Mackworth-Mendoza Foundation
Preselected recipients only
Mackworth-Mendoza Foundation is a private foundation in Key Biscayne, Florida. In tax year 2025 it gave $580,000 in 7 grants; the typical grant was $5,000 and the largest $550,000. 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$580,000
- Number of grants7
- Typical grant$5,000
- Largest grant$550,000
- Assets$1.0 million
- New grantees29%
Giving in 2025 was up from $113,000 the year before.
29% 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 | $104,250 | 10 | $1.4 million |
| 2024 | $113,000 | 8 | $1.3 million |
| 2025 | $580,000 | 7 | $1.0 million |
How to apply
Mackworth-Mendoza 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 Mackworth-Mendoza Foundation funds
Where it gives
Its grants went to recipients in 5 states, the most to Oregon.
| State | Grants | Amount |
|---|---|---|
| Oregon | 3 | $567,500 |
| Florida | 1 | $5,000 |
| California | 1 | $2,500 |
| Ohio | 1 | $2,500 |
| Virginia | 1 | $2,500 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| Literary Arts | Program activities | $550,000 |
| The International School | Program activities | $12,500 |
| Feeding South Florida | Program sctivities | $5,000 |
| Oregon Food Bank | Program activities | $5,000 |
| American Diabetes Assoc | Program activities | $2,500 |
| Heal Palestine | Program activities | $2,500 |
| Meca for Peace | Program activities | $2,500 |
Officers and trustees
- Hugh F Mackworth
- Josie G Mendoza
- Alexander Mackworth
Questions people ask
Does Mackworth-Mendoza Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does Mackworth-Mendoza Foundation give?
$580,000 in tax year 2025, across 7 grants, with a typical grant of $5,000.
Who runs Mackworth-Mendoza Foundation?
Its 2025 filing lists Hugh F Mackworth (President), Josie G Mendoza (Secretary) and Alexander Mackworth (Member).
What does Mackworth-Mendoza Foundation fund?
Based on its grants, mainly food and hunger.