospital $1,000 Valhalla, NY, US General Purpose 2022
Brooklyn Law School $3,000 Brooklyn, NY, US General Purpose 2022
Calvary Hospital $1,000 Bronx, NY, US General Purpose 2022
City Lax Inc $3,500 New York, NY, US General Purpose 2022
Congregation B'nai Yisrael $1,500 Armonk, NY, US General Purpose 2022
Hamilton College-men's Lacrosse Team $3,000 Clinton, NY, US Athletics 2022
Holocaust And Human Rights Education Ctr $15,000 Purchase, NY, US General Purpose 2022
Impact100 Westchester $1,150 Hartsdale, NY, US General Purpose 2022
Israel Lacrosse $1,000 New York, NY, US Athletics 2022
Muhlenberg Women's Lacrosse $3,000 Allentown, PA, US Athletics 2022
North East Westchester Special Recreation Inc $1,000 Hawthorne, NY, US General Purpose 2022
Syracuse University $5,000 Syracuse, NY, US General Purpose 2022
Veterans Community Project $3,000 Kansas City, MO, US General Purpose 2022
Bedford Free Library $2,500 Bedford, MA, US General Purpose 2021
Blythedale Children's Hospital $1,000 Valhalla, NY, US General Purpose 2021
Brooklyn Law School $5,000 Brooklyn, NY, US General Purpose 2021
Calvary Hospital $1,000 Bronx, NY, US General Purpose 2021
City Lax Inc $1,500 New York, NY, US General Purpose 2021
City Parks Foundation $1,000 New York, NY, US General Purpose 2021
Congregation B'nai Yisrael $1,500 Armonk, NY, US General Purpose 2021
Hamilton College-men's Lacrosse Team $3,000 Clinton, NY, US Athletics 2021
Holocaust And Human Rights Education Ctr $15,000 Purchase, NY, US General Purpose 2021
Impact100 Westchester $1,100 Hartsdale, NY, US General Purpose 2021
Israel Lacrosse $1,000 New York, NY, US Athletics 2021
Muhlenberg Women's Lacrosse $3,000 Allentown, PA, US Athletics 2021
North East Westchester Special Recreation Inc $1,000 Hawthorne, NY, US General Purpose 2021
Syracuse University $5,000 Syracuse, NY, US General Purpose 2021
Veterans Community Project $1,000 Kansas City, MO, US General Purpose 2021
Bedford Free Library $2,500 Bedford, MA, US General Purpose 2020
Bedford Historical Society $1,000 Bedford, NY, US General Purpose 2020
Blythedale Children's Hospital $1,000 Valhalla, NY, US General Purpose 2020
Brooklyn Law School $1,000 Brooklyn, NY, US General Purpose 2020
Calvary Hospital $1,000 Bronx, NY, US General Purpose 2020
City Lax Inc $1,000 New York, NY, US General Purpose 2020
City Parks Foundation $1,000 New York, NY, US General Purpose 2020
Community Funds Inc $1,000 New York, NY, US General Purpose 2020
Congregation B'nai Yisrael $3,000 Armonk, NY, US General Purpose 2020
Hamilton College-men's Lacrosse Team $2,000 Clinton, NY, US Athletics 2020
Holocaust And Human Rights Education Ctr $15,000 Purchase, NY, US General Purpose 2020
Impact100 Westchester $1,100 Hartsdale, NY, US General Purpose 2020
Israel Lacrosse $1,000 New York, NY, US Athletics 2020
Muhlenberg Women's Lacrosse $2,000 Allentown, PA, US Athletics 2020
North East Westchester Special Recreation Inc $1,000 Hawthorne, NY, US General Purpose 2020
Syracuse University $5,000 Syracuse, NY, US General Purpose 2020
Veterans Community Project $1,000 Kansas City, MO, US General Purpose 2020
Bedford Free Library $2,500 Bedford, MA, US General Purpose 2018
Bedford Historical Society $1,000 Bedford, NY, US General Purpose 2018
Blythedale Children's Hospital $1,000 Valhalla, NY, US General Purpose 2018
Brooklyn Law School $1,000 Brooklyn, NY, US General Purpose 2018
Calvary Hospital $1,000 Bronx, NY, US General Purpose 2018
City Lax Inc $1,000 New York, NY, US General Purpose 2018
City Parks Foundation $1,000 New York, NY, US General Purpose 2018
Columbia University - Lacrosse Club $1,000 New York, NY, US Athletics 2018
Community Funds Inc $1,000 New York, NY, US General Purpose 2018
Congregation B'nai Yisrael $7,500 Armonk, NY, US General Purpose 2018
Hamilton College-men's Lacrosse Team $1,000 Clinton, NY, US Athletics 2018
Holocaust And Human Rights Education Ctr $15,000 Purchase, NY, US General Purpose 2018
Impact100 Westchester $1,100 Hartsdale, NY, US General Purpose 2018
Israel Lacrosse $1,000 New York, NY, US Athletics 2018
Muhlenberg Women's Lacrosse $6,500 Allentown, PA, US Athletics 2018
North East Westchester Special Recreation Inc $1,000 Hawthorne, NY, US General Purpose 2018
Westchester Community College Foundation $1,000 Valhalla, NY, US General Purpose 2018
Bedford Free Library $2,500 Bedford, MA, US General Purpose 2017
Bedford Historical Society $1,000 Bedford, NY, US General Purpose 2017
Blythedale Children's Hospital $1,000 Valhalla, NY, US General Purpose 2017
Brooklyn Law School $1,000 Brooklyn, NY, US General Purpose 2017
Calvary Hospital $1,000 Bronx, NY, US General Purpose 2017
City Lax Inc $1,000 New York, NY, US General Purpose 2017
City Parks Foundation $1,000 New York, NY, US General Purpose 2017
Clinton Abc Program Inc $1,000 Clinton, NY, US General Purpose 2017
Hamilton College-men's Lacrosse Team $7,500 Clinton, NY, US Athletics 2017
Holocaust And Human Rights Education Ctr $15,000 Purchase, NY, US General Purpose 2017
Israel Lacrosse $1,500 New York, NY, US Athletics 2017
Impact100 Westchester $1,100 Hartsdale, NY, US General Purpose 2017
Muhlenberg Women's Lacrosse $2,500 Allentown, PA, US Athletics 2017
North East Westchester Special Recreation Inc $1,000 Hawthorne, NY, US General Purpose 2017
The Posse Foundation Inc $1,000 New York, NY, US General Purpose 2017
Westchester Community College Foundation $1,000 Valhalla, NY, US General Purpose 2017
Bedford Free Library $2,500 Bedford, MA, US General Purpose 2016
Blythedale Children's Hospital $1,000 Valhalla, NY, US General Purpose 2016
Brooklyn Law School $1,000 Brooklyn, NY, US General Purpose 2016
Calvary Hospital $1,000 Bronx, NY, US General Purpose 2016
City Law Inc $1,000 New York, NY, US General Purpose 2016
City Parks Foundation $1,000 New York, NY, US General Purpose 2016
Clinton Abc Program Inc $1,000 Clinton, NY, US General Purpose 2016
Hamilton College-men's Lacrosse Team $5,000 Clinton, NY, US Athletics 2016
Holocaust And Human Rights Education Ctr $15,000 Purchase, NY, US General Purpose 2016
Israel Lacrosse $1,500 New York, NY, US Athletics 2016
North East Westchester Special Recreation Inc $1,000 Hawthorne, NY, US General Purpose 2016
The Posse Foundation Inc $1,000 New York, NY, US General Purpose 2016
Muhlenberg Women's Lacrosse $3,000 Allentown, PA, US Athletics 2016

Foundations Similar to Irwin Weiner Charitable Foundation Inc

Discover 5 foundations with comparable assets ($421,976-$425,513), similar grant patterns, and geographic focus in NY 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: 23-6251768 | 156 grants awarded
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median grant
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Same state
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EIN: 11-3433997 | 48 grants awarded
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$2,250
median grant
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EIN: 11-6569823 | 54 grants awarded
$422,727
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$2,000
median grant
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Same state
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Excellent match

EIN: 13-3978579 | 13 grants awarded
$423,670
(≈ Similar)
$2,085
median grant
Katonah, NY
Same state
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EIN: 27-4126227 | 50 grants awarded
$425,513
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$2,000
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Contact Information

Official contact details for Irwin Weiner Charitable Foundation Inc as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 04-3595876
Website N/A
Address 1133 WESTCHESTER AVENUE N208 White Plains, NY 10604-3577

Key People (6)

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

Vice President Michael Markhoff
Secretary Nancy Allen Markhoff
Pres & Treas Harris Markhoff
Director Adam Markoff
Director Abigail Markhoff

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 Irwin Weiner Charitable Foundation Inc 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.