Building Setbacks & Zoning in Florence County, SC (2026)
3 rules for unincorporated Florence County, South Carolina.
Verified from official government sources
Setback Rules
Unincorporated Florence County sets minimum front, side and rear yard setbacks by zoning district in Table III. Sec. 30-30 requires a 25-foot front setback and 10-foot side/30-foot rear setbacks on standard R-1 lots, with wider side and rear buffers, up to 50 and 60 feet, when a non-residential use sits next to a home.
Florence County Yard Setback Minimums
Some RestrictionsFlorence County Code § 30-30
Sec. 30-30. - Table III: Zoning setbacks. District Minimum Lot Area (a) Lot Width (ft) Front Yard Setback (b) Side Yard Setback Rear Yard Setback Max Hgt. ... Res. Non-Res. Res. Non-Res. ... R-1 15,000 30,000 100 25 10 50 30 60 38 40 0.25 ... R-3 6,000 12,000 50 25 5 25 25 50 38 45 0.30 ( ... b) Measurement from front property line.
Structure Height Limits
Unincorporated Florence County caps building height at 38 feet in its standard single-family districts, R-1 through R-4, and RU-1, RU-1A and RU-2, under Table III. The R-5 and R-5A multi-family districts allow up to four stories, and commercial buildings over 35 feet need fire department sign-off on ladder access.
Florence County Residential Height Limits
Some RestrictionsFlorence County Code § 30-30
Sec. 30-30. - Table III: Zoning setbacks. District ... Max Hgt. (ft) (c) ... R-1 15,000 30,000 100 25 10 50 30 60 38 40 0.25 ... R-5 6,000 12,000 50 25 5 25 20 40 4 stories 70 0.30 ... R-5A 6,000 12,000 50 25 5 25 20 40 4 stories 70 0.30 ... (e) There is no maximum: provided side and rear setbacks shall increase by one foot for each two feet in height over 35 feet for buildings outside of the B...
Lot Coverage Limits
Unincorporated Florence County caps how much of a lot may be covered by buildings and pavement through Table III's impervious surface ratio. Sec. 30-30 limits R-1 single-family lots to 40 percent impervious cover and the RU-2 rural resource district to just 20 percent, while the B-4 downtown commercial district allows up to 100 percent.
Florence County Max Lot Coverage by Zone
Some RestrictionsFlorence County Code §§ 30-30, 30-80.5(c)
Sec. 30-30. - Table III: Zoning setbacks. District ... Max Imper- vious Surface Ratio (%) ... R-1 15,000 30,000 100 25 10 50 30 60 38 40 0.25 ... R-2 10,000 20,000 80 25 8 25 25 50 38 45 0.30 ... R-5 6,000 12,000 50 25 5 25 20 40 4 stories 70 0.30 ... RU-2 87,120 43,560 200 35 15 50 30 60 38 20 0.15 ... B-1 5,000 5,000 50 35 5 5(f) 20 20(f) 38 70 0.30 ... B-4 NA None None None NA None NA None (...
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