Construction Codes & Design

The following is a partial list of the codes and standards regulating construction of buildings and structures in the City of Lebanon. These are statewide codes and standards adopted by the State of Oregon Building Codes Division and locally administered by the City of Lebanon Building Division.  View adopted codes online at Oregon Building Codes Division.

• 2021 Oregon Residential Specialty Code (ORSC)
  Effective April 1, 2021
  Based on the 2018 International Residential Code (IRC)

• 2022 Oregon Structural Specialty Code (OSSC)
  Effective October 1, 2022
  Based on the 2021 International Building Code (IBC)

• 2022 Oregon Mechanical Specialty Code (OMSC)
  Effective October 1, 2022
  Based on the 2021 International Mechanical Code (IMC) & International Fuel Gas Code (IFGC)

• 2021 Oregon Plumbing Specialty Code (OPSC)
  Effective April 1, 2021
  Based on the 2021 Uniform Plumbing Code (UPC)

• 2021 Oregon Electrical Specialty Code Amendments
  Effective April 1, 2021
  Based on the 2020 NFPA 70, National Electrical Code

• 2022 Oregon Fire Code (OFC)
  Effective October 1, 2022
  Based on the 2021 International Fire Code (IFC)

• 2021 Oregon Energy Efficiency Specialty COde (OEESC)
  Effective April 1, 2021
  ASHRAE Standard 90.1-2019

• 2010 Oregon Manufactured Dwelling Installation Specialty Code (OMDISC)

• ICC A117.1-2017 Accessible and Usable Buildings and Facilities

• 1997 ICBO Uniform Code for the Abatement of Dangerous Buildings

Design Assumptions for Lebanon