Water Risk Profile — ZIP 29409
Flood risk, local cost data, climate factors, and insurance context for your ZIP code.
Flood Risk
High
Cost Range
$1,725–$9,775
Avg Response
42 min
NFIP
State participates
Local Climate & Risk Factors
North Charleston, South Carolina faces the combined water damage risk of Atlantic hurricane exposure, subtropical humidity, and an aging infrastructure that dates to pre-Civil War in many communities. Hurricane Hugo (1989), Floyd (1999), Matthew (2016), and Dorian (2019) have each caused widespread flooding and roof damage statewide. South Carolina's 1,000-year flooding event in October 2015 dropped 17 inches in Columbia in 24 hours, affecting inland communities far from coastal areas. SC's humidity (80–90% average RH in summer) produces mold within 24 hours of any moisture event. NFIP flood insurance is essential in coastal and river corridor communities. SC DOI regulates claim timelines.
Flood-prone areas: Chicora-Cherokee and Park Circle are low-lying neighborhoods vulnerable to Cooper River tidal surge and hurricane flooding. Pepperhill and Burton sit within the Goose Creek watershed and flood during heavy rain. Neck Area communities near Noisette Creek face recurring tidal intrusion from Charleston Harbor throughout storm season.
Water Category Cost Table — North Charleston, SC
Extraction & drying cost per square foot by IICRC water category
| Water Category | $/sq ft |
|---|---|
| Category 1 — Clean Burst supply line, clean appliance overflow | $3.15–$7.74 |
| Category 2 — Gray Dishwasher, washing machine, toilet bowl (no feces) | $7.74–$9.37 |
| Category 3 — Black Sewage backup, floodwater, toilet overflow with feces | $11–$13.86 |
Estimates exclude reconstruction (drywall, flooring replacement). National benchmarks: Cat 1 $3.75–$4.25, Cat 2 $4.10–$6.50, Cat 3 $7–$7.50/sq ft — adjusted for North Charleston market (3.7–12.6/sq ft range).