What happens if you skip the permit (and you needed one)
- Stop-work orders issued by Florence Building Department carry $500–$1,500 fines and typically require removal of the unpermitted structure; you'll also owe double the original permit fee when you pull retroactively.
- Homeowners insurance may deny claims related to deck failure or injury if the deck was built without a permit, leaving you liable for medical bills or property damage ($10,000+).
- When you sell, South Carolina's transfer disclosure statement (TDS) requires disclosure of unpermitted work; buyers often cancel or demand $5,000–$15,000 off the sale price.
- Mortgage lenders may require removal of unpermitted structures before refinancing or may deny the loan outright, stalling your closing for months.
Florence, SC attached deck permits — the key details
Florence Building Department applies IRC R507 (Decks) as the foundation of its requirements. Any deck attached to a house — meaning the deck band board or ledger is bolted or nailed to the house rim joist — requires a permit application, building permit, and plan review before work starts. The IRC R507.9 ledger attachment detail is the single most-cited issue in Florence deck rejections: your ledger must be flashed with L-channel or Z-flashing that diverts water away from the house rim, bolted to the rim joist with ½-inch bolts at 16 inches on center, and detailed on your permit drawings. Frost depth in Florence is 12 inches, so all footings must extend below that depth (typically 18 inches in practice). Post-to-beam connections must use approved lateral load devices (Simpson Strong-Tie DTT or equivalent) where the deck band board attaches to the ledger, resisting the horizontal and uplift forces that occur when the house and deck flex independently. Ground-level decks (less than 30 inches above finished grade) that are freestanding — not attached to the house — may be exempt if they're under 200 sq ft, but the moment you tie a ledger to the house, you've crossed the permit threshold.
Contact city hall, Florence, SC
Phone: Search 'Florence SC building permit phone' to confirm
Typical: Mon-Fri 8 AM - 5 PM (verify locally)