The county assessor’s records contain a variety of valuable information, including the assessed value of the property for tax purposes and some of the physical aspects of the property, such as the reported square footage. The date built information in the assessor’s records can be either the actual or effective/weighted age if the residence has been remodeled. All information on the site should be verified for accuracy. Information is available on county websites:
Coconino: www.coconino.az.gov
Maricopa: www.maricopa.gov/assessor and http://treasurer.maricopa.gov/parcels/
Pima: www.co.pima.az.us/navigate.aspx?L1=1&L2=11
Yavapai: www.co.yavapai.az.us/
Other counties: www.az.gov/webapp/portal