The Michael and Sally Mayer
The Michael and Sally Mayer is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in HILLSBOROUGH, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $1.8M in total assets. In 2024, it awarded 13 grants totaling $73K. Net investment income was $52K.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$1.8M
+0.3% YoY
Annual Giving
$73K
+26.6% YoY
Grant Count
13
+0.0% YoY
Avg Grant Size
$6K
+26.6% YoY
Under IRS private-foundation payout rules, The Michael and Sally Mayer reported a distributable amount of $59K for 2024 — the minimum it must pay out in qualifying distributions.
About The Michael and Sally Mayer
Based on IRS filings
The Michael and Sally Mayer is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in HILLSBOROUGH, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $1.8M in total assets. In 2024, it awarded 13 grants totaling $73K. Net investment income was $52K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $1,750,790 | $1,745,763 | $2,046,404 |
| Revenue | $68,483 | $23,827 | $58,827 |
| Expenses | $89,601 | $75,721 | $166,436 |
| Qualifying Distributions | $72,735 | $57,493 | $102,338 |
| Net Investment Income | $51,617 | $58,522 | $33,301 |
| Distributable Amount | $58,919 | $55,847 | $76,338 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
85 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include San Mateo Service League Hope House ($15,000), San Mateo Pal ($9,800), Family Connections ($7,500).
| Recipient | Purpose | Amount |
|---|---|---|
| ARCHBISHOP RIORDAN HIGH SCHOOL SAN FRANCISCO, CA | GENERAL OPERATING EXPENSES | $4,500 |
| BOK RANCH WOODSIDE, CA | GENERAL OPERATING EXPENSES | $1,000 |
| FAMILY CONNECTIONS MENLO PARK, CA | GENERAL OPERATING EXPENSES | $7,500 |
| FIRST PRESBYTERIAN CHURCH OF BURLINGAME BURLINGAME, CA | GENERAL OPERATING EXPENSES | $1,325 |
| FUND FOR PORTLAND PUBLIC SCHOOLS PORTLAND, OR | GENERAL OPERATING EXPENSES | $5,000 |
| HEART FOR HUMANITY NOVATO, CA | GENERAL OPERATING EXPENSES | $6,000 |
| LYMELIGHT BURLINGAME, CA | GENERAL OPERATING EXPENSES | $5,000 |
| NAMI SAN JOSE, CA | GENERAL OPERATING EXPENSES | $7,500 |
| SAN MATEO FELLOWSHIP SAN MATEO, NY | GENERAL OPERATING EXPENSES | $85 |
| SAN MATEO PAL SAN MATEO, CA | GENERAL OPERATING EXPENSES | $9,800 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| SALLY MAYER | PRESIDENT | 5 | — |
| MICHAEL MAYER | TREASURER | 5 | — |
| ROSEMARY-MAYER HINTZ | SECRETARY | 1 | — |
| DAVID MAYER | DIRECTOR | 1 | — |
| STEPHEN MAYER | DIRECTOR | 1 | — |
| GREG HINTZ | DIRECTOR | 1 | — |
| ANDREA MAYER | DIRECTOR | 1 | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is The Michael and Sally Mayer?
The Michael and Sally Mayer is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in HILLSBOROUGH, CA. It holds $1.8M in total assets as of 2024.
How large is The Michael and Sally Mayer?
As of 2024, The Michael and Sally Mayer holds $1.8M in total assets with $68K in annual revenue. It awarded 13 grants totaling $73K in 2024.
Where does The Michael and Sally Mayer operate?
The Michael and Sally Mayer has awarded grants in California, Michigan, New York, Oregon.
What size grants does The Michael and Sally Mayer award?
In 2024, The Michael and Sally Mayer awarded 13 grants totaling $73K — an average of about $6K per grant, based on its IRS Form 990 filings.
How much is The Michael and Sally Mayer required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, The Michael and Sally Mayer reported a distributable amount of $59K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is The Michael and Sally Mayer's EIN?
The Michael and Sally Mayer's EIN (Employer Identification Number) is 20-3874924. IRS Form 990 filing data is available on this page for 2020–2024.
Explore Open Grants
Browse active grant opportunities in The Michael and Sally Mayer's focus areas in our free grants database
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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