Thomas O Brown Foundation

WARRENVILLE, IL EIN: 22-3894171

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

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.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

11states
+3 more states

Cities

BaltimoreBozemanColumbia FallsDallasEstes ParkMooseMoscowSan FranciscoSeattleSilver SpringSpringdaleTraverse CityWashington

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$84K$169K$253K$338K20202021202220232024
Metric202420232022
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

$0$72K$144K$215K$287K14 grants202012 grants202114 grants202213 grants202311 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

GLACIER NATIONAL PARK CO…$60KNATIONAL PARKS CONSERVAT…$40KGRAND TETON NATIONAL PAR…$30KGREATER YELLOWSTONE COAL…$30KROCKY MOUNTAIN CONSERVANCY$20KWASHINGTON'S NATIONAL PA…$20KSAVE THE REDWOODS LEAGUE$15KTART TRAILS$14KPALOUSE LAND TRUST$10KPUBLIC LAND ALLIANCE$10K

Grant Size Distribution

64 grants across all recorded years

60<$50K4$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

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

NameTitleHoursCompensation
JAMES G SALSBURYPRESIDENT4
LYSA H SALSBURYVICE PRESIDENT4
THOMAS L SALSBURYTREASURER4
KATHERINE M SALSBURYSECRETARY4

Subject Areas

Focus areas based on grantmaking activity

Related Funders

Similar funders by location and focus area

Data last updated April 2026. Sourced from IRS Form 990-PF filings.

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