Utah HB0415 amends building codes to ease requirements for altering, adding to, or repairing existing structures.

Utah HB0415 amends the building code to allow alterations, additions, or repairs to existing structures without bringing them up to new-construction standards, unless the change makes the structure less safe. The bill also modifies snow load requirements, adds exceptions for bracing during reroofing, and updates definitions related to energy storage systems and accessory dwelling units. Effective May 6, 2026.

Utah HB0415 amends building codes to ease requirements for altering, adding to, or repairing existing structures.

Utah HB0415 amends the building code to allow alterations, additions, or repairs to existing structures without bringing them up to new-construction standards, unless the change makes the structure less safe. The bill also modifies snow load requirements, adds exceptions for bracing during reroofing, and updates definitions related to energy storage systems and accessory dwelling units. Effective May 6, 2026.