Every single piece of property in (market_city) County has a unique Parcel ID assigned to it. This Parcel ID is similar to a social security number in that it is unique and never duplicated. The Parcel ID is used by everyone from the (market_city) County Tax Assessor to Spartanburg Water and Duke Energy. Having this number on hand will make buying or selling land significantly easier in (market_city) County. Here is how you can find your Parcel ID.