S.F. No. 4203 Summary

• Requires municipalities not already administering the State Building Code to adopt and enforce it by January 1, 2030, removing the previous option to voluntarily choose adoption.

• Exempts municipalities with a population less than 2,500 located outside metropolitan counties from mandatory State Building Code adoption and enforcement requirements.

• Mandates state commissioner inspection of new residential construction in municipalities that have not adopted the State Building Code, with an exception for municipalities under 2,500 population.

• Prohibits municipalities from adopting building code provisions different from the State Building Code, with limited exceptions for geological conditions and maintenance standards approved by the state building official.