The Michael and Sally Mayer Family Foundation
Preselected recipients only
The Michael and Sally Mayer Family Foundation is a private foundation in Hillsborough, California. In tax year 2025 it gave $90,600 in 16 grants; the typical grant was $5,000 and the largest $17,029. 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$90,600
- Number of grants16
- Typical grant$5,000
- Largest grant$17,029
- Assets$1.8 million
- New grantees50%
Giving in 2025 was up from $72,710 the year before.
50% of its 2025 grantees had not received a grant from it the year before, a sign it is open to new organizations.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $57,423 | 13 | $1.1 million |
| 2024 | $72,710 | 13 | $1.4 million |
| 2025 | $90,600 | 16 | $1.8 million |
How to apply
The Michael and Sally Mayer Family 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 The Michael and Sally Mayer Family Foundation funds
Where it gives
Its grants went to recipients in 4 states, the most to California.
| State | Grants | Amount |
|---|---|---|
| California | 12 | $70,894 |
| Oregon | 1 | $16,000 |
| Michigan | 2 | $3,500 |
| New York | 1 | $206 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| San Mateo Service League Hope House | General operating expenses | $17,029 |
| Rose City Park School | General operating expenses | $16,000 |
| First Presbyterian Church of Burlingame | General operating expenses | $11,590 |
| Heart for Humanity | General operating expenses | $10,000 |
| Family Connections | General operating expenses | $7,500 |
| Los Lomitas Education Foundation | General operating expenses | $6,000 |
| Abilitypath | General operating expenses | $5,000 |
| San Mateo Pal | General operating expenses | $5,000 |
| SF SPCA | General operating expenses | $5,000 |
| Jewish Legacy | General operating expenses | $2,500 |
| Lymelight | General operating expenses | $2,500 |
| Archbishop Riordan High School | General operating expenses | $1,000 |
| Hillsdale College | General operating expenses | $1,000 |
| Fioli | General operating expenses | $250 |
| San Mateo Fellowship | General operating expenses | $206 |
| The Five Buckets Four Shovels Foundation | General operating expenses | $25 |
Officers and trustees
- Sally Mayer
- Michael Mayer
- Rosemary-Mayer Hintz
- David Mayer
- Stephen Mayer
- Greg Hintz
- Andrea Mayer
Questions people ask
Does The Michael and Sally Mayer Family Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does The Michael and Sally Mayer Family Foundation give?
$90,600 in tax year 2025, across 16 grants, with a typical grant of $5,000.
Who runs The Michael and Sally Mayer Family Foundation?
Its 2025 filing lists Sally Mayer (President), Michael Mayer (Treasurer), Rosemary-Mayer Hintz (Secretary) and David Mayer (Director) among 7 officers and trustees.
What does The Michael and Sally Mayer Family Foundation fund?
Based on its grants, mainly education and faith communities.