Uniform Construction Code

The Uniform Construction Code (UCC) Administration and Enforcement regulation has adopted the following codes for use throughout the Commonwealth of Pennsylvania, effective October 1, 2018.

  • International Building Code (IBC) 2015 (code for all buildings and structures not regulated by the International Residential Code:
    • Chapter 1 is not adopted (most of its requirements are incorporated in Chapter 403 of the UCC regulation)
    • Chapter 27 (Electrical) requires that all electrical components, equipment, and systems in buildings and structures covered by the IBC comply with the requirements of National Fire Protection Association 70-2014, National Electric Code.
  • International Energy Conservation Code 2015
  • International Existing Building Code 2015
  • International Fire Code 2015
    • Adopted only to the extent referenced in Chapter 35 of the International Building Code 2015.
  • International Fuel Gas Code 2015
    • Any liquefied petroleum gas requirements are superseded by the requirements of Pennsylvania’s Propane and Liquefied Petroleum Gas Act (and regulations)
  • International Mechanical Code 2015
  • International Performance Code for Buildings and Facilities 2009 (provides alternative compliance approach)
  • International Plumbing Code 2015
  • International Residential Code 2015 (code for one- and two-family dwellings no more than 3 stories in height)
  • International Wildland-Urban Interface Code 2015 (supplementary requirements that may be used to mitigate fire- and life-safety hazards in unique wildland areas)

Important Note

Many of these codes have various code sections amended by the UCC Review and Advisory Council (RAC). This information was published on September 28, 2018, in the Pennsylvania Bulletin and became effective on October 1, 2018. Access these changes. This information will also be posted on our website in the near future.