[header] How to settle property line disputes [title] Hire a licensed surveyor. [step] A licensed surveyor will use the legal description contained in your deed to locate your property's legal boundary. [substeps] You typically can find a land surveyor by searching the website of your state's licensing board. 
Expect to pay around $500 up-front for a land survey, although the surveyor's fees will vary depending on your location and the size of your lot. The surveyor typically will place posts or other markers to identify the legal property line.