Sheds, Barns & Cabin Shells in Flower Mound, TX

Inside Flower Mound town limits: The town's Code of Ordinances (Sec. 98-1032) says no building permit is required for detached accessory buildings under 120 sq ft, while those 120 sq ft or larger require one; all must stay out of easements, sit no closer to the street than the house or front setback, and keep at least 3 feet from interior side and non-alley rear lot lines. Sec. 98-1032 also limits most residential lots to two accessory buildings with combined floor area of 750 sq ft or 25% of the house's floor area, whichever is less (1,500 sq ft in SF-E districts), caps height at 14 feet (20 feet in SF-E and Agricultural districts), requires a minimum 3:12 roof pitch with roof color and materials closely resembling the house, and allows wood siding only on buildings of 300 sq ft or less. The town's Accessory Building Information Packet adds a pre-drainage inspection for buildings over 150 sq ft. Building Inspections: 2121 Cross Timbers Rd., Flower Mound, TX 75028, 972-874-6355.

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.