Grants paid by The Helen and Harold C Mayer Foundation
EIN 13-6062833 · NY · Form 990-PF, Part XV
The Helen and Harold C Mayer Foundation of NY (EIN 13-6062833) reported 91 grants paid totaling $1,186,054 to 54 recipients in tax years 2018–2020, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$1,186,054
91 grants
Recipients
54
distinct organizations
Tax years
2018–2020
3 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2018 | 40 | $59,950 | — |
| 2019 | 48 | $84,000 | — |
| 2020 | 3 | $1,042,104 | — |
Top recipients
The 54 recipients receiving the most from The Helen and Harold C Mayer Foundation, by grants paid, out of 54 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Joan Mayer | U | New York, NY | 1 | $350,844 | 2020 |
| Nancy Mayer | U | New York, NY | 1 | $348,997 | 2020 |
| Sue Ellen Rittmaster | U | New York, NY | 1 | $342,263 | 2020 |
| New York Public Library | U | New York, NY | 2 | $15,600 | 2019 |
| Uja Federation of New York 51-0172429 | B | New York, NY | 2 | $7,600 | 2019 |
| Congregation Emanu-El | U | New York, NY | 2 | $7,200 | 2019 |
| Penn Fund | U | Philadelphia, PA | 3 | $6,600 | 2019 |
| Central Park Conservancy 13-3022855 | B | New York, NY | 2 | $6,600 | 2019 |
| The Churchhill School & Center | U | New York, NY | 2 | $6,000 | 2019 |
| Uja Federation of Jewish Philanthropies | U | New York, NY | 2 | $6,000 | 2019 |
| Mount Sinai Hospital 13-1624096 | B | New York, NY | 2 | $5,000 | 2019 |
| New York Philharmonic 13-1664054 | B | New York, NY | 2 | $4,600 | 2019 |
| United Hospital Fund | U | New York, NY | 2 | $4,600 | 2019 |
| Riverdale Country School 13-1740483 | B | Bronx, NY | 2 | $4,500 | 2019 |
| Lift 93-4511662 | C | Anaheim Hills, CA | 2 | $4,000 | 2019 |
| Pathways Inc 16-1089007 | B | Corning, NY | 2 | $4,000 | 2019 |
| Als Association | U | New York, NY | 1 | $4,000 | 2019 |
| Florence Griswold Museum 06-6062157 | B | Old Lyme, CT | 2 | $4,000 | 2019 |
| Animal Medical Center 13-5505367 | C | New York, NY | 2 | $3,600 | 2019 |
| Wildlife Conservation 13-1740011 | D | Bronx, NY | 2 | $3,600 | 2019 |
| Memorial Sloan-Kettering Cancer Center | U | New York, NY | 2 | $3,500 | 2019 |
| Hole in the Wall Gang Fund 06-1157655 | B | New Haven, CT | 2 | $3,000 | 2019 |
| Ct Audubon Society | U | Fairfield, CT | 2 | $3,000 | 2019 |
| Aspca | U | New York, NY | 2 | $2,600 | 2019 |
| Visiting Nurse Service | U | New York, NY | 2 | $2,600 | 2019 |
| Lenox Hill Hospital 13-1624070 | C | New York, NY | 2 | $2,500 | 2019 |
| World Wildlife Fund 52-1693387 | B | Washington, DC | 1 | $2,000 | 2019 |
| Planned Parenthood of NYC | U | New York, NY | 1 | $2,000 | 2018 |
| The New York Times Neediest Cases Fund | U | Brooklyn, NY | 1 | $2,000 | 2019 |
| Community Service Society | U | New York, NY | 1 | $2,000 | 2019 |
| Unicef USA | U | New York, NY | 1 | $2,000 | 2019 |
| Cape Cod Healthcare Foundation 04-3475950 | B | Hyannis, MA | 2 | $2,000 | 2019 |
| Seeds of Peace | U | New York, NY | 2 | $2,000 | 2019 |
| Safe Horizon 13-2946970 | B | New York, NY | 2 | $1,500 | 2019 |
| Verdugo Hills Hospital Foundation | U | Glendale, CA | 2 | $1,500 | 2019 |
| Vassar College | U | Poughkeepsie, NY | 2 | $1,500 | 2019 |
| Fontaine Medical Center | U | Harwich, MA | 2 | $1,500 | 2019 |
| Musical Masterworks 22-2340604 | D | Old Lyme, CT | 2 | $1,000 | 2019 |
| Maine Idea 01-0284115 | D | Mamaroneck, NY | 1 | $1,000 | 2018 |
| Jewish Home and Hospital 13-1624033 | D | Brooklyn, NY | 2 | $1,000 | 2019 |
| 92 Street Ymha | U | New York, NY | 2 | $1,000 | 2019 |
| Portalove Foundation | U | New York, NY | 1 | $1,000 | 2018 |
| Barnard College 13-1628149 | B | New York, NY | 2 | $750 | 2019 |
| Dalton School 13-2751872 | C | New York, NY | 2 | $750 | 2019 |
| Homemade Hope | U | Houston, TX | 1 | $500 | 2019 |
| Arttable Inc 13-3129382 | B | New York, NY | 1 | $500 | 2019 |
| Alzheimers Research Foundation 99-3330348 | D | New York, NY | 1 | $500 | 2019 |
| National Resources Defense Council | U | New York, NY | 1 | $500 | 2018 |
| Chatham Orpheum Theater 45-3806617 | C | Chatham, MA | 2 | $250 | 2019 |
| Glaucoma Foundation 13-3174839 | B | New York, NY | 2 | $150 | 2019 |
| Friends of Pleasant Bay | U | Harwich, MA | 2 | $100 | 2019 |
| Arthritis Foundation | U | New York, NY | 1 | $100 | 2019 |
| Macular Diseases Association | U | New York, NY | 1 | $100 | 2019 |
| American Parkinsons Disease | U | Staten Island, NY | 1 | $50 | 2019 |
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 91 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2020 | Joan Mayer New York, NY | U | $350,844 | paid | GENERAL FUND | 202102239349100210 |
| 2020 | Nancy Mayer New York, NY | U | $348,997 | paid | GENERAL FUND | 202102239349100210 |
| 2020 | Sue Ellen Rittmaster New York, NY | U | $342,263 | paid | GENERAL FUND | 202102239349100210 |
| 2019 | New York Public Library New York, NY | U | $8,800 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Congregation Emanu-El New York, NY | U | $4,000 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Als Association New York, NY | U | $4,000 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Central Park Conservancy New York, NY | B | $3,800 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Uja Federation of New York New York, NY | B | $3,800 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Riverdale Country School Bronx, NY | B | $3,500 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Mount Sinai Hospital New York, NY | B | $3,000 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | The Churchhill School & Center New York, NY | U | $3,000 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Uja Federation of Jewish Philanthropies New York, NY | U | $3,000 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Pathways Inc Corning, NY | B | $2,500 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | United Hospital Fund New York, NY | U | $2,300 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | New York Philharmonic New York, NY | B | $2,300 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Lift Anaheim Hills, CA | C | $2,000 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Ct Audubon Society Fairfield, CT | U | $2,000 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Hole in the Wall Gang Fund New Haven, CT | B | $2,000 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | The New York Times Neediest Cases Fund Brooklyn, NY | U | $2,000 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Memorial Sloan-Kettering Cancer Center New York, NY | U | $2,000 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Community Service Society New York, NY | U | $2,000 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Penn Fund Philadelphia, PA | U | $2,000 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Unicef USA New York, NY | U | $2,000 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Florence Griswold Museum Old Lyme, CT | B | $2,000 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | World Wildlife Fund Washington, DC | B | $2,000 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Wildlife Conservation Bronx, NY | D | $1,800 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Animal Medical Center New York, NY | C | $1,800 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | The Penn Fund Philadelphia, PA | U | $1,800 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Lenox Hill Hospital New York, NY | C | $1,500 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Aspca New York, NY | U | $1,300 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Visiting Nurse Service New York, NY | U | $1,300 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Seeds of Peace New York, NY | U | $1,000 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Verdugo Hills Hospital Foundation Glendale, CA | U | $1,000 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Fontaine Medical Center Harwich, MA | U | $1,000 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Safe Horizon New York, NY | B | $1,000 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Cape Cod Healthcare Foundation Hyannis, MA | B | $1,000 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Vassar College Poughkeepsie, NY | U | $1,000 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Alzheimers Research Foundation New York, NY | D | $500 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Dalton School New York, NY | C | $500 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | 92 Street Ymha New York, NY | U | $500 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Barnard College New York, NY | B | $500 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Musical Masterworks Old Lyme, CT | D | $500 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Jewish Home and Hospital Brooklyn, NY | D | $500 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Arttable Inc New York, NY | B | $500 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Homemade Hope Houston, TX | U | $500 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Glaucoma Foundation New York, NY | B | $100 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Arthritis Foundation New York, NY | U | $100 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Chatham Orpheum Theater Chatham, MA | C | $100 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Macular Diseases Association New York, NY | U | $100 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | American Parkinsons Disease Staten Island, NY | U | $50 | paid | GENERAL FUND | 202031419349100908 |
| 2019 | Friends of Pleasant Bay Harwich, MA | U | $50 | paid | GENERAL FUND | 202031419349100908 |
| 2018 | New York Public Library New York, NY | U | $6,800 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Uja Federation of New York New York, NY | B | $3,800 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Congregation Emanu-El New York, NY | U | $3,200 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | The Churchhill School & Center New York, NY | U | $3,000 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Uja Federation of Jewish Philanthropies New York, NY | U | $3,000 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Central Park Conservancy New York, NY | B | $2,800 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Penn Fund Philadelphia, PA | U | $2,800 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | New York Philharmonic New York, NY | B | $2,300 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | United Hospital Fund New York, NY | U | $2,300 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Planned Parenthood of NYC New York, NY | U | $2,000 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Florence Griswold Museum Old Lyme, CT | B | $2,000 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Lift Anaheim Hills, CA | C | $2,000 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Mount Sinai Hospital New York, NY | B | $2,000 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Wildlife Conservation Bronx, NY | D | $1,800 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Animal Medical Center New York, NY | C | $1,800 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Memorial Sloan-Kettering Cancer Center New York, NY | U | $1,500 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Pathways Inc Corning, NY | B | $1,500 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Aspca New York, NY | U | $1,300 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Visiting Nurse Service New York, NY | U | $1,300 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Lenox Hill Hospital New York, NY | C | $1,000 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Maine Idea Mamaroneck, NY | D | $1,000 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Portalove Foundation New York, NY | U | $1,000 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Riverdale Country School Bronx, NY | B | $1,000 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Ct Audubon Society Fairfield, CT | U | $1,000 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Cape Cod Healthcare Foundation Hyannis, MA | B | $1,000 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Hole in the Wall Gang Fund New Haven, CT | B | $1,000 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Seeds of Peace New York, NY | U | $1,000 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Safe Horizon New York, NY | B | $500 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Jewish Home and Hospital Brooklyn, NY | D | $500 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Verdugo Hills Hospital Foundation Glendale, CA | U | $500 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Musical Masterworks Old Lyme, CT | D | $500 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | 92 Street Ymha New York, NY | U | $500 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | National Resources Defense Council New York, NY | U | $500 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Fontaine Medical Center Harwich, MA | U | $500 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Vassar College Poughkeepsie, NY | U | $500 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Dalton School New York, NY | C | $250 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Barnard College New York, NY | B | $250 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Chatham Orpheum Theater Chatham, MA | C | $150 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Friends of Pleasant Bay Harwich, MA | U | $50 | paid | GENERAL FUND | 201920449349100307 |
| 2018 | Glaucoma Foundation New York, NY | B | $50 | paid | GENERAL FUND | 201920449349100307 |
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 | 2020 | 2020-09-30 | not stated | 2019v5.2 | 202102239349100210 |
| 990PF | 2019 | 2019-09-30 | not stated | 2018v3.3 | 202031419349100908 |
| 990PF | 2018 | 2018-09-30 | not stated | 2017v2.3 | 201920449349100307 |
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/136062833.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.