5 county-level rules, plus city-specific rules for 4 cities in Cobb County, Georgia.
Verified from official government sources
Cobb County (unincorporated) does NOT have an approved ADU ordinance as of 2025 — a 2024 draft was withdrawn by Board of Commissioners. Interior conversions allowed under existing residential building rules.
Cobb County Building Division — sheds and accessory structures require building permits. Must comply with Ch. 134 zoning setbacks. No habitation in sheds. Outdoor storage generally prohibited in residential zones.
Garage conversions to living space in Cobb County require a building permit and compliance with IRC/2024 Georgia codes. Original parking minimums must still be satisfied. ADU rules do not currently apply (no ADU ordinance).
Cobb County requires building permits for carport construction. Must meet zoning setbacks for accessory structures. Attached carports treated as home additions with full permit review.
Cobb County has no specific tiny home ordinance. Foundation-built tiny homes must meet Cobb minimum dwelling standards and IRC. Tiny homes on wheels classified as RVs — long-term residential occupancy not permitted in residential zones.
4 cities in Cobb County have their own accessory structures rules. Each link goes to that city's dedicated page with code citations.
See every category we cover for Cobb County — parking, noise, fences, fires, animals, pools, and more.
Cobb County Ordinance Hub →