Building Code

Sussex County uses the 2003 International Residential Code for single-family home construction and the 2003 International Building Code for multi-family and commercial construction projects.

For questions regarding single-family building code inspections, call (302) 858-5500 between the hours of 7:30am - 3:30pm.

Code books can be purchased through the International Code Council at the following links:

• 2003 International Residential Code
• 2003 International Building Code

Sussex County has adopted a list of exceptions to the IRC, which can be found here.

Other code related matters:

• Regulations and inspections for plumbing are governed by the State of Delaware Division of Public Health. For more information, call (302) 856-5122.
• Regulations and inspections for electrical installations are governed by the Delaware State Fire Marshal's Office and the State Electrical Board. For more information, call (302) 856-5298 (Fire Marshal's Office) or (302) 744-4500 (Electrical Board).
• Model Energy Code Computer Software for ResCheck Residential & ComCheck Commercial can be ordered from the State of Delaware Energy Office at (302) 739-9072 or can be found online at www.energycodes.gov.