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Form 990-PFTax year 2025EIN 26-3471852

Tiburon Foundation

A private foundation in Minneapolis, MN. Its return for tax year 2025 lists 0 grants.

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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

Not stated

The return neither checks the preselected-only box nor gives application details.

Assets and giving by year

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

  • Tax year 2025

    $0

    Grants listed
    0
    Assets, end of year
    $643

  • Tax year 2024

    $0

    Grants listed
    0
    Assets, end of year
    $691

  • Tax year 2023

    $0

    Grants listed
    0
    Assets, end of year
    $1,312

  • Tax year 2022

    $0

    Grants listed
    0
    Assets, end of year
    $1,357

  • Tax year 2021

    $0

    Grants listed
    0
    Assets, end of year
    $804

  • Tax year 2020

    $14,500

    Grants listed
    6
    Assets, end of year
    $3,467

Grants paid in 2025

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.

  • Amie L DeHarpportePresident Secretary and Director Hours 1Pay $0
  • Ronald E DeHarpporteTreasurer and Director Hours 1Pay $0
  • Jason ZimmermanDirector Hours 1Pay $0

The return

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