Accessory Structures in Georgia (2026)
123 rules on the books across Georgia, 47 cities and counties. Select a rule to read the full details.
Severity: Few Restrictions · Light Restrictions · Some Restrictions · Significant Restrictions · Heavy Restrictions
ADU Rules
Rules for building accessory dwelling units (granny flats, in-law suites) including size limits, parking requirements, and owner-occupancy rules.
Alpharetta
Significant RestrictionsAlpharetta's Unified Development Code allows a 'For-Sale' accessory dwelling above or behind a commercial or office…
Read full rule →Cherokee County
Significant RestrictionsCherokee County's zoning code does not create an accessory dwelling unit category. Zoning Ordinance Section 5.6 instead…
Read full rule →Clayton County
Significant RestrictionsClayton County allows accessory dwellings (garage quarters, guest houses, caretaker houses and mother-in-law suites)…
Read full rule →Houston County
Significant RestrictionsHouston County's Land Development Regulations do not let anyone add a second house or mobile home to a residential lot…
Read full rule →Jackson County
Significant RestrictionsUnincorporated Jackson County does not allow a general-purpose accessory dwelling unit; it only permits an accessory…
Read full rule →Marietta
Significant RestrictionsMarietta allows one accessory dwelling unit per lot as a director-approved temporary/conditional use under Section…
Read full rule →Paulding County
Significant RestrictionsPaulding County allows a detached guest house, its version of an accessory dwelling unit, only as a Special Exception…
Read full rule →Warner Robins
Significant RestrictionsA second house or mobile home on one Warner Robins residential lot is not a by-right accessory dwelling: it requires a…
Read full rule →Acworth
Some RestrictionsAcworth allows one accessory dwelling unit per lot with a single-family detached home, capped at half the principal…
Read full rule →Atlanta
Some RestrictionsAtlanta allows one accessory dwelling unit per single-family lot in the R-4, R-4A and R-5 districts, capped at two…
Read full rule →Barrow County
Some RestrictionsBarrow County allows one detached guest house per lot as an accessory dwelling for relatives, domestic employees or…
Read full rule →Bartow County
Some RestrictionsUnincorporated Bartow County allows one accessory dwelling unit per lot in residential districts and A-1, capped at 50…
Read full rule →Brookhaven
Some RestrictionsIn the City of Brookhaven, Georgia, section 27-133 allows accessory dwelling units only on lots occupied by a detached…
Read full rule →Bulloch County
Some RestrictionsIn unincorporated Bulloch County, one accessory dwelling per lot, garage apartment, in-law suite or guesthouse, is…
Read full rule →Catoosa County
Some RestrictionsUnincorporated Catoosa County allows one freestanding accessory dwelling per lot in single-family detached residential…
Read full rule →Chatham County
Some RestrictionsAccessory dwelling units in Savannah and unincorporated Chatham County are governed by the joint NewZO zoning ordinance…
Read full rule →Columbia County
Some RestrictionsAn ancillary dwelling, Columbia County's term for a garage apartment or accessory dwelling unit, needs a lot of at…
Read full rule →Columbus
Some RestrictionsColumbus, Georgia's Unified Development Ordinance recognizes four accessory dwelling types on a residential lot…
Read full rule →Coweta County
Some RestrictionsIn Coweta County's Village Center district, one accessory dwelling unit is allowed by right on any single-family…
Read full rule →Decatur
Some RestrictionsIn the City of Decatur, Georgia (DeKalb County), an accessory dwelling unit is a limited use allowed only behind a…
Read full rule →DeKalb County
Some RestrictionsUnincorporated DeKalb allows attached, detached or converted accessory dwelling units by right on lots of at least…
Read full rule →Effingham County
Some RestrictionsAccessory dwelling units are allowed in every Effingham County residential and agricultural-residential district that…
Read full rule →Fayette County
Some RestrictionsUnincorporated Fayette County allows exactly one guesthouse per lot, capped at 700 square feet of heated and finished…
Read full rule →Floyd County
Some RestrictionsIn unincorporated Floyd County, a guesthouse is the closest thing the Unified Land Development Code has to an accessory…
Read full rule →Forsyth County
Some RestrictionsForsyth County allows one accessory apartment per lot, attached or detached, under UDC §§ 16-4.1 and 16-4.2, but not…
Read full rule →Fulton County
Some RestrictionsUnincorporated Fulton County allows one detached accessory dwelling, called a guest house, per single-family lot in…
Read full rule →Gordon County
Some RestrictionsIn unincorporated Gordon County, Georgia, the Unified Land Development Code allows one accessory dwelling inside a…
Read full rule →Gwinnett County
Some RestrictionsUDO § 210-140.10 allows one detached accessory dwelling per lot in Gwinnett County's residential districts, capped at…
Read full rule →Hall County
Some RestrictionsHall County allows one accessory dwelling unit (ADU) per principal home, capped between 300 and 1,000 square feet and…
Read full rule →Johns Creek
Some RestrictionsJohns Creek allows a detached accessory dwelling unit, called a Guest House, on single-family lots. Zoning Ordinance…
Read full rule →Macon Bibb County
Some RestrictionsMacon-Bibb County allows one accessory dwelling unit per lot as a conditional use under Section 23.01.01 of the…
Read full rule →Rockdale County
Some RestrictionsUnincorporated Rockdale County allows a caretaker or employee accessory dwelling under Sec. 218-13(r) of the Unified…
Read full rule →Roswell
Some RestrictionsRoswell, Georgia treats a backyard ADU as a 'carriage house': a conditional or limited use requiring City Council or…
Read full rule →South Fulton
Some RestrictionsSouth Fulton permits one detached guest house per single-family lot for relatives, guests, or on-site employees, but…
Read full rule →Stonecrest
Some RestrictionsIn the City of Stonecrest, a homeowner on a single-family lot of at least 10,000 square feet can add one accessory…
Read full rule →Troup County
Some RestrictionsUnincorporated Troup County permits one accessory dwelling per principal home under UDO Sec. 7.3(2), built no closer…
Read full rule →Walker County
Some RestrictionsIn unincorporated Walker County, accessory apartments are a listed part of the Residential use category, so an ADU is…
Read full rule →Walton County
Some RestrictionsWalton County allows guest houses by right on agricultural and R-1 lots of 1.2 acres or larger with county water (2.4…
Read full rule →Spalding County
Light RestrictionsUnincorporated Spalding County treats a mother-in-law suite as a permitted accessory use in agricultural and…
Read full rule →ADU Owner Occupancy
Whether the property owner must live on-site to operate an ADU, deed-restriction requirements, and recent state-law changes lifting owner-occupancy rules.
Brookhaven
Significant RestrictionsSection 27-133(g) of the Brookhaven Code requires an owner with at least a 50 percent interest to occupy either the…
Read full rule →Catoosa County
Significant RestrictionsIn unincorporated Catoosa County, adding a freestanding accessory dwelling to a single-family lot comes with a…
Read full rule →Clayton County
Significant RestrictionsIn the TOD Residential Support (RT) Overlay near future transit stations, Clayton County requires the lot holding an…
Read full rule →Jackson County
Significant RestrictionsFor the only accessory-dwelling option unincorporated Jackson County allows, the property owner must personally live in…
Read full rule →Stonecrest
Significant RestrictionsIn the City of Stonecrest, an accessory dwelling unit is not an investment rental: Zoning Ordinance Sec. 4.2.3(C)(3)…
Read full rule →Alpharetta
Some RestrictionsIn Alpharetta's O-P office-professional zoning district, the Unified Development Code lets a business add a 'For-Sale'…
Read full rule →Barrow County
Some RestrictionsIn unincorporated Barrow County, a homeowner may add a second cooking facility for relatives inside a single-family…
Read full rule →DeKalb County
Some RestrictionsIn unincorporated DeKalb County, the property owner must live in either the main house or the accessory dwelling unit…
Read full rule →Floyd County
Some RestrictionsIn unincorporated Floyd County, an accessory apartment is allowed only where the property's principal home is…
Read full rule →Gwinnett County
Some RestrictionsGwinnett County will not issue a Certificate of Occupancy for an accessory dwelling unit unless the primary…
Read full rule →Macon Bibb County
Some RestrictionsMacon-Bibb County will not permit an accessory dwelling unit unless the property owner actually lives on site. Section…
Read full rule →Marietta
Some RestrictionsMarietta lets homeowners in the R-1 through R-4 single-family districts build one accessory dwelling unit as a…
Read full rule →Roswell
Some RestrictionsRoswell's UDC requires the owner of a detached house to personally occupy either the main house or its carriage house…
Read full rule →ADU Rental Restrictions
Whether an ADU can be rented short-term (Airbnb), 30-day minimums, separate rental licenses, and long-term lease requirements.
Bartow County
Heavy RestrictionsIn unincorporated Bartow County, an accessory dwelling unit such as a guest house, pool house or garage apartment…
Read full rule →Columbus
Heavy RestrictionsColumbus, Georgia's accessory dwelling table bars renting out any of the four accessory dwelling types the UDO allows…
Read full rule →Marietta
Heavy RestrictionsMarietta bars renting out a backyard accessory dwelling unit to anyone. Section 708.01(C)(2)(c) states flatly that no…
Read full rule →Fayette County
Significant RestrictionsUnincorporated Fayette County allows one guesthouse per lot as a residential accessory structure, but county code…
Read full rule →Fulton County
Significant RestrictionsFulton County's guest house zoning standard bars charging rent: § 19.3.5(B)(1) limits occupancy of an…
Read full rule →Gordon County
Significant RestrictionsIn unincorporated Gordon County, Georgia, a freestanding accessory dwelling shall only be occupied by family members…
Read full rule →South Fulton
Significant RestrictionsSouth Fulton's Zoning Ordinance Sec. 303.09 allows one guest house per lot, but only for relatives, guests or on-site…
Read full rule →Effingham County
Light RestrictionsEffingham County allows accessory dwelling units to be rented out for long-term residential occupancy without…
Read full rule →Shed & Carport Rules
When a storage shed or carport needs a permit, the square-footage exemption thresholds, and the setback and height limits that apply either way.
Acworth
Some RestrictionsAcworth caps every lot at two accessory structures, each no taller than 20 feet, with a combined footprint no larger…
Read full rule →Alpharetta
Some RestrictionsA backyard shed or tool room in the City of Alpharetta must keep a 10-foot setback from the rear and side lot lines, or…
Read full rule →Atlanta
Some RestrictionsBackyard sheds and other accessory buildings in Atlanta's R-1 through R-5 districts cap out at 20 feet tall, 25% of the…
Read full rule →Augusta-Richmond County
Some RestrictionsIn Augusta-Richmond County R-1 zoning, accessory buildings and sheds are capped at one story and 18 feet, banned from…
Read full rule →Barrow County
Some RestrictionsIn unincorporated Barrow County, a small shed of 144 square feet or less only needs to sit five feet from any property…
Read full rule →Brookhaven
Some RestrictionsSection 27-696 of the Brookhaven Code exempts one accessory building or structure of up to 120 square feet on each lot…
Read full rule →Bulloch County
Some RestrictionsIn unincorporated Bulloch County, a shed or other detached accessory building must sit at least ten feet from the…
Read full rule →Carroll County
Some RestrictionsUnincorporated Carroll County exempts one-story detached tool sheds, storage sheds, and playhouses under 200 square…
Read full rule →Catoosa County
Some RestrictionsIn unincorporated Catoosa County, sheds and other accessory structures must clear the same yard rules as any building…
Read full rule →Chatham County
Some RestrictionsIn unincorporated Chatham County, a building permit is required for accessory buildings, storage buildings, and tool…
Read full rule →Cherokee County
Some RestrictionsA shed in unincorporated Cherokee County is regulated as an accessory structure under Zoning Ordinance Section 5.6. It…
Read full rule →Clayton County
Some RestrictionsClayton County caps residential sheds and mini-barns at no more than three accessory structures per lot, limits their…
Read full rule →Cobb County
Some RestrictionsIn Cobb County's R-80 zoning district, a carport counts as an accessory structure: units under 144 square feet need…
Read full rule →Columbia County
Some RestrictionsA shed or accessory building of 400 square feet or less needs only a 5-foot setback from any property line under Code…
Read full rule →Columbus
Some RestrictionsColumbus, Georgia treats a carport as a detached residential accessory structure, so it must meet the UDO's 5-foot side…
Read full rule →Coweta County
Some RestrictionsCoweta County lets a shed or other accessory building sit as close as five feet to a rear or side lot line, per Zoning…
Read full rule →Decatur
Some RestrictionsDecatur's Unified Development Ordinance caps accessory buildings, including garden sheds, at 1,000 square feet of floor…
Read full rule →DeKalb County
Some RestrictionsIn unincorporated DeKalb County, a shed or accessory building maxes out at 900 square feet on lots under an acre, must…
Read full rule →Dunwoody
Some RestrictionsDunwoody bans accessory buildings and sheds from front yards entirely and requires at least 10 feet of separation from…
Read full rule →Effingham County
Some RestrictionsIn the county's R, PD-R, AR-1, AR-2, and AR-3 residential districts, a shed or other accessory structure tops out at 25…
Read full rule →Fayette County
Some RestrictionsA storage building is a permitted residential accessory structure in unincorporated Fayette County, but it counts…
Read full rule →Floyd County
Some RestrictionsA shed or tool room in unincorporated Floyd County is a customary accessory use under the Unified Land Development Code…
Read full rule →Forsyth County
Some RestrictionsIn Forsyth County's A1 agricultural zoning district, a shed can go up without a building permit only if it stays at or…
Read full rule →Fulton County
Some RestrictionsIn unincorporated Fulton County's single-family districts, garage and carport parking spaces count toward the minimum…
Read full rule →Glynn County
Some RestrictionsIn unincorporated Glynn County, a shed or tool room used to store yard or building-maintenance equipment is a permitted…
Read full rule →Gordon County
Some RestrictionsIn unincorporated Gordon County, accessory buildings in residential districts go in the rear yard and sit at least ten…
Read full rule →Gwinnett County
Some RestrictionsSheds and other accessory buildings in unincorporated Gwinnett County must sit at least 5 feet from property lines, or…
Read full rule →Hall County
Some RestrictionsA backyard shed under 144 square feet can sit as close as 5 feet from the side or rear property line in unincorporated…
Read full rule →Houston County
Some RestrictionsIn unincorporated Houston County, a detached shed or accessory building can cover no more than 30 percent of the rear…
Read full rule →Jackson County
Some RestrictionsIn unincorporated Jackson County, a shed under 200 square feet needs only a five-foot side or rear setback, but the…
Read full rule →Johns Creek
Some RestrictionsJohns Creek lists detached carports as accessory structures (Zoning Ordinance Art. III), so they must sit in the rear…
Read full rule →Macon Bibb County
Some RestrictionsMacon-Bibb County requires detached sheds and other accessory buildings to sit at least 10 feet from the main house and…
Read full rule →Marietta
Some RestrictionsA backyard shed in Marietta's R-1 district must sit at least 10 feet from the side or rear lot line under Section…
Read full rule →Newton County
Some RestrictionsA detached, one-story tool or storage shed on a lot in unincorporated Newton County needs no building permit if its…
Read full rule →Paulding County
Some RestrictionsSheds and outbuildings in Paulding County must sit at least 10 feet off the side and rear property lines and cannot…
Read full rule →Rockdale County
Some RestrictionsIn unincorporated Rockdale County, Code Section 218-7 caps how many accessory buildings, like sheds and detached…
Read full rule →Roswell
Some RestrictionsIn Roswell's AG-43, RS-87 and RS-30 single-family districts, sheds and other accessory structures need 20 feet from the…
Read full rule →Smyrna
Some RestrictionsIn the City of Smyrna, Georgia, a lot can hold one accessory structure no larger than one-fourth the total square…
Read full rule →South Fulton
Some RestrictionsSouth Fulton's zoning ordinance classifies tool sheds, storage sheds, and detached garages as accessory structures…
Read full rule →Spalding County
Some RestrictionsA one-story detached shed, playhouse, or similar tool and storage building on residential property in unincorporated…
Read full rule →Stonecrest
Some RestrictionsIn the City of Stonecrest, a shed or other accessory building must sit in the rear yard, stay ten feet or the…
Read full rule →Troup County
Some RestrictionsSec. 4.7 caps most Troup County lots under five acres at three accessory structures like sheds, requires them to sit…
Read full rule →Walker County
Some RestrictionsIn the R-1 residential district of unincorporated Walker County, a shed or other detached accessory building can only…
Read full rule →Walton County
Some RestrictionsA shed or other accessory building in unincorporated Walton County must sit at least five feet from any property line…
Read full rule →Warner Robins
Some RestrictionsWarner Robins requires a building permit for any roofed accessory structure over 20 square feet, including sheds, under…
Read full rule →Whitfield County
Some RestrictionsIn unincorporated Whitfield County, an accessory structure built with or after the main house on a lot under three…
Read full rule →Bartow County
Light RestrictionsIn unincorporated Bartow County, a personal storage building, garage, or other accessory building under 400 square feet…
Read full rule →Garage Conversions
Rules for converting a garage into living space, including whether you need to replace the lost parking and what building codes apply.
Atlanta
Heavy RestrictionsAtlanta currently prohibits attached ADUs, so a garage conversion into a separate dwelling is not allowed by-right…
Read full rule →Chatham County
Some RestrictionsConverting a Chatham County garage or other non-habitable space into living quarters requires a building permit. The…
Read full rule →Clayton County
Some RestrictionsClayton County treats habitable garage quarters as an accessory dwelling. Converting a garage into living space, or…
Read full rule →Effingham County
Some RestrictionsEffingham County lets homeowners convert an existing garage or other accessory structure into an accessory dwelling…
Read full rule →Gordon County
Some RestrictionsIn unincorporated Gordon County, a garage converted to living space is an accessory dwelling under the Unified Land…
Read full rule →Johns Creek
Some RestrictionsJohns Creek does not have a code section specifically titled garage conversions. The Zoning Ordinance lists detached…
Read full rule →Tiny Homes
Zoning rules for tiny houses on wheels and foundations, including minimum square footage requirements and where they can be placed.
Atlanta
Heavy RestrictionsAtlanta allows tiny homes only as detached accessory dwelling units up to 750 sq ft and 20 ft tall in R-4, R-4A, and…
Read full rule →Bartow County
Heavy RestrictionsUnincorporated Bartow County's zoning ordinance bars anyone from living in a tiny house, whether full time or…
Read full rule →Clayton County
Some RestrictionsClayton County has no separate 'tiny home' ordinance. A freestanding backyard living unit is treated as an accessory…
Read full rule →Effingham County
Some RestrictionsUnincorporated Effingham County allows tiny homes only inside R-4 planned manufactured home community districts, as a…
Read full rule →Floyd County
Some RestrictionsIn unincorporated Floyd County, a tiny home is only lawful if it fits one of three classes the Unified Land Development…
Read full rule →Johns Creek
Some RestrictionsJohns Creek's Zoning Ordinance has no provision specifically for tiny homes. A detached tiny dwelling on a…
Read full rule →South Fulton
Some RestrictionsSouth Fulton's zoning code does not treat a tiny home as its own building type. It only allows one as an accessory…
Read full rule →Stonecrest
Some RestrictionsStonecrest doesn't zone a single backyard tiny home as an accessory structure; instead, Zoning Ordinance § 4.2.49…
Read full rule →Walker County
Some RestrictionsIn unincorporated Walker County, a residential structure under 500 square feet is legally a tiny home and needs a…
Read full rule →Spalding County
Few RestrictionsSpalding County's zoning ordinance defines a tiny house as a principal dwelling on a permanent foundation with 400…
Read full rule →