Frequently Asked Questions

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Appeals

Completed forms submitted by email will be accepted only at [email protected].

Additional submission options include:

  • Submission via DocuSign through the Claims process.
  • Certified mail or in-person delivery

Maricopa County Assessor
301 W. Jefferson St.
Phoenix, AZ 85004

The Assessor's Office has 60 days to respond to your claim. If this time has passed, contact by email at ASR.Claims or phone 602-506-3406.

Instructions on how to complete the NOC form can be found on our website, or by visiting the Department of Revenue (DOR) website to view the forms and its included filing instructions.
A Notice of Claim can be completed through Dec. 31, of the current year and can go back three additional years. Claim for 2026 could also include 2023, 2024 and 2025 - supporting documentation would need to be included dating back to the earliest year the claim is requested.

All Notices of Claim are statutorily required to receive a response within 60 days of the date received. Whether your claim is consented to or disputed, you should receive either a decision letter or a meeting letter within 60 days.

If you do not receive a response within this timeframe, please contact our office by email at [email protected] or by phone at 602-506-3406.

Once your claim is processed and a decision rendered, a resolution request to correct the property class will be forwarded to the Maricopa County Treasurer's Office for further review and processing. Should you have any additional questions on the property tax refunds, please contact the Treasurer's Office by visiting their website or by calling 602-506-3406.
The Taxpayer Notice of Claim form can be found azdor.gov. or visit our Notice of Claim page for more information.
Within 60 days after receiving a Notice of Claim, our office may file a written response to the taxpayer to either consent to or dispute the error and to state the grounds for disputing the error.