International Residential Code
Delaware: International Residential Code, lead only
ICC’s code adoption map shows Delaware as local adoption. Delaware’s own records for the IRC have not been read yet.
Tracker reading
Edition a tracker lists
Local adoption
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 Delaware’s own record.
ICC’s code adoption mapCross-check
Local option
“State Delaware X X X 21 X 18 90.1-2016 X X X X” (IRC taken as 2nd value)
mitek-us.com (opens in a new tab)Updated April 2026Read