Building Setbacks & Zoning in Columbia County, GA (2026)
3 rules for unincorporated Columbia County, Georgia.
Verified from official government sources
Setback Rules
Front, side and rear yard setbacks in Columbia County's residential districts are set by the § 90-53 lot and structure requirements table, running from a 125-foot front setback on an arterial street in the rural R-A district down to a 10-foot side setback in denser zones.
Columbia County Yard Setback Minimums by Zone
Some RestrictionsColumbia County, GA, Code of Ordinances § 90-53(e)-(g)
(e) Minimum front building setback from street centerline (ft.): (1) Arterial street 125 115 110 110 105 105 110 125 125 125 (2) Collector street 90 80 80 75 70 70 75 90 90 90 (3) Service drive (from property line) 25 25 20 20 20 20 20 20 40 40 (4) Local street or land service street 75 65 60 55 50 50 55 45 75 75 (f) Minimum rear building setback (ft.) 25 25 20 10 10 10 10 40 40 40 (g) Minimum ...
Structure Height Limits
Every one of Columbia County's ten residential zoning districts, from the rural R-A district to the densest A-R10 apartment district, shares an identical maximum building height of 55 feet under the Code of Ordinances § 90-53(h) lot and structure requirements table, with no reduction for smaller lots.
Columbia County Residential Building Height Limit
Some RestrictionsColumbia County, GA, Code of Ordinances § 90-53(h)
R-A R-1 R-1A R-2 R-3 R-3A R-4 T-R A-R A-R10 ... (h) Maximum building height (ft.) 55 55 55 55 55 55 55 55 55 55
Lot Coverage Limits
Columbia County caps how much of a residential lot can be covered by the house and accessory structures under Code of Ordinances § 90-53(b), ranging from a strict 20 percent in the rural R-A district up to 50 percent in denser R-2 through A-R10 districts.
Columbia County Maximum Lot Coverage Limits
Some RestrictionsColumbia County, GA, Code of Ordinances § 90-53(b)
R-A R-1 R-1A R-2 R-3 R-3A R-4 T-R A-R A-R10 ... (b) Maximum lot coverage by principal building and accessory structures (percentage) 20 30 40 50 50 50 50 50 50 50
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