Grants paid by The Middendorf Family Foundation
EIN 23-3069847 · New York, NY · Form 990-PF, Part XV · NTEE T21
The Middendorf Family Foundation of New York, NY (EIN 23-3069847) reported 76 grants paid totaling $4,970,000 to 20 recipients in tax years 2018–2025, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$4,970,000
76 grants
Recipients
20
distinct organizations
Tax years
2018–2025
6 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2018 | 14 | $570,000 | — |
| 2020 | 12 | $760,000 | — |
| 2022 | 13 | $570,000 | — |
| 2023 | 12 | $825,000 | — |
| 2024 | 13 | $975,000 | — |
| 2025 | 12 | $1,270,000 | — |
Top recipients
The 20 recipients receiving the most from The Middendorf Family Foundation, by grants paid, out of 20 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Missionary Society Salesian Sisters | U | Tampa, FL | 5 | $1,120,000 | 2025 |
| Our Lady of Mississippi Valley | U | Fort Meyers, FL | 4 | $600,000 | 2025 |
| Fish of Sanibel 20-8892375 | D | Sanibel, FL | 7 | $555,000 | 2025 |
| Our Lady of the Mississippi Abbey 42-0878319 | D | Dubuque, IA | 2 | $325,000 | 2023 |
| Sanibel Captiva Conservation Foundation 59-1205087 | B | Sanibel, FL | 6 | $305,000 | 2025 |
| Missionary Society Salesian Sisters | U | North Haledon, NJ | 2 | $290,000 | 2023 |
| Ding Darling Wildlife Society 59-2240895 | B | Sanibel, FL | 6 | $280,000 | 2025 |
| Katie's House Inc | U | Newton, NY | 5 | $270,000 | 2025 |
| Sanibel Community Association 59-1060466 | B | Sanibel, FL | 6 | $255,000 | 2025 |
| Clinic for Rehab of Wildlife | U | Sanibel, FL | 6 | $195,000 | 2025 |
| University of Cincinatti Athletics | U | Cincinatti, OH | 4 | $175,000 | 2025 |
| United Way of Lee County 59-1005169 | B | Fort Meyers, FL | 5 | $150,000 | 2025 |
| Katies House Incorporated 22-3789299 | B | Newton, NJ | 1 | $100,000 | 2023 |
| Community Housing and Resources Inc 59-2037788 | B | Sanibel, FL | 1 | $100,000 | 2025 |
| Mayo Clinic | U | Rochester, MN | 6 | $75,000 | 2025 |
| Sanibel Sea School | U | Sanibel, FL | 3 | $70,000 | 2024 |
| Charlotte Latin School 56-0944449 | C | Charlotte, NC | 4 | $50,000 | 2024 |
| United Way Worldwide 13-1635294 | B | Alexandria, VA | 1 | $25,000 | 2023 |
| University of Cincinnati Foundation 31-0896555 | B | Cincinnati, OH | 1 | $25,000 | 2023 |
| Bishop Verot High School 59-0995499 | D | Fort Myers, FL | 1 | $5,000 | 2018 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Every grant
All 76 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | Missionary Society Salesian Sisters Tampa, FL | U | $325,000 | paid | GENERAL CHARITABLE PURPOSES | 202621319349104482 |
| 2025 | Our Lady of Mississippi Valley Fort Meyers, FL | U | $150,000 | paid | GENERAL CHARITABLE PURPOSES | 202621319349104482 |
| 2025 | Katie's House Inc Newton, NY | U | $125,000 | paid | GENERAL CHARITABLE PURPOSES | 202621319349104482 |
| 2025 | Sanibel Captiva Conservation Foundation Sanibel, FL | B | $125,000 | paid | GENERAL CHARITABLE PURPOSES | 202621319349104482 |
| 2025 | Fish of Sanibel Sanibel, FL | D | $125,000 | paid | GENERAL CHARITABLE PURPOSES | 202621319349104482 |
| 2025 | Community Housing and Resources Inc Sanibel, FL | B | $100,000 | paid | GENERAL OPERATING | 202621319349104482 |
| 2025 | Sanibel Community Association Sanibel, FL | B | $75,000 | paid | GENERAL CHARITABLE PURPOSES | 202621319349104482 |
| 2025 | Ding Darling Wildlife Society Sanibel, FL | B | $75,000 | paid | GENERAL CHARITABLE PURPOSES | 202621319349104482 |
| 2025 | University of Cincinatti Athletics Cincinatti, OH | U | $75,000 | paid | GENERAL CHARITABLE PURPOSES | 202621319349104482 |
| 2025 | United Way of Lee County Fort Meyers, FL | B | $50,000 | paid | GENERAL CHARITABLE PURPOSES | 202621319349104482 |
| 2025 | Clinic for Rehab of Wildlife Sanibel, FL | U | $25,000 | paid | GENERAL CHARITABLE PURPOSES | 202621319349104482 |
| 2025 | Mayo Clinic Rochester, MN | U | $20,000 | paid | GENERAL CHARITABLE PURPOSES | 202621319349104482 |
| 2024 | Missionary Society Salesian Sisters Tampa, FL | U | $280,000 | paid | GENERAL CHARITABLE PURPOSES | 202541329349100854 |
| 2024 | Fish of Sanibel Sanibel, FL | D | $150,000 | paid | GENERAL CHARITABLE PURPOSES | 202541329349100854 |
| 2024 | Our Lady of Mississippi Valley Fort Meyers, FL | U | $150,000 | paid | GENERAL CHARITABLE PURPOSES | 202541329349100854 |
| 2024 | Katie's House Inc Newton, NY | U | $75,000 | paid | GENERAL CHARITABLE PURPOSES | 202541329349100854 |
| 2024 | Sanibel Captiva Conservation Foundation Sanibel, FL | B | $50,000 | paid | GENERAL CHARITABLE PURPOSES | 202541329349100854 |
| 2024 | Clinic for Rehab of Wildlife Sanibel, FL | U | $50,000 | paid | GENERAL CHARITABLE PURPOSES | 202541329349100854 |
| 2024 | Ding Darling Wildlife Society Sanibel, FL | B | $50,000 | paid | GENERAL CHARITABLE PURPOSES | 202541329349100854 |
| 2024 | University of Cincinatti Athletics Cincinatti, OH | U | $50,000 | paid | GENERAL CHARITABLE PURPOSES | 202541329349100854 |
| 2024 | Sanibel Community Association Sanibel, FL | B | $50,000 | paid | GENERAL CHARITABLE PURPOSES | 202541329349100854 |
| 2024 | United Way of Lee County Fort Meyers, FL | B | $25,000 | paid | GENERAL CHARITABLE PURPOSES | 202541329349100854 |
| 2024 | Sanibel Sea School Sanibel, FL | U | $25,000 | paid | GENERAL OPERATING | 202541329349100854 |
| 2024 | Charlotte Latin School Charlotte, NC | C | $10,000 | paid | GENERAL CHARITABLE PURPOSES | 202541329349100854 |
| 2024 | Mayo Clinic Rochester, MN | U | $10,000 | paid | GENERAL CHARITABLE PURPOSES | 202541329349100854 |
| 2023 | Missionary Society Salesian Sisters North Haledon, NJ | U | $180,000 | paid | GENERAL CHARITABLE PURPOSES | 202443169349102169 |
| 2023 | Fish of Sanibel Sanibel, FL | D | $100,000 | paid | GENERAL CHARITABLE PURPOSES | 202443169349102169 |
| 2023 | Katies House Incorporated Newton, NJ | B | $100,000 | paid | GENERAL CHARITABLE PURPOSES | 202443169349102169 |
| 2023 | Our Lady of the Mississippi Abbey Dubuque, IA | D | $100,000 | paid | GENERAL CHARITABLE PURPOSES | 202443169349102169 |
| 2023 | Ding Darling Wildlife Society Sanibel, FL | B | $85,000 | paid | GENERAL CHARITABLE PURPOSES | 202443169349102169 |
| 2023 | Sanibel Captiva Conservation Foundation Sanibel, FL | B | $50,000 | paid | GENERAL CHARITABLE PURPOSES | 202443169349102169 |
| 2023 | Fish of Sanibel-Captiva Inc Sanibel, FL | B | $50,000 | paid | GENERAL CHARITABLE PURPOSES | 202443169349102169 |
| 2023 | Sanibel Community Association Sanibel, FL | B | $50,000 | paid | GENERAL CHARITABLE PURPOSES | 202443169349102169 |
| 2023 | Clinic for Rehab of Wildlife Sanibel, FL | U | $50,000 | paid | GENERAL CHARITABLE PURPOSES | 202443169349102169 |
| 2023 | United Way Worldwide Alexandria, VA | B | $25,000 | paid | GENERAL OPERATING | 202443169349102169 |
| 2023 | University of Cincinnati Foundation Cincinnati, OH | B | $25,000 | paid | GENERAL CHARITABLE PURPOSES | 202443169349102169 |
| 2023 | Mayo Clinic Rochester, MN | U | $10,000 | paid | GENERAL CHARITABLE PURPOSES | 202443169349102169 |
| 2022 | Missionary Society Salesian Sisters Tampa, FL | U | $210,000 | paid | GENERAL CHARITABLE PURPOSES | 202331249349102018 |
| 2022 | Our Lady of Mississippi Valley Fort Meyers, FL | U | $75,000 | paid | GENERAL CHARITABLE PURPOSES | 202331249349102018 |
| 2022 | Fish of Sanibel Sanibel, FL | D | $50,000 | paid | GENERAL CHARITABLE PURPOSES | 202331249349102018 |
| 2022 | Sanibel Community Association Sanibel, FL | B | $35,000 | paid | GENERAL CHARITABLE PURPOSES | 202331249349102018 |
| 2022 | Sanibel Sea School Sanibel, FL | U | $25,000 | paid | GENERAL OPERATING | 202331249349102018 |
| 2022 | United Way of Lee County Fort Meyers, FL | B | $25,000 | paid | GENERAL CHARITABLE PURPOSES | 202331249349102018 |
| 2022 | Clinic for Rehab of Wildlife Sanibel, FL | U | $25,000 | paid | GENERAL CHARITABLE PURPOSES | 202331249349102018 |
| 2022 | Ding Darling Wildlife Society Sanibel, FL | B | $25,000 | paid | GENERAL CHARITABLE PURPOSES | 202331249349102018 |
| 2022 | Katie's House Inc Newton, NY | U | $25,000 | paid | GENERAL CHARITABLE PURPOSES | 202331249349102018 |
| 2022 | Sanibel Captiva Conservation Foundation Sanibel, FL | B | $25,000 | paid | GENERAL CHARITABLE PURPOSES | 202331249349102018 |
| 2022 | University of Cincinatti Athletics Cincinatti, OH | U | $25,000 | paid | GENERAL CHARITABLE PURPOSES | 202331249349102018 |
| 2022 | Charlotte Latin School Charlotte, NC | C | $15,000 | paid | GENERAL CHARITABLE PURPOSES | 202331249349102018 |
| 2022 | Mayo Clinic Rochester, MN | U | $10,000 | paid | GENERAL CHARITABLE PURPOSES | 202331249349102018 |
| 2020 | Missionary Society Salesian Sisters Tampa, FL | U | $270,000 | paid | GENERAL CHARITABLE PURPOSES | 202103129349102500 |
| 2020 | Our Lady of Mississippi Valley Fort Meyers, FL | U | $225,000 | paid | GENERAL CHARITABLE PURPOSES | 202103129349102500 |
| 2020 | Fish of Sanibel Sanibel, FL | D | $50,000 | paid | GENERAL CHARITABLE PURPOSES | 202103129349102500 |
| 2020 | Sanibel Captiva Conservation Foundation Sanibel, FL | B | $35,000 | paid | GENERAL CHARITABLE PURPOSES | 202103129349102500 |
| 2020 | Sanibel Community Association Sanibel, FL | B | $25,000 | paid | GENERAL CHARITABLE PURPOSES | 202103129349102500 |
| 2020 | University of Cincinatti Athletics Cincinatti, OH | U | $25,000 | paid | GENERAL CHARITABLE PURPOSES | 202103129349102500 |
| 2020 | Katie's House Inc Newton, NY | U | $25,000 | paid | GENERAL CHARITABLE PURPOSES | 202103129349102500 |
| 2020 | United Way of Lee County Fort Meyers, FL | B | $25,000 | paid | GENERAL CHARITABLE PURPOSES | 202103129349102500 |
| 2020 | Clinic for Rehab of Wildlife Sanibel, FL | U | $25,000 | paid | GENERAL CHARITABLE PURPOSES | 202103129349102500 |
| 2020 | Ding Darling Wildlife Society Sanibel, FL | B | $25,000 | paid | GENERAL CHARITABLE PURPOSES | 202103129349102500 |
| 2020 | Mayo Clinic Rochester, MN | U | $15,000 | paid | GENERAL CHARITABLE PURPOSES | 202103129349102500 |
| 2020 | Charlotte Latin School Charlotte, NC | C | $15,000 | paid | GENERAL CHARITABLE PURPOSES | 202103129349102500 |
| 2018 | Our Lady of the Mississippi Abbey Dubuque, IA | D | $225,000 | paid | UNRESTRICTED GENERAL | 201940949349100619 |
| 2018 | Missionary Society Salesian Sisters North Haledon, NJ | U | $110,000 | paid | UNRESTRICTED GENERAL | 201940949349100619 |
| 2018 | Missionary Society Salesian Sisters Tampa, FL | U | $35,000 | paid | YOUTH CENTER AT VILLA | 201940949349100619 |
| 2018 | Fish of Sanibel Sanibel, FL | D | $30,000 | paid | UNRESTRICTED GENERAL | 201940949349100619 |
| 2018 | United Way of Lee County Fort Meyers, FL | B | $25,000 | paid | UNRESTRICTED GENERAL | 201940949349100619 |
| 2018 | ''ding'' Darling Wildlife Society Sanibel, FL | B | $20,000 | paid | UNDISTRIBUTED GENERAL | 201940949349100619 |
| 2018 | Clinic for Rehab of Wildlife Sanibel, FL | U | $20,000 | paid | UNRESTRICTED GENERAL | 201940949349100619 |
| 2018 | Sanibel Sea School Sanibel, FL | U | $20,000 | paid | UNRESTRICTED GENERAL | 201940949349100619 |
| 2018 | Sanibel Community Assoc Sanibel, FL | C | $20,000 | paid | UNRESTRICTED GENERAL | 201940949349100619 |
| 2018 | Sanibel-Captiva Conservation Sanibel, FL | C | $20,000 | paid | UNRESTRICTED GENERAL | 201940949349100619 |
| 2018 | Katie's House Inc Newton, NY | U | $20,000 | paid | UNRESTRICTED GENERAL | 201940949349100619 |
| 2018 | Charlotte Latin School Charlotte, NC | C | $10,000 | paid | UNRESTRICTED GENERAL | 201940949349100619 |
| 2018 | Mayo Clinic Rochester, MN | U | $10,000 | paid | UNRESTRICTED GENERAL | 201940949349100619 |
| 2018 | Bishop Verot High School Fort Myers, FL | D | $5,000 | paid | UNRESTRICTED GENERAL | 201940949349100619 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Source filings
Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990PF | 2025 | 2025-12-31 | not stated | 2025v4.0 | 202621319349104482 |
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.1 | 202541329349100854 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.1 | 202443169349102169 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202331249349102018 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.1 | 202103129349102500 |
| 990PF | 2018 | 2018-12-31 | not stated | 2018v3.0 | 201940949349100619 |
Derived from IRS Form 990-PF e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/233069847.json.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.