3 rules for unincorporated Knox County, Tennessee.
Verified from official government sources
In the RA Low Density Residential Zone, Knox County requires a 35-foot front yard, side yards of 8 feet for single-story and 12 feet for taller dwellings, and a 25-foot rear yard. Detached accessory buildings may sit as close as 5 feet to side and rear lot lines.
Knox County Zoning Ordinance Secs. 5.11.05, 5.11.06, 5.11.07
For dwellings the minimum depth of the front yard shall be thirty-five (35) feet... For single-story dwellings, located on interior lots, side yards shall be not less than eight (8) feet in width... For main buildings, other than garage apartments, there shall be a rear yard of not less than twenty-five (25) feet.
In the RA Low Density Residential Zone, no main building may exceed 3 stories or 35 feet, and accessory buildings are capped at 18 feet. Farm buildings, chimneys, spires, flagpoles, and similar projections are exempt from the height limits.
Knox County Zoning Ordinance Sec. 5.11.11
No main building shall exceed three (3) stories or thirty-five (35) feet in height. Accessory buildings shall not exceed eighteen (18) feet in height; provided, however, the eighteen (18) feet height limitation may be exceeded to conform the pitch of the accessory building roof to the pitch of the roof of the principal use.
In the RA Low Density Residential Zone, Knox County caps combined main and accessory building coverage at 30 percent of the lot area. Minimum lot area is 10,000 square feet on sewer or 20,000 square feet without sewer.
Knox County Zoning Ordinance Sec. 5.11.10
Maximum lot coverage. Main and accessory buildings shall cover not more than thirty (30) percent of the lot area.
See every category we cover for Knox County — parking, noise, fences, fires, animals, pools, and more.
Knox County Ordinance Hub →