Regulatory framework
The code baseline for Butler County.
The county's published 2016 Butler County Building Code, adopted by Resolution 16-06, lists the 2006 International Building Code, 2006 International Mechanical Code, 2005 National Electrical Code plus 2006 ICC Electrical Code administrative provisions, 2006 Uniform Plumbing Code, and 2006 International Residential Code, all with county amendments. The current website did not identify a later technical edition for 2026; verify the currently enforced edition with Building Inspection.