AZ · 2026 appeal calendar

Arizona Property Tax Appeal Deadlines 2026.

Arizona property tax appeal deadlines and filing windows for commercial real estate. Verify with your local assessor or appeal board for the specific jurisdiction before filing.

Updated May 2026

Verify before filing. Statutory deadlines change, and many counties operate on their own schedule inside the state framework. Always confirm the current year's window with the assessor or appeal board for the specific jurisdiction before relying on a date.

2026 appeal calendar

Arizona deadlines at a glance.

State-level deadlines plus major sub-jurisdictions where the schedule diverges from the state default. Where a column says "Varies," confirm the date with the local assessor.

Month Type Event Date Details
March RP
Value Notices Issued
1-Mar Between 1/1 and 3/1
March RP
Appeal Deadline
28-Mar 60 days from postmark, on valuation notice
April BPP
Filing Deadline
1-Apr
July BPP
Value Notices Issued
Jul-Aug Assessor must issue the valuation no later than August 30.
July BPP
Appeal Deadline
Jul-Sep 30 days from postmark on valuation notice.
December RP
Appeal Deadline
15-Dec Direct appeal to tax court deadline.

RP = Real Property · BPP = Business Personal Property · Both = Applies to both

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