Accessory Structures in Lewisville, TX (2026)
5 verified accessory structures rules for Lewisville, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Lewisville allows ADUs in certain residential zones. Units must be subordinate to the primary dwelling, meet setbacks, and cannot be sold separately. Permits required.
Lewisville Accessory Dwelling Unit (ADU) Rules
Some RestrictionsShed Rules
Sheds under 120 square feet in Lewisville generally do not need a building permit but must meet setback rules. Larger structures require permits. Rear yard placement only.
Lewisville Shed and Storage Building Rules
Few RestrictionsGarage Conversions
Garage conversions in Lewisville require a building permit and must maintain the minimum enclosed parking spaces required by the zoning district.
Lewisville Garage Conversion Rules
Some RestrictionsCarport Rules
Carports in Lewisville require a building permit and must comply with setback requirements. They are generally allowed in side or rear yards but not front yards.
Lewisville Carport Regulations
Few RestrictionsTiny Homes
Tiny homes on permanent foundations in Lewisville must meet minimum dwelling size and building code requirements. Tiny homes on wheels are classified as RVs.
Lewisville Tiny Home Regulations
Some RestrictionsLooking for Denton County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Lewisville city rules.
Accessory Structures in Denton County →