[header] How to claim land [title] Make sure you understand what is meant by abandoned land. [step] This lists all taxable property within a given jurisdiction. The roll will tell you how much the land is worth, whether it's been claimed, and whether there's an outstanding tax bill that needs to be paid on the property. 
[substeps] Many counties have digitized this list onto a county-wide parcel assessor website. Search for " xyz county parcel assessor ".