BY USING THIS WEBSITE OR THE CONTENT THEREIN, YOU AGREE TO THE TERMS OF USE. A spatial representation of parcel history. This polygon feature class is created and maintained through the use of a customized tool for parcel maintenance management. As parcel splits and combinations create child parcels, the parent parcels are saved out to the parcel history feature class. Retired tax parcels have been maintained since 1998. Right of way and alley vacations are also maintained in this feature class. Vacations have been maintained since Spring, 2005. The key attributes include parcel identification number (KeyPIN) and the creation date (RevisionDate).