Building Setbacks & Zoning in Glynn County, GA (2026)
3 rules for unincorporated Glynn County, Georgia.
Verified from official government sources
Setback Rules
In Glynn County's R-6, R-9, M-6, M-9, Mh-6 and Mh-9 one-family residential districts, homes must sit back at least 20 feet from the front property line, seven feet from each side line, and seven feet from the rear line, unless the zoning ordinance's own cross-referenced exceptions apply.
Glynn County Yard Setback Minimums
Some RestrictionsGlynn County Zoning Ordinance § 701.5
701.5Other Requirements. Unless otherwise specified elsewhere in this ordinance, uses permitted in R-6, R-9, M-6, M-9, Mh-6 and Mh-9 Zoning Districts shall be required to conform to the following conditions: ... 5)Minimum Front Yard: 20 feet. For exceptions to this requirement, see Article VI, Section 606.6)Minimum Side Yard: Seven feet on each side. For side yard requirements pertaining to cor...
Structure Height Limits
Homes and other buildings in unincorporated Glynn County's standard one-family residential districts top out at 35 feet under Section 701.5(8), the same ceiling used across most R-6 through RE zoning. St. Simons Island carries its own scenic-area rule: Section 502(b) allows buildings up to 45 feet and four stories, but caps habitable stories at three, reserving the top level for storage or mechanical equipment.
Residential Building Height Limits in Glynn County
Some RestrictionsGlynn County Zoning Ordinance § 502(b); § 701.5(8)
(b)Inasmuch as St. Simons Island is designated as an Area of Scenic Beauty and Historic Interest, no building on St. Simons Island shall be erected, altered or moved so as to exceed forty-five (45) feet in height nor shall such building include more than four (4) stories. On St. Simons Island, no more than three (3) of the stories shall be habitable. The area above the uppermost habitable story...
Lot Coverage Limits
Glynn County caps site coverage, the share of a lot covered by buildings, parking, driveways, pools, and similar improvements, mainly through district-specific rules on St. Simons Island and Sea Island. Section 503.3 ties those limits to the Resort Residential, Medium Residential, and General Residential districts on the Islands, and the RR Resort Residential District itself sets that cap at 50 percent of the development area under Section 705.5(6).
Lot Coverage Limits in Glynn County, GA
Some RestrictionsGlynn County Zoning Ordinance § 503.3; § 705.5(6)
503.3Site Coverage. Inasmuch as St. Simons Island and Sea Island are designated as Areas of Scenic Beauty and Historic Interest, no dwelling or dwellings (exclusive of a single-family dwelling on an individual zoning lot) or accessory structures shall hereafter be used or occupy land area in excess of the prescribed site coverage regulations for the zoning districts Resort Residential, Medium R...
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