State Fire Marshal
Grover P. Ingle

1537 Chestnut Grove Road
Dover, DE 19904
(302) 739-4394 

Current Codes and Edition Adopted:
2018 International Energy Conservation Code (IECC) & ASHRAE 90.1
2015 International Building Code (IBC)-Sussex County
2018 International Plumbing Code (IPC)-Kent County
2018 International Mechanical Code (IMC)
2018 International Fuel Gas Code (IFGC)
2015 International Residential Code (IRC)-Sussex County
2015 International Residential Code (IRC)-New Castle County
2012 International Green Construction Code
Applicability (statewide, local, limited): LOCAL

Building Codes are adopted at the County and municipal level, and smaller towns generally defer to the counties for code enforcement. Building Codes are adopted at the county and municipal level; however the 2018 IPC, IMC, IFGC, and IECC have been adopted at the state level. Most communities have adopted the 2015 I Codes. 

Please review the information found here for code adoption information: 

Tall Mass Timber Adoption

The tall mass timber provisions went into effect in 2023 for Sussex, DE.

Amendments Disadvantaging Wood Construction:

No apparent amendments.

Next Update Cycle:



Page last updated: January 2022