Sheds, Barns & Cabin Shells in Lewisville, TX

Inside Lewisville city limits: The city's Accessory Building Requirements handout (updated 1/15/2025) says a permit is needed for a residential accessory building greater than 120 sq ft, applied for online through MGO Connect. The Unified Development Code (Sec. VII.3.2) allows one accessory building up to 250 sq ft on lots of 7,500 sq ft or less, two totaling 500 sq ft on lots of 7,501 to under 18,000 sq ft, and two totaling 800 sq ft on lots of 18,000 sq ft or more, with a special use permit option on lots of 12,000 sq ft or larger. Sec. VII.3.2 also requires 5-foot side and rear setbacks, 5 feet from the house for buildings over 120 sq ft, no placement in front of the house or in an easement, height no taller than the house, and architecture compatible with the house. Building Inspections: 151 W. Church Street, Lewisville, TX 75057, 972-219-3470.

Outside city limits (unincorporated Denton County): Denton County requires a Development Permit for any improvement to a property, applied for before construction through the county's Civic Access portal with a site plan showing existing improvements and any septic system. Its pages don't list an exemption for small sheds, so check with Development Services at (940) 349-2990 before delivery. In a flood zone, a finished-floor elevation certificate is required after construction. New or changed driveway entrances need a culvert/driveway permit, and county roads have a 60-foot right-of-way (30 feet each way from the center).

Adding plumbing? Septic (OSSF) permits come from Denton County Public Health's Environmental Health Division at (940) 349-2920, starting at $310 for a new system.