Berkeley County, SC Building Setbacks & Zoning: Lot Coverage Limits (2026)
Key Facts
- Max impervious coverage
- 50% of lot area
- What counts as impervious
- Buildings, roofs, paved/concrete/asphalt surfaces
- Coverage base
- Gross acreage of the site
- Applies district-wide
- Same 50% in other urban residential zones
- Violation penalty
- Up to $500 fine / 30 days per § 20.6
Summary
Berkeley County caps impervious surface in its R1 single-family district at 50 percent of the lot. That single-line standard in section 5.1.10 covers the house, driveway, patio, and any other paved or roofed area, and it repeats with the same 50 percent number across the county's other urban residential zoning districts.
5.1.10. Building requirements. A. Impervious coverage: 50 percent maximum. B. Building height: Less than 40 feet to the highest part of the structure. The height limits contained in the airport overlay district, as regulated by article 10, may apply additional height limitations to a specific piece of property.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 37).
Full Breakdown
58 defines "impervious surface" broadly to include "all buildings, roofs, paved surfaces that do not use porous pavement, sidewalks, and surfaces covered by concrete or asphalt," plus "other areas that meet the meaning of this definition," so the cap reaches far more than just the footprint of the house. The same 50 percent maximum is not unique to R1; it repeats verbatim at the equivalent building-requirements sections for the county's other urban residential districts, meaning a homeowner cannot buy into a different single-family zone to get a looser coverage allowance.
54 ties the calculation to "gross acreage," defined as "the total area contained within the perimeter of a site," which is the figure used in determining the maximum area that can be covered by impervious surfaces. Because the coverage cap sits in the same building-requirements section as the height limit, both dimensional standards are reviewed together when the planning and zoning department checks a building permit application or a residential plot plan against the site plan.
Violations & Fines
Exceeding the 50 percent impervious coverage maximum without an approved variance is a zoning ordinance violation. Section 20.6 makes any zoning violation a misdemeanor carrying a fine of up to $500, up to 30 days in jail, or both, with each day of the over-coverage condition treated as a separate offense; the zoning administrator can also require removal or mitigation of excess paving under the remedial-action powers in section 20.7. A property owner seeking relief from the 50 percent cap must apply for a variance through the board of zoning appeals under article 21.
Frequently Asked Questions
How much of my lot can I pave or build on in Berkeley County's R1 district?
Does a gravel driveway count toward the impervious coverage limit?
Is the 50 percent coverage cap different in other Berkeley County residential zones?
Sources & Official References
Other rules in Berkeley County
Compare Berkeley County to another location·View the South Carolina building setbacks & zoning overview
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