Federal Data HubCensus Building Permits · JSON

Charleston County, SC

Residential building permits · 2015–2025

Housing units authorized (2025)
3,392
Construction valuation (2025)
$1,046,190,249
By structure type (2025)
1-unit 2,401 · 2-unit 36 · 3-4 113 · 5+ 842

Units authorized by year

YearUnitsValuation
20253,392$1,046,190,249
20244,153$1,247,272,836
20234,558$1,098,202,482
20224,553$1,241,118,350
20213,863$995,026,628
20204,273$874,335,913
20193,711$747,547,125
20183,969$859,833,504
20174,788$1,025,840,547
20163,970$789,150,409
20153,936$780,604,690

The Census Building Permits Survey counts new privately-owned housing units authorized by building permits — a leading indicator of housing supply. "1-unit" is single-family; "5+ units" is larger multifamily. Figures are imputation-adjusted to cover permit offices that did not report.

Source: Census Building Permits Survey. License: CC0 1.0.