Permit & Site Guide

Metal Building Permits in Knox County, TN

Planning a barndominium, steel garage, workshop, or agricultural building in Knoxville or anywhere in Knox County? Here's what to expect on permits, setbacks, wind and snow loads, and HOA rules — plus a free, permit-ready quote from AAIRE Co.

Permit Required

Yes — Required

Knox County Codes Administration issues building permits for accessory structures; one-story detached buildings under 120 sq ft are exempt from a building permit but must still meet zoning. Detached accessory structures are capped at 3,000 sq ft and 2 stories. Online permitting is available.

Wind Zone

115 mph

Ultimate design wind speed — verify with engineer

Snow Load

10 psf

Ground snow load, minimum design

Typical Setbacks

Varies by zoning district; verify with Codes Administration and zoning before placement.

HOA Risk

Moderate

Moderate — many West Knox/Farragut subdivisions have active HOAs with their own accessory-structure rules; rural tracts mostly do not.

Permit Contact

Knox County Codes Administration

865-215-2325

Pro Tip for Knox County

A site plan showing the structure's distance to property lines, septic, and easements is expected up front; bringing one to your first visit avoids a return trip.

Get a permit-ready quote for Knox County

Every AAIRE Co. steel building is engineered to your county's 115 mphwind requirements, with stamped drawings included for permitting. Tell us about your project and we'll send a free quote and walk you through what Knox County needs.

This guide provides general information based on publicly available county sources. Requirements change and vary by parcel, zoning district, and building use. Always verify current requirements directly with Knox County before purchasing land or starting construction. AAIRE Co. serves customers nationwide and can help you navigate the process.