If you’re building a new structure, like a shed or a fence, it’s important to have an accurate idea of where your property lines are to be sure you’re in bounds of local ordinances and building codes.

You may feel confident that you know your property lines just by looking at your house and yard. The neighbor's fence and where you mow your grass all seem to match the boundaries between other houses ...

Apps like OnX Hunt and Land ID (formerly MapRight) can be fairly close but are not perfectly accurate for property lines. In ...