Maricopa County Assessor's Office

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

News From Around Our County

2024 Notices of Value mailed
2024 Notices of Value mailed

March 1, 2023

MARICOPA COUNTY, Ariz. (Feb. 24, 2023) - Maricopa County property owners will begin receiving their 2024 Notices of Value this week. In total, the Maricopa County Assessor’s Office is sending 1,626,124 notices on Feb. 24, roughly 26 thousand mo...

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Voters Approve Property Tax Exemption Proposition
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...

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Maricopa County Assessor’s Office Launches New Technology System
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 —...

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