Permit & Site Guide

Metal Building Permits in Union County, NC

Planning a barndominium, steel garage, workshop, or agricultural building in Monroe or anywhere in Union 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

Union County Building Code Enforcement issues permits everywhere in the county except Monroe and Waxhaw, which run their own. Applications, plan review and inspection scheduling go through the county's online Evolve permitting portal.

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; confirm side and rear setbacks with Development Services, and note that Monroe and Waxhaw have separate zoning rules.

HOA Risk

High

High — Union is one of NC's fastest-growing suburban counties, and subdivisions in Waxhaw, Weddington and Indian Trail routinely restrict outbuildings

Permit Contact

Union County Building Code Enforcement

unioncountync.gov

Pro Tip for Union County

Check whether your address is in Monroe or Waxhaw before applying — those two cities permit independently of the county. For everywhere else, the Evolve portal handles plan review and inspection requests in one place.

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