2027 International Existing Building Code®

Construction code for existing buildings undergoing additions, alterations, repairs, change of occupancy, and relocation. Applies to work on existing buildings and structures, allowing flexible and alternative compliance approaches while maintaining minimum levels of safety, health, property protection, and welfare.

The 2024 IEBC encourages the use and reuse of existing buildings. This code covers repair, alteration, addition and change of occupancy for existing buildings. and historic buildings, while achieving appropriate levels of safety without requiring full compliance with the new construction requirements contained in the other I-Codes. Key changes in the 2027 IEBC® include:

• Reorganization of Chapters 3, 8, 10, 12 and 13.
• Historic buildings consolidated in one location. EB8-25.
• Carbon monoxide and smoke detector alignment with IFC EB26-25.
• Voluntary structural alterations expanded to apply to wind, snow and seismic loads.
• Change of occupancy changes intended to clarify when a building needs to meet the requirements for new construction.