Leonard Mayer Foundation
Preselected recipients only
Leonard Mayer Foundation is a private foundation in Livingston, New Jersey. In tax year 2025 it gave $31,300 in 11 grants; the typical grant was $3,000 and the largest $5,000. It only gives to organizations it selects itself and does not accept unsolicited applications.
From its IRS Form 990-PF for tax year 2025.
- Grants paid, 2025$31,300
- Number of grants11
- Typical grant$3,000
- Largest grant$5,000
- Assets$251,149
- New grantees27%
Giving in 2025 was up from $19,000 the year before.
27% of its 2025 grantees had not received a grant from it the year before, a mix of repeat and new grantees.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $26,000 | 15 | $281,765 |
| 2024 | $19,000 | 11 | $291,056 |
| 2025 | $31,300 | 11 | $251,149 |
How to apply
Leonard Mayer Foundation says in its IRS filing that it only makes contributions to preselected organizations, so unsolicited applications are unlikely to be considered. Organizations it funds are usually invited.
What Leonard Mayer Foundation funds
Where it gives
Its grants went to recipients in 8 states, the most to Minnesota.
| State | Grants | Amount |
|---|---|---|
| Minnesota | 2 | $10,000 |
| District of Columbia | 2 | $6,000 |
| New York | 2 | $6,000 |
| Maryland | 1 | $4,000 |
| Massachusetts | 1 | $2,000 |
| Florida | 1 | $1,800 |
| Virginia | 1 | $1,000 |
| Kansas | 1 | $500 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| Parkinsons Foundation | Operating funds | $5,000 |
| Prostate Cancer Foundation | Operating funds | $5,000 |
| Memorial Sloan Kettering | Operating funds | $4,000 |
| Alzheimers Association | Operating funds | $3,000 |
| American Friends of Magen David | Operating funds | $3,000 |
| Friends of the Israel Defense Forces | Operating funds | $3,000 |
| St Jude Childrens Hospital | Operating funds | $3,000 |
| American Macular Degeneration Foundation | Operating funds | $2,000 |
| Hillel of Broward and Palm Beach | Operating funds | $1,800 |
| Holocaust Memorial Museum | Operating funds | $1,000 |
| Wounded Warrior Project | Operating funds | $500 |
Officers and trustees
- Leonard Mayer
- Harriet Mayer
Questions people ask
Does Leonard Mayer Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does Leonard Mayer Foundation give?
$31,300 in tax year 2025, across 11 grants, with a typical grant of $3,000.
Who runs Leonard Mayer Foundation?
Its 2025 filing lists Leonard Mayer (President) and Harriet Mayer (Vice President).
What does Leonard Mayer Foundation fund?
Based on its grants, mainly health.