A Maricopa County property valuation appeal starts with the yearly Notice of Value from the County Assessor. If you think the full cash value or legal class is wrong, you file a Petition for Review within 60 days of the date the notice was mailed, and the deadline is printed on your notice. Further appeals go to the State Board of Equalization or court.

Maricopa County valuation appeals at a glance

  • The notice: the Assessor mails real property Notices of Value on or before March 1. Each notice covers the upcoming tax year, about a year ahead of the tax bill.
  • What it lists: legal classification, full cash value, limited property value, assessment ratio and assessed value, for the current and prior year.
  • What you can appeal: full cash value and legal class. The Assessor says limited property value is not an appealable value.
  • Deadline: 60 days after the notice was mailed, under Arizona law (A.R.S. 42-16051). Use the date printed on your notice.
  • How to file: online through the Assessor's Customer Portal, or by mail or in person with Arizona Department of Revenue form 82130R. The Assessor does not accept appeals by email.
  • Next steps if you disagree: the State Board of Equalization, or court, each with its own deadline.
  • Related reading: Arizona senior property tax freeze.
  • This page is general information, not legal or tax advice. I do not quote values or tax amounts here.

Call Terry: 602-483-4665

Why the Notice of Value matters after you move

Clients who just bought a home in Greater Phoenix often hand me a Notice of Value and ask if it is a bill. It is not. The notice comes from the Maricopa County Assessor and tells you how your home is valued and classified for a future tax year. The tax bill itself comes later from the County Treasurer, and the Assessor says tax statements are issued in September.

The notice is the one piece of mail where timing really counts. Once the appeal window closes for that notice, your options narrow. So when it arrives, read it that week, not when you get around to the pile on the counter.

How to read the notice

Start at the top. The Assessor says the tax year the notice applies to is printed there, and real property notices are issued a year ahead of the tax bill. Then look at these items:

  • Full cash value (FCV). The Assessor describes this as essentially market value, covering the land and any improvements. This is the value you can appeal.
  • Limited property value (LPV). A value set by a formula in state law to limit large tax increases. It cannot be higher than full cash value, and the Assessor says it is not an appealable value.
  • Legal classification. This is how the property is classed for tax purposes. A home you live in full time that shows up classed as a rental is one of the problems the Assessor's appeals page names directly.
  • Assessment ratio and assessed value. These are listed too, for the current and prior year, so you can see the change from last year.

Check the parcel details while you are at it. If the square footage or year built looks wrong, that points to a different form, covered below.

Pick the right path first

The Assessor's appeals page separates a few common situations, and choosing the right one saves time:

  • Petition for Review of Valuation. You disagree with the value or classification on this year's notice, for example because the value does not reflect market value.
  • Notice of Claim. For factual errors, such as square footage or year built, or classification errors in the current or past three tax years. The Assessor says an approved claim may lead to a refund if you overpaid.
  • Residential Legal Class Change. For a home that recently became your primary residence. The Assessor asks for documents showing the same name and property address, such as a driver's license and voter registration plus one more item like a utility bill. When in the year the change happened affects which tax years it applies to, so read the current rules on the live page.

A valuation appeal is also not the same thing as the senior valuation freeze. For that program, see my post on the Arizona senior property tax freeze.

Filing a Petition for Review with the Assessor

  1. Find your deadline. Arizona law gives you 60 days after the date the Assessor mailed the notice. The Assessor also notes that appeals cannot be filed until after notices are mailed.
  2. Gather support. The Assessor lists recent appraisals, comparable sales or proof of legal classification as examples. Its page warns that appeals without documentation may be denied.
  3. File it. The Assessor recommends the online Customer Portal. You can also mail or hand in the Residential Petition for Review of Valuation, Arizona Department of Revenue form 82130R. Emails are not accepted for real property appeals.
  4. Wait for the decision. The Assessor's handout says the office must answer notice-of-value appeals by a set date that summer. Keep copies of everything you sent.

If you disagree with the Assessor's decision

In general terms, there are two roads after the Assessor rules:

  • State Board of Equalization (SBOE). In Maricopa and Pima counties, the SBOE hears these appeals. Its site says to file within 25 days of the date the Assessor's decision was mailed to you, online or by mail or hand delivery, with a copy of your original petition and the Assessor's decision. The SBOE does not accept appeals by fax or email. A hearing officer hears from you and the Assessor's Office.
  • Court. The SBOE site says you can skip the Board and appeal to Tax Court within 60 days of the Assessor's decision, or appeal a Board decision within 60 days of the date it was mailed. Maricopa County appeals are filed with Maricopa County Superior Court. The Assessor's handout also describes a small claims option for some owner-occupied homes and a December 15 court deadline for owners who skip the administrative steps.

Court rules have more conditions than I can cover here. If you are heading that way, read the Assessor handout and the SBOE pages closely, and consider talking with a tax professional or attorney.

Tips for snowbirds and new owners

  • If your mail is forwarded, a 60-day window can shrink fast. Snap a photo of the notice the day it arrives and put the deadline on your calendar.
  • Keep the notice with your closing file and your retiring to Arizona checklist.
  • Look at your legal class right after you move in. If the home is your primary residence and the notice says otherwise, check the legal class change path.
  • The Assessor's handout has a separate rule for new owners who bought after the prior owner's appeal window. Ask the Assessor how it applies to your purchase date.

Maricopa County property valuation appeal: questions people ask

When do Maricopa County Notices of Value come out?

The Assessor says real property notices are sent on or before March 1 and cover the upcoming tax year. Personal property notices, such as some mobile homes, follow a later schedule.

What is the deadline to appeal my property valuation?

Sixty days after the date the Assessor mailed your Notice of Value, under A.R.S. 42-16051. Use the date printed on your notice and confirm it on the Assessor's appeals page.

Can I appeal my limited property value?

No. The Assessor says limited property value is set by state law and is not an appealable value. Appeals cover full cash value and legal classification.

Can I file my appeal online?

Yes. The Assessor recommends its online Customer Portal. Mail and in-person filing with form 82130R also work. Email is not accepted.

What if the Assessor denies my appeal?

You can appeal to the State Board of Equalization within 25 days of the decision's mailing date, or go to Tax Court within 60 days. Check the SBOE site for current steps.

Is the Notice of Value my tax bill?

No. The Treasurer's Office calculates and mails tax statements, which the Assessor says are issued in September.

Official sources: Maricopa County Assessor appeals, Assessor Notice of Value FAQ, ADOR form 82130R, State Board of Equalization and A.R.S. 42-16051. This page is general information and is not legal or tax advice.

I am Terry Day, REALTOR® with DeLex Realty. I do not file valuation appeals for owners, but I can help you keep your Assessor paperwork straight while you buy or sell a home in Greater Phoenix, including in the 55+ communities. Call me with your questions.

Call Terry: 602-483-4665