10×8 Deck Cost in South Carolina
A 10×8 (80 sqft) deck in South Carolina costs $3,680-$5,920 in mid-tier composite with the state's 0.92× labor multiplier (South). An 8×10 deck (80 sqft) is the smallest practical deck size — barely fits a 4-person bistro set. Most affordable build in this list. South Carolina labor 0.92× national. Charleston-area salt-air — 316SS hardware.
5 finish tiers — 10×8 in South Carolina
National $/sqft × South Carolina's 0.92× labor multiplier × 80 sqft = total installed cost. Materials + labor + standard railing included.
Excludes permit ($105-$259 typical in South Carolina), demolition (if replacing), and exceptional framing for 6″ frost depth. SC permits $130-220. Coastal counties hurricane uplift.
10×8 framing notes for South Carolina
South Carolina considerations
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FAQ — 10×8 deck in South Carolina
How much does a 10×8 deck cost in South Carolina?▾
In South Carolina, a 10×8 (80 sqft) deck costs $1,840-$2,960 in pressure-treated, $3,680-$5,920 in mid-range composite (Trex Transcend / Fiberon Sanctuary), and $5,520-$8,080 in luxury composite/PVC (TimberTech AZEK / Trex Signature). Numbers reflect South Carolina's 0.92× labor multiplier on 2026-Q1 retail.
What's the cheapest way to build a 10×8 deck in South Carolina?▾
Cheapest = ground-level pressure-treated pine with no railings (where exempt under 30″ height) — ~$1,472-$2,208 in South Carolina. Add stairs + railings + above-grade framing and the build goes to ~$2,061-$2,944. DIY saves 30-50% on labor but requires permit + inspection coordination yourself.
How long does it take to build a 10×8 deck in South Carolina?▾
Permit timeline in South Carolina: 2-6 weeks depending on jurisdiction. Construction time for a 10×8: pro crew = 3-5 days for framing + boards + railings + stairs. DIY = 2-3 weekends for experienced DIYer. Allow extra time for permit approval + inspections.
What framing do I need for a 10×8 deck in South Carolina?▾
IRC R507-compliant framing for a 10×8 deck typically uses 2×8 joists at 16″ OC for spans up to 12 ft, 2×10 joists for spans 12-16 ft. South Carolina's frost depth is 6″ — footings must extend below that per IRC R403.1.4. Sonotube 10-12″ diameter at 6″ depth is typical. Verify with your local building department.
Is composite worth it for a 10×8 deck in South Carolina?▾
Over 25 years in South Carolina: PT pine = ~$2,208 install + ~$4,600 maintenance (stain every 2-3 yr) = $6,808 total. Mid composite = ~$4,269 install + $0 maintenance = $4,269 total. Composite wins by 59-81% over 25-yr lifecycle PLUS better resale value in South Carolina's market.