The Arizona State Capitol

Form 990-PFTax year 2024EIN 94-2842873

Skystone Foundation Inc

A private foundation in Flagstaff, AZ. Its return for tax year 2024 lists 1 grant and $4,000 paid in grants.

Tax year 2024 (period ending Jun 30, 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

7 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2024

    $4,000

    Grants listed
    1
    Assets, end of year
    $130,619,750
  • Tax year 2023

    $500

    Grants listed
    1
    Assets, end of year
    $110,473,303
  • Tax year 2022

    $0

    Grants listed
    0
    Assets, end of year
    $86,252,975
  • Tax year 2021

    $0

    Grants listed
    0
    Assets, end of year
    $58,880,918
  • Tax year 2020

    $0

    Grants listed
    0
    Assets, end of year
    $43,955,672
  • Tax year 2019

    $0

    Grants listed
    0
    Assets, end of year
    $38,765,806
  • Tax year 2018

    $0

    Grants listed
    0
    Assets, end of year
    $29,881,107

Grants paid in 2024

1 grant, largest first

As listed on the return.

  1. NAU FoundationFlagstaff, AZ

    General Support

    $4,000

Where the money goes

By State

Grants to organizations with a US address, latest year.

  1. Arizona1 grant $4,000

Officers, directors and trustees

12 people as filed

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

  • Richard AndrewsDirector Hours 1Pay $0
  • Michael GovanPresident Hours 1Pay $0
  • Ann TenenbaumSecretary Hours 1Pay $0
  • Alice TischTreasurer Hours 1Pay $0
  • Brad BucherTreasurer Hours 1Pay $0
  • Kyung Lim Lee TurrellVice President Hours 20Pay $0
  • Leslie BucherDirector Hours 1Pay $0
  • Chris LeonardChairman Hours 1Pay $0
  • Dr Ed KruppDirector Hours 1Pay $0
  • Eleanore de SoleSecretary Hours 1Pay $0
  • Chloe BerkowitzDirector Hours 1Pay $0
  • Scott MuellerDirector Hours 1Pay $0

The return

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  4. The Jeremiah Aviles FoundationPhoenix, AZ 1 grant Accepts applications $4,000 giving
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