The Middendorf Family Foundation
The Middendorf Family Foundation is a private foundation based in New York, New York. Its 2025 filing reports grants to charitable organizations, including organizations in Florida, New York, Ohio, and Minnesota.
The Middendorf Family Foundation at a glance
In short: The Middendorf Family Foundation gave $1.3M across 12 grants in 2025 (avg $106K), mostly in Florida. 8% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $1,270,000
- +30.3% vs 2024
- Grants made (2025)
- 12
- -7.7% vs 2024
- Average grant
- $105,833
- +41.1% vs 2024
- Median grant
- $87,500
- Total assets
- $6,233,935
- -8.8% vs 2024
- New grantees (estimate)
- 8% first-time grantees (1 of 12, 2025; small sample)
- Primary geography
- Florida (83% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to The Middendorf Family Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests.
- Contact
Mailing address: PO Box 1297 Church St Station, New York, NY 10008
Phone: (212) 250-2500
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Middendorf Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Missionary Society Salesian Sisters ($325K). Together the top 10 received $1.2M.
Grant Size Distribution
62 grants across all recorded years
The most common grant size was under $50K: 27 grants of 62 (44%).
Geographic Focus
Where this funder awards grants
In filing year 2025, grant dollars went to recipients in Florida (83%), New York (10%), Ohio (6%), and Minnesota (2%).
Grant Distribution by State
Share of 2025 grant dollars across all 12 itemized grants.
Cities
Is The Middendorf Family Foundation open to new grantees?
8%
first-time grantees, 2025
In 2025, 1 of 12 grantees (8%) were first-time recipients. With only 12 grantees, that is a small sample: one grantee more or less moves the share by about 8 points. First grants averaged $100K; repeat grants $106K. How we count
Medians: $100K first-time, $75K repeat.
- 92% of 2025 grantees were also funded in 2024. Method
- Giving grew 123% from 2022 to 2025. Method
- In 2025 it paid out 136% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $570K (2022) to $1.3M (2025). In 2025 it made 12 grants totaling $1.3M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Missionary Society Salesian Sisters Tampa, FL | General Charitable Purposes | $325,000 |
| Our Lady of Mississippi Valley Fort Meyers, FL | General Charitable Purposes | $150,000 |
| Fish of Sanibel Sanibel, FL | General Charitable Purposes | $125,000 |
| Sanibel Captiva Conservation Foundation Sanibel, FL | General Charitable Purposes | $125,000 |
| Katie's House Inc Newton, NY | General Charitable Purposes | $125,000 |
| Community Housing and Resources Inc Sanibel, FL | General Operating | $100,000 |
| University of Cincinatti Athletics Cincinatti, OH | General Charitable Purposes | $75,000 |
| Ding Darling Wildlife Society Sanibel, FL | General Charitable Purposes | $75,000 |
| Sanibel Community Association Sanibel, FL | General Charitable Purposes | $75,000 |
| United Way of Lee County Fort Meyers, FL | General Charitable Purposes | $50,000 |
Ready to take the next step with The Middendorf Family Foundation?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $6,233,935 | $1,151,815 | $1,407,700 | $1,270,000 | 12 | $1,320,326 | $715,848 | $972,927 |
| 2024 | $6,838,917 | $1,039,524 | $1,133,127 | $975,000 | 13 | $1,026,425 | $949,816 | $943,550 |
| 2023 | $6,980,428 | $1,659,955 | $950,756 | $825,000 | 12 | $871,471 | $1,229,539 | $845,417 |
| 2022 | $6,545,041 | $699,578 | $694,901 | $570,000 | 13 | $615,826 | $221,225 | $867,128 |
| 2021 | $6,970,672 | $91,574 | $934,415 | $810,000 | 12 | $855,826 | $193,614 | $885,935 |
| 2020 | $8,191,014 | $580,340 | $910,345 | $760,000 | 12 | — | $521,746 | $718,989 |
Under IRS private-foundation payout rules, The Middendorf Family Foundation reported a distributable amount of $973K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2025 grants went to organizations with varied activities. For example, Community Housing and Resources Inc. describes its mission as providing affordable housing to people who work on or serve Sanibel. Sanibel Community Association describes itself as a civic, educational, art, culinary, and cultural organization. Ding Darling Wildlife Society says it provides financial support to the J.N. “Ding” Darling National Wildlife Refuge. Mayo Clinic describes its mission as contributing to health and well-being through patient care, education, and research.
Grantmaking
In filing year 2025, the foundation gave $1,270,000 through 12 grants. Grant amounts ranged from $20,000 to $325,000, with a median of $87,500. Among the recipients were Missionary Society Salesian Sisters ($325,000), Our Lady of Mississippi Valley ($150,000), Fish of Sanibel ($125,000), Sanibel Captiva Conservation Foundation ($125,000), Katie’s House Inc. ($125,000), and Community Housing and Resources Inc. ($100,000). Other recipients included University of Cincinnati Athletics ($75,000), Ding Darling Wildlife Society ($75,000), Sanibel Community Association ($75,000), United Way of Lee County ($50,000), Clinic for Rehab of Wildlife ($25,000), and Mayo Clinic ($20,000).
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Patricia A. Middendorf as co-trustee and Deutsche Bank Trust Company N.A. as trustee.
The Middendorf Family Foundation's 2025 filing lists 2 officers; 1 of 2 officers listed in 2025 is compensated.
Officers on the 2025 filing
Deutsche Bank Trust Company N A
Trustee
New on the 2025 filing
1 hr/week
$124K (2025)
Patricia A. Middendorf
Co-Trustee
On filings since 2020
1 hr/week
No compensation reported
Former officers (3)
- Former: Frank J. Middendorf (2020–2024) — Co-Trustee
- Former: Deutsche Trust Company NA (2024) — Trustee
- Former: Deutsche Trust Bank Cimpany N A (2020–2023) — Current Trustee
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $124K, to Deutsche Bank Trust Company N a (Trustee).
Frequently asked questions about The Middendorf Family Foundation
How much does The Middendorf Family Foundation give each year?
The Middendorf Family Foundation gave $1.3M across 12 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $975K across 13 grants.
What is The Middendorf Family Foundation's typical grant size?
The Middendorf Family Foundation's median grant in 2025 was $87,500, and its average grant was $105,833, across 12 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Middendorf Family Foundation that year got $100K on average.
Where does The Middendorf Family Foundation give grants?
The Middendorf Family Foundation gives mostly in Florida: 83% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were New York (10%) and Ohio (6%). The most frequent recipient cities were Sanibel, FL (6 grants) and Fort Meyers, FL (2 grants).
Does The Middendorf Family Foundation give general operating support?
Yes: 100% of The Middendorf Family Foundation's 2025 grants with a stated purpose (12 of 12) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are The Middendorf Family Foundation's largest grantees?
The Middendorf Family Foundation's largest 2025 grantees include Missionary Society Salesian Sisters ($325,000), Our Lady of Mississippi Valley ($150,000) and Fish of Sanibel ($125,000), according to its 2025 IRS Form 990-PF. Together they received 47% of its itemized 2025 grant dollars.
How large is The Middendorf Family Foundation?
The Middendorf Family Foundation reported $6.2M in total assets on its 2025 IRS Form 990-PF. It paid out $1.3M in qualifying distributions that year, against a required minimum of $973K (roughly 5% of its investment assets).
What does The Middendorf Family Foundation fund?
No mission statement for the foundation is provided. Its 2025 grants went to organizations with varied activities. For example, Community Housing and Resources Inc. describes its mission as providing affordable housing to people who work on or serve Sanibel. See mission & focus areas ↑
How do I apply for a grant from The Middendorf Family Foundation?
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is The Middendorf Family Foundation's EIN?
The Middendorf Family Foundation's EIN (Employer Identification Number) is 23-3069847. IRS Form 990 filing data is available on this page for 2020–2025.
Does The Middendorf Family Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS November 8, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 10, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 4, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS November 11, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 12, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 11, 2026)
Live grants for the work The Middendorf Family Foundation funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
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Browse active grant opportunities in The Middendorf Family Foundation's focus areas in our free grants database
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Cite this profile
Grantable. (2026). The Middendorf Family Foundation funder profile. GrantGraph. Retrieved October 24, 2026, from https://grantable.co/funders/the-middendorf-family-foundation-morg_732709d7229e4d7085a65bbb79a05043
BibTeX
@misc{grantable_233069847_2026,
author = {{Grantable}},
title = {{The Middendorf Family Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-middendorf-family-foundation-morg_732709d7229e4d7085a65bbb79a05043},
note = {Accessed 2026-10-24. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from The Middendorf Family Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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