The Arizona State Capitol

Form 990-PFTax year 2025EIN 83-3784100

Potoff Private Philanthropy

A private foundation in Tucson, AZ. Its return for tax year 2025 lists 5 grants and $1.6 million paid in grants.

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

Accepts applications

The return gives an application contact and rules, as below.

Contact
William C Westcott
2030 E Speedway Blvd Suite 208
Tucson, AZ 85719
(520) 319-1949
Form and materials
No prescribed form, applicants must furnish evidence of tax exempt status
Deadlines
N/A
Restrictions
N/A

Assets and giving by year

7 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2025

    $1,592,000

    Grants listed
    5
    Assets, end of year
    $13,133,420
  • Tax year 2024

    $1,195,000

    Grants listed
    6
    Assets, end of year
    $14,349,616
  • Tax year 2023

    $2,130,000

    Grants listed
    2
    Assets, end of year
    $13,774,759
  • Tax year 2022

    $310,000

    Grants listed
    3
    Assets, end of year
    $15,953,526
  • Tax year 2021

    $120,000

    Grants listed
    3
    Assets, end of year
    $16,592,926
  • Tax year 2020

    $51,450

    Grants listed
    1
    Assets, end of year
    $374,572
  • Tax year 2019

    $55,235

    Grants listed
    3
    Assets, end of year
    $261,768

Grants paid in 2025

5 grants, largest first

As listed on the return.

  1. Arizona Local News FoundationPhoenix, AZ

    Connect communities with local news and information

    $775,000
  2. Handi-Dogs Inc DBA Ability Dogs of ArizonaTucson, AZ

    Helping individuals train their service dogs

    $300,000
  3. Pima County Superintendent of SchoolsTucson, AZ

    Pima cycle breakers

    $200,000
  4. Pima Jted FoundationTucson, AZ

    Skills-based education

    $177,000
  5. Make Way for BooksTucson, AZ

    Promote childhood literacy

    $140,000

Where the money goes

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

  1. Jobs and employment1 grant $775,00071% of the total
  2. Education2 grants $317,00029% of the total

By State

Grants to organizations with a US address, latest year.

  1. Arizona5 grants $1,592,000

Officers, directors and trustees

4 people as filed

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

  • Ross H PotoffDIRECTOR Hours 1Pay $0
  • Kathy PratherSECRETARY Hours 1Pay $0
  • William C WestcottPRESIDENT AND EXECUTIVE DIRECTOR Hours 12Pay $70,000
  • Camille ShawTREASURER AND ASST EXEC DIRECTOR Hours 12Pay $70,000

The return

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