Isidor Wiesbader Foundation Inc
Preselected recipients only
Isidor Wiesbader Foundation Inc is a private foundation in Valley Stream, New York. In tax year 2025 it gave $112,000 in 4 grants; the typical grant was $28,000 and the largest $39,000. 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$112,000
- Number of grants4
- Typical grant$28,000
- Largest grant$39,000
- Assets$2.8 million
- New grantees0%
Giving in 2025 was up from $102,000 the year before.
0% of its 2025 grantees had not received a grant from it the year before, so most of its money goes to organizations it already funds.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $96,000 | 4 | $2.3 million |
| 2024 | $102,000 | 4 | $2.5 million |
| 2025 | $112,000 | 4 | $2.8 million |
How to apply
Isidor Wiesbader Foundation Inc 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.
Where it gives
Its grants went to recipients in 2 states, the most to New York.
| State | Grants | Amount |
|---|---|---|
| New York | 3 | $95,000 |
| District of Columbia | 1 | $17,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| Albert Einstein College | Eleemosynary | $39,000 |
| Hadassah | Eleemosynary | $39,000 |
| American Red Cross | Eleemosynary | $17,000 |
| Bnai Zion Foundation | Eleemosynary | $17,000 |
Officers and trustees
- Roberta Diamond
- Debra Langendorff
- Andrew Diamond
- Matthew Diamond
Questions people ask
Does Isidor Wiesbader Foundation Inc accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does Isidor Wiesbader Foundation Inc give?
$112,000 in tax year 2025, across 4 grants, with a typical grant of $28,000.
Who runs Isidor Wiesbader Foundation Inc?
Its 2025 filing lists Roberta Diamond (Treasurer), Debra Langendorff (Secretary/Vp), Andrew Diamond (President) and Matthew Diamond (Vice-Pres).