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Form 990-PFTax year 2025EIN 26-1591945

Sandstone Foundation Inc

A private foundation in Milwaukee, WI. Its return for tax year 2025 lists 10 grants and $100,700 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

    $100,700

    Grants listed
    10
    Assets, end of year
    $80,568

  • Tax year 2024

    $35,500

    Grants listed
    6
    Assets, end of year
    $181,268

  • Tax year 2023

    $28,000

    Grants listed
    8
    Assets, end of year
    $191,768

  • Tax year 2022

    $0

    Grants listed
    0
    Assets, end of year
    $69,859

  • Tax year 2021

    $0

    Grants listed
    0
    Assets, end of year
    $19,969

  • Tax year 2020

    $5,000

    Grants listed
    10
    Assets, end of year
    $21,386

  • Tax year 2019

    $1,000

    Grants listed
    1
    Assets, end of year
    $3,339

  • Tax year 2018

    $5,000

    Grants listed
    10
    Assets, end of year
    $5,695

Grants paid in 2025

10 grants, largest first

As listed on the return.

  1. GPS Education PartnersWaukesha, WI

    Program support

    $35,000
  2. Museum of Wisconsin ArtWest Bend, WI

    Program support

    $30,200
  3. Milwaukee Institute of Art and Design IncMilwaukee, WI

    Program support

    $20,000
  4. Milwaukee Art MuseumMilwaukee, WI

    Program support

    $5,000
  5. Urban Ecology Center IncMilwaukee, WI

    Program support

    $2,500
  6. Economics WisconsinMequon, WI

    Program support

    $2,000
  7. Milwaukee School of EngineeringMilwaukee, WI

    Program support

    $2,000
  8. Sojourner Truth House IncHobart, IN

    Program support

    $2,000
  9. Meta House IncMilwaukee, WI

    Program support

    $1,000
  10. St George Village Botanical Garden of St Croix IncFrederiksted, VI

    Program support

    $1,000

Where the money goes

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

  1. Arts and culture3 grants $70,20090% of the total
  2. Environment2 grants $3,5005% of the total
  3. Education1 grant $2,0003% of the total
  4. Human services1 grant $2,0003% of the total

By State

Grants to organizations with a US address, latest year.

  1. Wisconsin8 grants $97,700
  2. Indiana1 grant $2,000
  3. U.S. Virgin Islands1 grant $1,000

Officers, directors and trustees

2 people as filed

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

  • Lawrence P MoonPRESIDENT/TREASURER Hours 0.5Pay $0
  • Judith T MoonSECRETARY Hours 0.5Pay $0

The return

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