The Middendorf Family Foundation | Foundation Profile

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

EIN: 23-3069847

Foundation Overview

Based in New York, NY, The Middendorf Family Foundation has awarded 103 grants totaling $5,105,000 to organizations in Florida, Ohio and 6 other states across the US. Individual grants range from $5,000 to $370,000, with a median award of $25,000.

Latest Tax Year
2023
Total Giving (all years)
$5,105,000
Total Assets
$18,937,125
Median Grant (all grants)
$25,000

Latest Form 990-PF Snapshot

Total Grants
12
Median Grant
$50,000
% Median Grant Growth
+100% (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: 42%

5 of 12 recipients (42%) were new grantees. Foundation maintains loyal partnerships while remaining open to qualified new applicants with strong proposals.

Geographic Focus
Florida

61% of grants are awarded in Florida, with additional funding distributed across 7 other locations. The foundation balances regional focus with broader geographic diversity. Within Florida, funding concentrates in Sanibel (67%), Fort Meyers (17%), Tampa (10%).

Funding Trajectory
+92%

Strong 92% 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 + 2 others

Diversified giving across multiple program areas with primary emphasis on general purposes (60%). 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 The Middendorf 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
Sanibel Community Association $50,000 Sanibel, FL, US General Charitable Purposes 2023
Fish Of Sanibel $100,000 Sanibel, FL, US General Charitable Purposes 2023
Clinic For Rehab Of Wildlife $50,000 Sanibel, FL, US General Charitable Purposes 2023
Sanibel Captiva Conservation Foundation $50,000 Sanibel, FL, US General Charitable Purposes 2023
United Way Worldwide $25,000 Alexandria, VA, US General Operating 2023
Fish Of Sanibel-captiva Inc $50,000 Sanibel, FL, US General Charitable Purposes 2023
Katies House Incorporated $100,000 Newton, NJ, US General Charitable Purposes 2023
Missionary Society Salesian Sisters $180,000 North Haledon, NJ, US General Charitable Purposes 2023
University Of Cincinnati Foundation $25,000 Cincinnati, OH, US General Charitable Purposes 2023
Mayo Clinic $10,000 Rochester, MN, US General Charitable Purposes 2023
Our Lady Of The Mississippi Abbey $100,000 Dubuque, IA, US General Charitable Purposes 2023
Ding Darling Wildlife Society $85,000 Sanibel, FL, US General Charitable Purposes 2023
Our Lady Of Mississippi Valley $75,000 Fort Meyers, FL, US General Charitable Purposes 2022
University Of Cincinatti Athletics $25,000 Cincinatti, OH, US General Charitable Purposes 2022
Ding Darling Wildlife Society $25,000 Sanibel, FL, US General Charitable Purposes 2022
Sanibel Community Association $35,000 Sanibel, FL, US General Charitable Purposes 2022
Missionary Society Salesian Sisters $210,000 Tampa, FL, US General Charitable Purposes 2022
Fish Of Sanibel $50,000 Sanibel, FL, US General Charitable Purposes 2022
Clinic For Rehab Of Wildlife $25,000 Sanibel, FL, US General Charitable Purposes 2022
Sanibel Captiva Conservation Foundation $25,000 Sanibel, FL, US General Charitable Purposes 2022
Charlotte Latin School $15,000 Charlotte, NC, US General Charitable Purposes 2022
Mayo Clinic $10,000 Rochester, MN, US General Charitable Purposes 2022
Katie's House Inc $25,000 Newton, NY, US General Charitable Purposes 2022
United Way Of Lee County $25,000 Fort Meyers, FL, US General Charitable Purposes 2022
Sanibel Sea School $25,000 Sanibel, FL, US General Operating 2022
Our Lady Of Mississippi Valley $75,000 Fort Meyers, FL, US General Charitable Purposes 2022
University Of Cincinatti Athletics $25,000 Cincinatti, OH, US General Charitable Purposes 2022
Ding Darling Wildlife Society $25,000 Sanibel, FL, US General Charitable Purposes 2022
Sanibel Community Association $35,000 Sanibel, FL, US General Charitable Purposes 2022
Missionary Society Salesian Sisters $210,000 Tampa, FL, US General Charitable Purposes 2022
Fish Of Sanibel $50,000 Sanibel, FL, US General Charitable Purposes 2022
Clinic For Rehab Of Wildlife $25,000 Sanibel, FL, US General Charitable Purposes 2022
Sanibel Captiva Conservation Foundation $25,000 Sanibel, FL, US General Charitable Purposes 2022
Charlotte Latin School $15,000 Charlotte, NC, US General Charitable Purposes 2022
Mayo Clinic $10,000 Rochester, MN, US General Charitable Purposes 2022
Katie's House Inc $25,000 Newton, NY, US General Charitable Purposes 2022
United Way Of Lee County $25,000 Fort Meyers, FL, US General Charitable Purposes 2022
Sanibel Sea School $25,000 Sanibel, FL, US General Operating 2022
Our Lady Of Mississippi Valley $75,000 Fort Meyers, FL, US General Charitable Purposes 2022
University Of Cincinatti Athletics $25,000 Cincinatti, OH, US General Charitable Purposes 2022
Ding Darling Wildlife Society $25,000 Sanibel, FL, US General Charitable Purposes 2022
Sanibel Community Association $35,000 Sanibel, FL, US General Charitable Purposes 2022
Missionary Society Salesian Sisters $210,000 Tampa, FL, US General Charitable Purposes 2022
Fish Of Sanibel $50,000 Sanibel, FL, US General Charitable Purposes 2022
Clinic For Rehab Of Wildlife $25,000 Sanibel, FL, US General Charitable Purposes 2022
Sanibel Captiva Conservation Foundation $25,000 Sanibel, FL, US General Charitable Purposes 2022
Charlotte Latin School $15,000 Charlotte, NC, US General Charitable Purposes 2022
Mayo Clinic $10,000 Rochester, MN, US General Charitable Purposes 2022
Katie's House Inc $25,000 Newton, NY, US General Charitable Purposes 2022
United Way Of Lee County $25,000 Fort Meyers, FL, US General Charitable Purposes 2022
Sanibel Sea School $25,000 Sanibel, FL, US General Operating 2022
Our Lady Of Mississippi Valley $100,000 Fort Meyers, FL, US General Charitable Purposes 2021
University Of Cincinatti Athletics $25,000 Cincinatti, OH, US General Charitable Purposes 2021
Ding Darling Wildlife Society $25,000 Sanibel, FL, US General Charitable Purposes 2021
Sanibel Community Association $100,000 Sanibel, FL, US General Charitable Purposes 2021
Missionary Society Salesian Sisters $370,000 Tampa, FL, US General Charitable Purposes 2021
Fish Of Sanibel $50,000 Sanibel, FL, US General Charitable Purposes 2021
Clinic For Rehab Of Wildlife $25,000 Sanibel, FL, US General Charitable Purposes 2021
Sanibel Captiva Conservation Foundation $35,000 Sanibel, FL, US General Charitable Purposes 2021
Charlotte Latin School $15,000 Charlotte, NC, US General Charitable Purposes 2021
Mayo Clinic $15,000 Rochester, MN, US General Charitable Purposes 2021
Katie's House Inc $25,000 Newton, NY, US General Charitable Purposes 2021
United Way Of Lee County $25,000 Fort Meyers, FL, US General Charitable Purposes 2021
Our Lady Of Mississippi Valley $225,000 Fort Meyers, FL, US General Charitable Purposes 2020
University Of Cincinatti Athletics $25,000 Cincinatti, OH, US General Charitable Purposes 2020
Ding Darling Wildlife Society $25,000 Sanibel, FL, US General Charitable Purposes 2020
Sanibel Community Association $25,000 Sanibel, FL, US General Charitable Purposes 2020
Missionary Society Salesian Sisters $270,000 Tampa, FL, US General Charitable Purposes 2020
Fish Of Sanibel $50,000 Sanibel, FL, US General Charitable Purposes 2020
Clinic For Rehab Of Wildlife $25,000 Sanibel, FL, US General Charitable Purposes 2020
Sanibel Captiva Conservation Foundation $35,000 Sanibel, FL, US General Charitable Purposes 2020
Charlotte Latin School $15,000 Charlotte, NC, US General Charitable Purposes 2020
Mayo Clinic $15,000 Rochester, MN, US General Charitable Purposes 2020
Katie's House Inc $25,000 Newton, NY, US General Charitable Purposes 2020
United Way Of Lee County $25,000 Fort Meyers, FL, US General Charitable Purposes 2020
United Way Of Lee County $25,000 Fort Meyers, FL, US Unrestricted General 2018
Our Lady Of The $225,000 Dubuque, IA, US Unrestricted General 2018
Bishop Verot High School $5,000 Fort Myers, FL, US Unrestricted General 2018
Sanibel-captiva $20,000 Sanibel, FL, US Unrestricted General 2018
Katie's House Inc $20,000 Newton, NY, US Unrestricted General 2018
Missionary Society $110,000 North Haledon, NJ, US Unrestricted General 2018
Mayo Clinic $10,000 Rochester, MN, US Unrestricted General 2018
Missionary Society $35,000 Tampa, FL, US Youth Center At Villa 2018
Clinic For Rehab Of $20,000 Sanibel, FL, US Unrestricted General 2018
Fish Of Sanibel $30,000 Sanibel, FL, US Unrestricted General 2018
Charlotte Latin $10,000 Charlotte, NC, US Unrestricted General 2018
''ding'' Darling Wildlife $20,000 Sanibel, FL, US Undistributed General 2018
Sanibel Community Assoc $20,000 Sanibel, FL, US Unrestricted General 2018
Sanibel Sea School $20,000 Sanibel, FL, US Unrestricted General 2018
Our Lady Of The $75,000 Dubuque, IA, US Unrestricted General 2016
Bishop Verot High School $10,000 Fort Myers, FL, US Unrestricted General 2016
Sanibel-captiva $15,000 Sanibel, FL, US Unrestricted General 2016
Katie's House Inc $15,000 Newton, NY, US Unrestricted General 2016
Roger Bacon High $10,000 Cincinnati, OH, US Unrestricted General 2016
Missionary Society $50,000 North Haledon, NJ, US Support Summer Camp 2016
Mayo Clinic $25,000 Rochester, MN, US Unrestricted General 2016
Missionary Society $50,000 North Haledon, NJ, US Children In Need 2016
Mary Help Of Christians $60,000 North Haledon, NJ, US Scholarship For 6 Students 2016
Fish Of Sanibel $35,000 Sanibel, FL, US Unrestricted General 2016
Lee Memorial Health $25,000 Fort Myers, FL, US Unrestricted General 2016
Charlotte Latin $10,000 Charlotte, NC, US Unrestricted General 2016
University Of Cincinnati $25,000 Cincinnati, OH, US Unrestricted General 2016
United Way Of Lee County $25,000 Fort Myers, FL, US Unrestricted General 2016

Foundations Similar to The Middendorf Family Foundation

Discover 5 foundations with comparable assets ($18,748,769-$19,281,828), 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: 35-7159067 | 62 grants awarded
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median grant
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EIN: 11-3426508 | 191 grants awarded
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EIN: 13-3585393 | 252 grants awarded
$19,193,237
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EIN: 16-0907729 | 177 grants awarded
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Contact Information

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

EIN 23-3069847
Website N/A
Address PO BOX 1297 New York, NY 10008-1297

Key People (3)

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

Current Trustee Deutsche Trust Bank Cimpany N A
Co-trustee Frank J Middendorf
Co-trustee Patricia A Middendorf

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 Middendorf 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.