Costolo Family Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in WILMINGTON, DE. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $10.3M in total assets. In 2024, it awarded 7 grants totaling $420K. Net investment income was $356K.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$10.3M
+2.8% YoY
Annual Giving
$420K
+55.6% YoY
Grant Count
7
+40.0% YoY
Avg Grant Size
$60K
+11.1% YoY
About Costolo Family Foundation
Based on IRS filings
Costolo Family Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in WILMINGTON, DE. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $10.3M in total assets. In 2024, it awarded 7 grants totaling $420K. Net investment income was $356K.
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 | $10,279,137 | $9,996,421 | $8,739,950 |
| Revenue | $778,127 | $1,614,343 | $-2,727 |
| Expenses | $505,411 | $357,872 | $329,177 |
| Qualifying Distributions | $454,026 | $299,832 | $279,624 |
| Net Investment Income | $356,440 | $226,988 | $156,444 |
| Distributable Amount | $558,896 | $447,761 | $404,806 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 7 recipients in 2024
Grant Size Distribution
15 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 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| Lorin Costolo | Dir, Pres | 1 | — |
| Richard Costolo | Dir, Sec, Treas | 1 | — |
| Rose Costolo | Dir | 1 | — |
Subject Areas
Focus areas based on grantmaking activity
Related Funders
Similar funders by location and focus area
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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