Most decks don't fail all at once. A board cups, a railing wobbles, then one day you're wondering if the whole thing needs to come down. The honest answer depends on exactly two things: what's actually damaged, and what it costs to fix versus rebuild. Here's how to sort that out before you call anyone.
Cosmetic vs. Structural: The Difference That Actually Matters
Cosmetic problems are annoying but not dangerous: faded or splintering boards, loose railing pickets, surface mold, a squeaky step. These are repair jobs, full stop. Structural problems are different — they involve the parts of the deck holding the whole thing up: the ledger board (where the deck attaches to the house), the footings, the posts, and the main support beams. If damage is in any of those, "repair" starts to mean something closer to "partial rebuild," and the math changes fast.
A simple way to triage: if you can point to the damage and say "that board" or "that railing section," you're likely looking at repair. If you're pointing at "where it meets the house" or "underneath, near the ground," you're in structural territory and need someone who can actually inspect it, not just patch it.
The Two Dealbreakers: Ledger Board and Footings
These are the components that decide whether repair is even an option:
- The ledger board. This is the board bolted to your house's rim joist that carries a big share of the deck's total weight. North Carolina's residential code spells out specific bolt spacing, flashing, and attachment requirements for ledgers because a failed ledger connection is the single most common cause of deck collapses nationally. Rot, rust streaks around the bolts, or gaps between the ledger and the house are not cosmetic — they're a structural red flag.
- Footings and posts. Footings are required to be a minimum of 12 inches into the soil in Wake County