Adopt updates to building and energy codes

LB 800 updates Nebraska's state building and energy codes by adopting the 2024 editions of the International Building Code (IBC) and International Residential Code (IRC), along with the 2018 International Existing Building Code and 2018 Uniform Plumbing Code. It requires all Nebraska counties, cities, and villages to adopt these updated codes within two years or have the state codes automatically apply to construction (excluding farms). Local governments may create modified codes only if they conform to the state standards, maintain radon-resistant construction requirements, and notify the state department when removing specific code sections. This directly affects local building departments, developers, contractors, and property owners by standardizing construction requirements across the state.