Accessory Structures in Rowlett, TX (2026)
2 verified accessory structures rules for Rowlett, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Rowlett allows a garage apartment as an accessory dwelling by right in the SF-40, SF-20, MF-2F and MF-S districts under City Code § 77-303(B), but it isn't a free-standing rental unit: § 77-303(C)(4)-(5) requires the garage apartment and the main house to share the same owner and the same utility meter, and general accessory buildings otherwise cannot be used as a dwelling at all.
Rowlett Garage Apartment ADU Rules
Some RestrictionsRowlett Code of Ordinances § 77-303(C)(2)(b), (C)(3)(a)5, (C)(4)-(C)(5)
In addition, residential accessory uses shall comply with the following standards.3.Dimensional standards for residential accessory buildings and structures.(a)Size, height and building materials...5.No accessory structure or portion of an accessory structure shall be used as a dwelling...4.Same ownership required. The principal use and the accessory use shall be under the same ownership.5.Same...
Shed & Carport Rules
Rowlett, Texas (Dallas/Rockwall County) caps residential accessory buildings at the zoning district's lot-coverage limit or 35% of the rear yard, requires a 3-foot side setback in the rear yard, and mandates a special use permit for any enclosed shed over 500 square feet.
Rowlett Shed Size, Setback, Permit Rules
Some RestrictionsRowlett Code of Ordinances § 77-303(C)(3)(a)
1.The number and size of accessory structures permitted on residential lots shall be regulated by the maximum lot coverage permitted in the zoning district or 35 percent of rear yard, whichever is less.2.Accessory structures shall not exceed the height of the primary structure or the maximum height for the zoning district, whichever is less. However, accessory structures in the front yard shall...
Looking for Dallas County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Rowlett city rules.
Accessory Structures in Dallas County →