The Homeowner’s Guide to Fencing

Nearly every fence failure that isn’t storm damage traces back to the posts, not the panels. A post set too shallow, poured with too little concrete, or left to rot at the ground line will eventually let the whole section lean, twist, or drop — no matter how good the pickets or panels attached to it are.

The depth that matters is below your local frost line, typically deep enough that seasonal freeze-thaw cycles can’t heave the concrete footing upward over time. A post set a few inches too shallow can look perfectly fine for two or three years before the lean becomes visible — by which point the fix is a full post reset, not a quick tighten.

A fence built even a foot over a property line can become a genuine legal problem at resale, when a title search or a new neighbor’s survey turns up the discrepancy. If you have a recorded survey or can locate the property pins yourself, that’s the cheapest way to confirm the line. If the pins are missing and the stakes are high — a shared line with a difficult neighbor, or a fence close to a setback — a licensed surveyor is worth the few hundred dollars it costs.

It’s also worth having the conversation with your neighbor before the crew shows up, even when you’re confident about the line. A fence built on or near a shared boundary is often a shared cost by local custom, and a five-minute conversation beforehand avoids a much longer one after the posts are already in the ground.

Height limits are the most common rule, typically lower in front yards than back yards, and material or color restrictions show up often in planned communities even when the city itself doesn’t regulate fencing at all. Corner lots carry their own wrinkle — many jurisdictions restrict fence height near intersections and driveways for sightline safety, which can affect where a tall privacy fence is actually allowed to start.

The reliable way to avoid a costly redo is to confirm both the city and any HOA’s rules before signing a contract, not after the posts are set. A contractor who’s worked in your area regularly should be able to tell you both answers during the quote, not leave you to research it yourself.

A trustworthy fence quote breaks out material, labor, and any demo or haul-away of an old fence as separate line items, and states plainly whether permit costs — if needed — are included or billed separately. If a quote is vague on any of those, ask before signing, not after the posts are in the ground.

Be cautious of a bid that comes in dramatically below every other estimate. The gap usually shows up later — thinner-gauge material, shallower post depth than the job actually needs, or a change order once the crew has already started and leverage has shifted to them.

• Ask what depth and diameter the posts are set at, and in what material
• Ask whether old-fence demo and haul-away are included
• Ask what covers, and get it in writing

A single leaning post, one popped board, or a gate that’s started to drag are almost always repair-scale problems, not reasons to replace an entire fence. Widespread rot at the base of multiple posts, or a fence where more than a third of the boards are cracked or missing, usually means the material itself has reached the end of its service life and a repair would just be delaying the same conversation.

If you’re not sure which category your fence falls into, a short in-person assessment usually settles it within twenty minutes — and either answer is better than paying repeatedly for patches on a fence that needed replacing from the start, or replacing a fence that only needed two new posts.