When the joists are soft, the ledger was never flashed, or the posts are rotted at the ground, refinishing only hides the problem. Deck replacement tears the old deck out down to the footings and builds a new one with a bolted and flashed ledger, coated hardware rated for coastal air, and the decking and railings you choose.
This service is part of our deck repair in Charleston, SC. Homeowners who need it often ask about new deck construction, low-maintenance composite decking or rotted deck board replacement at the same time, so we price and schedule them together.
What a replacement includes
- Demolition and haul-away of the old deck
- New ledger, bolted and flashed to the house
- New footings, posts, beams and joists
- Joist tape on the frame to slow rot
- Decking in pine, cedar or composite
- Railings and stairs built to current code
- Permit pulled and inspections scheduled
Replace in the same footprint or go bigger
Many homeowners use a replacement to add a step-down, a wider stair or a covered section. See new deck construction for design options.
Typical cost
Replacing a 400 square foot deck typically runs about $17,000 to $28,000 in pressure-treated pine and about $25,000 to $40,000 in composite, including demolition and permits.
Areas we serve
Deck Replacement is available for homes in Downtown Charleston, West Ashley, James Island, Mount Pleasant, North Charleston, Daniel Island, Johns Island, Folly Beach, Sullivan's Island, Isle of Palms and Hanahan.
Frequently asked questions
How do I know if my deck needs replacing instead of refinishing?
If joists or posts are soft, the ledger has no flashing, or the deck moves when you walk on it, replacement is usually the safer and cheaper long-term choice. A free inspection shows you with photos.
Do I need a permit to replace a deck in Charleston?
Yes. Replacing a deck generally requires a building permit from the City of Charleston or your town or county, and some HOAs and historic districts require design approval. We handle the permit.
How long does deck replacement take?
Most replacements take one to two weeks on site after the permit is issued, depending on size, stairs and weather.
Related deck repair & replacement
All deck repair & replacementDeck Board ReplacementRailing & Stair RepairDeck Safety InspectionNew Deck ConstructionComposite Deck Installation