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Form 990-PFTax year 2025EIN 27-5099631

Block 100 Foundation Inc

A private foundation in Middleton, WI. Its return for tax year 2025 lists 3 grants and $202,500 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

    $202,500

    Grants listed
    3
    Assets, end of year
    $16,555,340

  • Tax year 2024

    $400,000

    Grants listed
    2
    Assets, end of year
    $17,272,008

  • Tax year 2023

    $400,000

    Grants listed
    2
    Assets, end of year
    $17,832,430

  • Tax year 2022

    $400,000

    Grants listed
    2
    Assets, end of year
    $18,719,725

  • Tax year 2021

    $400,000

    Grants listed
    2
    Assets, end of year
    $18,901,451

  • Tax year 2020

    $350,000

    Grants listed
    2
    Assets, end of year
    $19,736,844

  • Tax year 2019

    $350,000

    Grants listed
    2
    Assets, end of year
    $20,473,202

  • Tax year 2018

    $0

    Grants listed
    0
    Assets, end of year
    $21,274,453

Grants paid in 2025

3 grants, largest first

As listed on the return.

  1. MmocaMadison, WI

    To contribute to the cultural arts in the city of madison.

    $100,000
  2. Overture CenterMadison, WI

    To contribute to the cultural arts in the city of madison.

    $100,000
  3. Downtown Madison IncMadison, WI

    To contribute to the cultural arts in the city of madison.

    $2,500

Where the money goes

By State

Grants to organizations with a US address, latest year.

  1. Wisconsin3 grants $202,500

Officers, directors and trustees

5 people as filed

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

  • Pleasant T RowlandDIRECTOR Hours 5Pay $0
  • Grant J FrautschiDIRECTOR/PRESIDENT Hours 5Pay $0
  • W Jerome FrautschiDIRECTOR/TREASURER Hours 5Pay $0
  • George E AustinDIRECTOR Hours 5Pay $0
  • Margo BelzDIRECTOR/SECRETARY Hours 10Pay $0

The return

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