The most expensive fencing mistake has nothing to do with materials. It is building in the wrong place. A fence set over a property line or against local rules can force you to tear it out and start over, sometimes after a dispute with a neighbor. A little homework upfront prevents all of it.

Confirm your property line Never guess where your boundary sits. Old assumptions, hedges, and existing fences are often wrong. Pull your property survey, and if you do not have a recent one, hire a surveyor to mark the corners. Building even a few inches over the line can require removal.

Check setback and easement rules Many municipalities require fences to sit a certain distance back from the line or from the sidewalk, and they may restrict height, especially in front yards. Utility easements can run through your yard, and you may be barred from fencing over them or required to allow access. Call your local building department before you plan post locations.

Get the permit Most areas require a permit for a new fence. It is usually inexpensive and quick, and skipping it risks fines and forced removal. Your installer often handles the permit, but confirm who is responsible in writing.

Mind HOA rules If you have a homeowners association, check its covenants for approved materials, heights, colors, and styles. HOAs can require you to remove a non-compliant fence at your own cost.

Talk to your neighbor A quick, friendly conversation before you build prevents most disputes. Share where the line is, what you plan, and which side the finished face will face. Many neighbors even split the cost of a shared fence. Good communication now is far cheaper than a boundary fight later.