Revision of tax maps will occur after recording. Searching criteria can be done by owners name, property location, and parcel number. there are public computers. Start typing an address, parcel ID, or addition/plat name. After 3 characters, suggested locations will display. Click a suggestion to zoom to that location. You may search a for a Will County property's Parcel Map by its Property Index Number (also known as "Parcel ID Number" or PIN").