Codes Effective January 1, 2019

International Codes

  • 2018 International Building Code
  • 2018 International Residential Code
  • 2018 International Fuel Gas Code
  • 2018 International Mechanical Code
  • 2018 International Plumbing Code
  • 2018 International Existing Building Code
  • 2018 International Energy Conservation Code
  • 2023 National Electrical Code (Effective Aug 1, 2023)
  • 2020 National Electrical Code (Effective Aug 1, 2020)
  • Access Free Codes Online

Documents for Building Codes Effective 07/01/2021


  1. 2018 Jefferson County Building Code Supplement July 2021 (PDF)
  2. 2018 Jefferson County Residential Code Supplement July 2021(PDF)
  3. 23 Electrical Wiring Guide

Board of Review Bylaws

  1. Board of Review Bylaws (PDF)