William and Inez Mabie Family Foundation
William and Inez Mabie Family Foundation is a private foundation, based in NAPA, CA. IRS filing data is available from 2020 through 2021. As of 2021, the organization holds $3.1M in total assets. In 2021, it awarded 16 grants totaling $1.6M. Net investment income was $733K.
Financial Overview
From 2021 IRS Form 990-PF · View filing
Total Assets
$3.1M
-23.0% YoY
Annual Giving
$1.6M
+113.4% YoY
Grant Count
16
+220.0% YoY
Avg Grant Size
$103K
-33.3% YoY
About William and Inez Mabie Family Foundation
Based on IRS filings
William and Inez Mabie Family Foundation is a private foundation, based in NAPA, CA. IRS filing data is available from 2020 through 2021. As of 2021, the organization holds $3.1M in total assets. In 2021, it awarded 16 grants totaling $1.6M. Net investment income was $733K.
Ready to take the next step with William and Inez Mabie Family Foundation?
Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2021 | 2020 |
|---|---|---|
| Total Assets | $3,090,254 | $4,013,142 |
| Revenue | $791,197 | $389,091 |
| Expenses | $1,714,085 | $836,929 |
| Qualifying Distributions | $1,645,500 | — |
| Net Investment Income | $733,046 | $323,202 |
| Distributable Amount | — | — |
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 2021
Grant Size Distribution
21 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2021 IRS filing
From 2021 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| Sara B Malone | Vice President | 0.5 | — |
| Yeoryios C Apallas | Trustee | 2 | $25,000 |
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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