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Form 990-PFTax year 2023EIN 13-3158167

The Mattison Foundation Inc

A private foundation in Jupiter, FL. Its return for tax year 2023 lists 0 grants.

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Tax year 2023 (period ending Dec 31, 2023), 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

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

  • Tax year 2023

    $0

    Grants listed
    0
    Assets, end of year
    $494,666

  • Tax year 2022

    $0

    Grants listed
    0
    Assets, end of year
    $491,957

  • Tax year 2021

    $0

    Grants listed
    0
    Assets, end of year
    $492,674

  • Tax year 2020

    $10,550

    Grants listed
    9
    Assets, end of year
    $495,066

  • Tax year 2019

    $4,550

    Grants listed
    4
    Assets, end of year
    $513,430

  • Tax year 2018

    $7,700

    Grants listed
    5
    Assets, end of year
    $594,737

Grants paid in 2023

0 grants, largest first

As listed on the return.

Officers, directors and trustees

3 people as filed

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

  • William C Mattison JrDIRECTOR / PRESIDENT Hours 1Pay $0
  • Joan M MattisonDIRECTOR / SECRETARY Hours 1Pay $0
  • Richard C WiedenbaumDIRECTOR / TREASURER Hours 1Pay $0

The return

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