More information can be found at Tax Court or Small Claims Court at 125 W Washington Phoenix AZ or call 602-506-8297. For Superior Court, please visit . 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. Get information regarding how your Maricopa County property tax bill works. Unable to load //maricopa.maps.arcgis.com/sharing/rest/portals/self?f=json&dojo.preventCache=1789639427666 status: 0 Eddie Cook brings a wealth of technological, leadership, and public service experience to the Maricopa County Assessor's Office. He was appointed in February 2020 and then elected in November 2020. Search Maricopa County Assessor records, find parcel numbers, verify property values, correct errors, file appeals, claims, and exemptions. Locates and values all property within the county. Also maintains current property ownership records and property assessment maps. Exemptions are processed annually for widow/widowers, seniors, people who are 100% disabled, and qualifying organizations.