Permit & Site Guide

Metal Building Permits in Washington County, TN

Planning a barndominium, steel garage, workshop, or agricultural building in Jonesborough or anywhere in Washington 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

The Washington County Zoning, Planning & Building Codes office issues zoning-compliance and building permits for accessory structures; a site plan/plot plan is required with the application.

Wind Zone

115 mph

Ultimate design wind speed — verify with engineer

Snow Load

15 psf

Ground snow load, minimum design

Typical Setbacks

Varies by zoning district; the zoning office reviews setback compliance as part of the permit.

HOA Risk

Moderate

Moderate — newer Johnson City/Gray subdivisions often have HOAs; older town and rural parcels typically do not.

Permit Contact

Washington County Zoning, Planning & Building Codes

423-753-1753

Pro Tip for Washington County

Submit a clear plot plan showing the structure relative to property lines and any easements with your application, since the zoning office checks compliance before issuing the permit.

Get a permit-ready quote for Washington 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 Washington 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 Washington County before purchasing land or starting construction. AAIRE Co. serves customers nationwide and can help you navigate the process.