Building Codes

Beginning July 1, 2026, all construction shall be required to meet the 2024 International Building Code (IBC) with NH Amendments, the 2024 International Existing Building Code (IEBC) with NH Amendments, the 2024 International Residential Code (IRC) with NH Amendments, the 2024 International Plumbing Code (IPC) with NH Amendments, the 2024 International Mechanical Code (IMC) with NH Amendments and the 2024 International Swimming Pool and Spa Code (ISPSC) with NH Amendments.