The Assessor annually notices and administers over 1.8 million real and personal property parcels and accounts with a full cash value of more than $1 trillion.
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!
Maricopa Title Alert
Safeguard your interests with FREE Public Service document registration notifications, provided courtesy of the Maricopa County Recorder's Office
Educational Videos
Check out our educational videos for more information.
News From Around Our County
Over 1.7 Million Notices of Value Sent
February 20, 2025
MARICOPA COUNTY, Ariz. (Feb. 20, 2025) - The Maricopa County Assessor's Office is sending Notices of Value to more than 1.7 million property owners this week, about 14 thousand more than last year. These Notices are for real property for the 2026 tax y...
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Maricopa County Assessor's Office Receives Summit Award for Innovative Training and Development Program
December 13, 2024
MESA, Ariz. (Dec. 13, 2024) – The Maricopa County Assessor’s Office has been recognized by the Arizona Association of Counties (AACo) with a 2024 Summit Award for its dynamic training program and Team Development and Collaborat...
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Fiscal Year 2024 Annual Report
September 26, 2024
We are pleased to present the 2024 Fiscal Year Annual Report for the Maricopa County Assessor’s Office, a comprehensive ...
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