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Dorchester County, South Carolina Building Permits & Zoning

Regulatory data for residential homebuilders and land developers

5.3
Friction Index Moderate Regulatory Environment
Permit Timeline
32 days
4-5 weeks
Total Fees Est.
$6,850
per residential lot
Impact Fees
$4,800
per lot
Permit Fee
$1,500
residential
Plan Review Fee
$550
per application
Delay Risk
24%
probability of delay

Zoning & Requirements

Overlay Districts
FEMA Flood Hazard AreaSCO RCM Wetlands Buffer (near ACE Basin)I-26 US-17A Growth Corridor
Permitted By-Right Uses
Single-family detached dwellingAccessory structureHome occupationManufactured home on individual lot
Permitting Requirements

Process Notes

Staffing & Operations
Strong growth county serving both Charleston and Columbia metro overflow. St. George and Ridgeville areas seeing significant new residential development. Online permitting available. Staff responsive compared to neighboring Berkeley County. Septic approvals can add 2-3 weeks if SCDHEC is backlogged.
Recent Changes
Oct 2025: Dorchester County updated impact fee schedule with new road and recreation fee components. Utility capacity in northern sections of county may require developer-funded extension agreements.
Rezone Probability
18%

Contact Information

Permit Office Phone
(843) 832-0340
Official Website
https://www.dorchestercounty.net/departments/planning-and-zoning

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