International Residential Code
Idaho: International Residential Code, lead only
ICC’s code adoption map shows Idaho on the 2018 IRC. Idaho’s own records for the IRC have not been read yet.
Tracker reading
Edition a tracker lists
2018 IRC
Lead only
How it was checked
Lead only
A tracker lists this edition. Nobody has checked it against the state’s own record yet.
What the trackers say
Code adoption trackers are a cross-check. They are not Idaho’s own record.
ICC’s code adoption mapCross-check
2018 IRC
“State Idaho 18 18 18 18 18 X 18 18 X 18 *15 X X” (IRC taken as 2nd value)
mitek-us.com (opens in a new tab)Updated April 2026Read