Thomas O Brown Foundation
Thomas O Brown Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in WARRENVILLE, IL. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $5.7M in total assets. In 2024, it awarded 11 grants totaling $250K. Net investment income was $276K.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$5.7M
-3.3% YoY
Annual Giving
$250K
-5.0% YoY
Grant Count
11
-15.4% YoY
Avg Grant Size
$23K
+12.3% YoY
Under IRS private-foundation payout rules, Thomas O Brown Foundation reported a distributable amount of $278K for 2024 — the minimum it must pay out in qualifying distributions.
About Thomas O Brown Foundation
Based on IRS filings
Thomas O Brown Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in WARRENVILLE, IL. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $5.7M in total assets. In 2024, it awarded 11 grants totaling $250K. Net investment income was $276K.
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 | $5,747,538 | $5,943,493 | $6,100,848 |
| Revenue | $75,206 | $125,311 | $181,721 |
| Expenses | $271,161 | $282,666 | $307,172 |
| Qualifying Distributions | $266,612 | $278,564 | $301,910 |
| Net Investment Income | $275,569 | $272,262 | $265,246 |
| Distributable Amount | $278,009 | $266,161 | $278,707 |
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
64 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Glacier National Park Conservancy ($60,000), National Parks Conservation Association ($40,000), Grand Teton National Park Foundation ($30,000).
| Recipient | Purpose | Amount |
|---|---|---|
| GLACIER NATIONAL PARK CONSERVANCY COLUMBIA FALLS, MT | PRESERVATION OF PARK LANDS | $60,000 |
| GRAND TETON NATIONAL PARK FOUNDATION MOOSE, WY | PARK PRESERVATION | $30,000 |
| GREATER YELLOWSTONE COALITION BOZEMAN, MT | PRESERVATION OF LAND/WILDLIFE | $30,000 |
| NATIONAL PARK FOUNDATION BALTIMORE, MD | NATIONAL PARKS PRESERVATION | $1,000 |
| NATIONAL PARKS CONSERVATION ASSOCIATION WASHINGTON, DC | PRESERVATION OF LAND/WILDLIFE | $40,000 |
| PALOUSE LAND TRUST MOSCOW, ID | LAND CONSERVATION OF THE PALOUSE REGION | $10,000 |
| PUBLIC LAND ALLIANCE WASHINGTON, DC | NATIONAL PARKS PRESERVATION | $10,000 |
| ROCKY MOUNTAIN CONSERVANCY ESTES PARK, CO | NATIONAL PARKS PRESERVATION | $20,000 |
| SAVE THE REDWOODS LEAGUE SAN FRANCISCO, CA | PROTECT AND CONSERVE REDWOOD TREES | $15,000 |
| TART TRAILS TRAVERSE CITY, MI | ENRICH THE TRAVERSE REGION BY PROVIDING A NETWORK OF TRAILS, BIKEWAYS, AND PEDESTRIAN WAYS | $13,500 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| JAMES G SALSBURY | PRESIDENT | 4 | — |
| LYSA H SALSBURY | VICE PRESIDENT | 4 | — |
| THOMAS L SALSBURY | TREASURER | 4 | — |
| KATHERINE M SALSBURY | SECRETARY | 4 | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Thomas O Brown Foundation?
Thomas O Brown Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in WARRENVILLE, IL. It holds $5.7M in total assets as of 2024.
How large is Thomas O Brown Foundation?
As of 2024, Thomas O Brown Foundation holds $5.7M in total assets with $75K in annual revenue. It awarded 11 grants totaling $250K in 2024.
Where does Thomas O Brown Foundation operate?
Thomas O Brown Foundation has awarded grants in California, Colorado, District of Columbia, Idaho, Maryland, Michigan, Montana, Texas, Utah, Washington, Wyoming.
What size grants does Thomas O Brown Foundation award?
In 2024, Thomas O Brown Foundation awarded 11 grants totaling $250K — an average of about $23K per grant, based on its IRS Form 990 filings.
How much is Thomas O Brown Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, Thomas O Brown Foundation reported a distributable amount of $278K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Thomas O Brown Foundation's EIN?
Thomas O Brown Foundation's EIN (Employer Identification Number) is 22-3894171. IRS Form 990 filing data is available on this page for 2020–2024.
Explore Open Grants
Browse active grant opportunities in Thomas O Brown Foundation's focus areas in our free grants database
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.