Regulatory framework
The code baseline for Simpson County.
Simpson County's February 3, 2026 zoning regulations require building permits for construction, erection, moving, additions, structural alterations, and covered excavation, subject to stated exceptions. The local program operates under Kentucky's uniform building-code framework; current DHBC references include the 2018 Kentucky Building Code and 2018 Kentucky Residential Code based on the 2015 IBC/IRC, plus applicable mechanical, energy, fire, plumbing, electrical, accessibility, boiler, and NFPA requirements.