The Assessor annually notices and administers over 1.8 million real and personal property parcels/accounts with a full cash value of more than $717 billion in 2022
Services and Products
Customer Portal
Create an online account to file forms, search properties, file an appeal, and much more online.
e-Notices
The Maricopa County Assessor's Office now offers electronic notices, eNotices, for your Notice of Valuation.
BPP E-Filing
File your Business Personal Property online!
Educational Videos
Check out our educational videos for more information.
News From Around Our County
Voters Approve Property Tax Exemption Proposition
November 16, 2022
Arizona voters have approved Proposition 130, amending the state law on property tax exemptions. Our office is currently updating the related forms and processes before the next application period opens.
Among other changes, Proposit...
Maricopa County Assessor’s Office Launches New Technology System
October 13, 2022
Our office has launched a new technology system to manage the 1.8 million real estate assessments processed by our team each year.
The new system is called AA-GAMA — Assessment Analyst-Geographic Assisted Mass Appraisal —...
Read our Fiscal Year 2022 Annual Report
September 13, 2022
Our office prides itself on providing the best service to property owners at the lowest expense to taxpayers. We also do our best to document and communicate our efforts internally and externally. We invite you to learn more about some of our most recent a...
Read more