The Illinois State Capitol
Foundation Lookup

Form 990-PFTax year 2025EIN 22-3894171

Thomas O Brown Foundation

A private foundation in Warrenville, IL. Its return for tax year 2025 lists 11 grants and $261,000 paid in grants.

See which foundations fund work like yours Matching by cause, place and grant size

Tax year 2025 (period ending Dec 31, 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests.

Assets and giving by year

8 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2025

    $261,000

    Grants listed
    11
    Assets, end of year
    $5,819,297

  • Tax year 2024

    $249,500

    Grants listed
    11
    Assets, end of year
    $5,747,538

  • Tax year 2023

    $262,500

    Grants listed
    13
    Assets, end of year
    $5,943,493

  • Tax year 2022

    $279,000

    Grants listed
    14
    Assets, end of year
    $6,100,848

  • Tax year 2021

    $266,000

    Grants listed
    12
    Assets, end of year
    $6,226,299

  • Tax year 2020

    $287,000

    Grants listed
    14
    Assets, end of year
    $6,209,645

  • Tax year 2019

    $263,000

    Grants listed
    16
    Assets, end of year
    $6,232,795

  • Tax year 2018

    $272,500

    Grants listed
    14
    Assets, end of year
    $6,239,552

Grants paid in 2025

11 grants, largest first

As listed on the return.

  1. Glacier National Park ConservancyColumbia FLS, MT

    Preservation of park lands

    $60,000
  2. Grand Teton National Park FoundationMoose, WY

    Park preservation

    $30,000
  3. Greater Yellowstone CoalitionBozeman, MT

    Preservation of land/wildlife

    $30,000
  4. Public Land AllianceWashington, DC

    National parks preservation

    $30,000
  5. Friends of Whitefish Dunes State ParkSturgeon Bay, WI

    Conservation and promotion of whitefish dunes state park.

    $25,000
  6. National Parks Conservation AssociationWashington, DC

    Preservation of land/wildlife

    $25,000
  7. Palouse Land TrustMoscow, ID

    Land conservation of the palouse region

    $25,000
  8. Rocky Mountain ConservancyEstes Park, CO

    National parks preservation

    $20,000
  9. Washington's National Park FundSeattle, WA

    Preservation of MT. Rainier, north cascades, and olympic national parks

    $10,000
  10. Tart TrailsTraverse City, MI

    Enrich the traverse region by providing a network of trails, bikeways, and pedestrian ways

    $5,000
  11. National Park FoundationWashington, DC

    National parks preservation

    $1,000

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Sports and recreation3 grants $90,00045% of the total
  2. Environment3 grants $80,00040% of the total
  3. Philanthropy and grantmaking1 grant $30,00015% of the total

By State

Grants to organizations with a US address, latest year.

  1. Montana2 grants $90,000
  2. District of Columbia2 grants $55,000
  3. Wyoming1 grant $30,000
  4. Idaho1 grant $25,000
  5. Wisconsin1 grant $25,000
  6. Colorado1 grant $20,000
  7. Washington1 grant $10,000
  8. Michigan1 grant $5,000
  9. Maryland1 grant $1,000

Officers, directors and trustees

4 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • James G SalsburyPRESIDENT Hours 4Pay $0
  • Lysa H SalsburyVICE PRESIDENT Hours 4Pay $0
  • Thomas L SalsburyTREASURER Hours 4Pay $0
  • Katherine M SalsburySECRETARY Hours 4Pay $0

The return

More foundations

Similar foundations

Same main cause (sports and recreation), giving between a quarter and four times this foundation’s where possible, nearby first.

  1. CNM Family FoundationChicago, IL 3 grants Preselected only $260,000 giving
  2. Kwaan Family Foundation IncNorthfield, IL 1 grant Preselected only $255,006 giving
  3. Dr Petra and Owen Rissman FoundationChicago, IL 15 grants Preselected only $273,600 giving
  4. John H & Ann G Rhodes Foundation IncWoodstock, IL 23 grants Preselected only $277,200 giving
  5. O'Scannlain Family Charitable FoundationChicago, IL 7 grants Preselected only $245,000 giving