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Charleston County Home Building Costs

Building a house in Charleston County, South Carolina costs about $174/sq ft in 2026 — roughly $348,000 for a 2,000 sq ft mid-range home (construction only, land excluded). Population: 415,000.

County $/sq ft
$174
South Carolina avg: $155
vs State Average
+12%
Local market premium
2,000 sq ft home
$348,000
Mid-range estimate

Local Market Factors

Cost by Home Size in Charleston County

Home SizeBasicMid-RangePremium
500 sq ft$64,324$87,000$118,468
1,000 sq ft$128,649$174,000$236,936
1,500 sq ft$192,973$261,000$355,404
2,000 sq ft$257,298$348,000$473,872
2,500 sq ft$321,622$435,000$592,340
3,000 sq ft$385,947$522,000$710,809
4,000 sq ft$514,596$696,000$947,745
5,000 sq ft$643,245$870,000$1,184,681

Costs are estimates only and represent construction costs, excluding land, architect fees, permits, and landscaping. Add 30–40% to these figures for total project cost.

County multiplier of 1.12× applied to South Carolina state average (which itself is 0.87× the national average of $179/sq ft).

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Cost data: HouseBuildCalc Permit Cost Index (876,000+ building permits, 1,700+ ZIP codes), U.S. Census Bureau Survey of Construction, BLS Producer Price Index, NAHB Cost of Constructing a Home (published summaries). County-level multipliers are estimates derived from regional market data. For planning purposes only.