Mount Rainier above forested ridges in Washington
Foundation Lookup

Form 990-PFTax year 2025EIN 46-1580680

Mack Foundation

A private foundation in Bainbridge Island, WA. Its return for tax year 2025 lists 9 grants and $314,000 paid in 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

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

    $314,000

    Grants listed
    9
    Assets, end of year
    $1,875,564

  • Tax year 2024

    $232,500

    Grants listed
    5
    Assets, end of year
    $2,018,123

  • Tax year 2023

    $135,000

    Grants listed
    5
    Assets, end of year
    $2,192,440

  • Tax year 2022

    $40,000

    Grants listed
    3
    Assets, end of year
    $2,306,356

  • Tax year 2021

    $172,000

    Grants listed
    6
    Assets, end of year
    $1,664,924

  • Tax year 2020

    $37,500

    Grants listed
    5
    Assets, end of year
    $1,543,758

  • Tax year 2019

    $195,102

    Grants listed
    4
    Assets, end of year
    $1,523,828

  • Tax year 2018

    $50,000

    Grants listed
    2
    Assets, end of year
    $1,656,494

Grants paid in 2025

9 grants, largest first

As listed on the return.

  1. Norwich UniversityNorthfield, VT

    General support

    $115,000
  2. Christian Brothers FoundationNew Orleans, LA

    General support

    $50,000
  3. Music Center of the NorthwestSeattle, WA

    General support

    $50,000
  4. One Call for AllBainbridge Is, WA

    General support

    $41,000
  5. RHF FoundationFayatteville, NC

    General support

    $25,000
  6. Helpline HouseBainbridge Is, WA

    General support

    $10,000
  7. The UCLA FoundationLos Angeles, CA

    General support

    $10,000
  8. St Cecilia ParishBainbridge Island, WA

    General support

    $10,000
  9. Seattle Union MissionKent, WA

    General support

    $3,000

Where the money goes

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

  1. Education2 grants $125,00071% of the total
  2. Philanthropy and grantmaking1 grant $41,00023% of the total
  3. Human services1 grant $10,0006% of the total

By State

Grants to organizations with a US address, latest year.

  1. Vermont1 grant $115,000
  2. Washington5 grants $114,000
  3. Louisiana1 grant $50,000
  4. North Carolina1 grant $25,000
  5. California1 grant $10,000

Officers, directors and trustees

1 person as filed

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

  • Robert BmackTRUSTEE Hours 0Pay $0

The return

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