Accessory Structures in Round Rock, TX (2026)
4 verified accessory structures rules for Round Rock, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Round Rock permits accessory dwelling units (ADUs) in certain residential zoning districts subject to size, design, and owner-occupancy requirements under the Zoning Code.
Round Rock ADU Rules & Accessory Dwelling Unit Regulations
Some RestrictionsShed Rules
Round Rock requires a building permit for sheds and accessory structures over 200 square feet. Setback requirements apply. Sheds may not exceed the height of the main dwelling.
Round Rock Shed Rules & Outbuilding Regulations
Some RestrictionsGarage Conversions
Garage conversions in Round Rock require a building permit and must comply with residential building codes. Converting a garage to living space may affect required off-street parking counts.
Round Rock Garage Conversion Rules & Requirements
Some RestrictionsCarport Rules
Round Rock allows residential carports only in side or rear yards — never in front yards or over a driveway in front of the home. Maximum height is 15 feet, and a building permit from the Building Inspection Division is required.
accessory-structures/carport-rules
Some RestrictionsLooking for Williamson County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Round Rock city rules.
Accessory Structures in Williamson County →