Delaware Building Codes

Many of the Delaware building codes are governed at a local jurisdiction level. Please check with your local government office to understand which codes apply to your project.

Adoption Info

INCORPORATED AMENDMENTS
Delaware Regulations Governing a Detailed Plumbing Code
Original document
Regulations for State Energy Conservation Code
Original document
effective Dec. 11, 2020
Delaware State Fire Prevention Regulations
(Amendments to the NFPA 70, The National Electrical Code, 2014,
the NFPA 1, Fire Code, 2015, and
the NFPA 101, The Life Safety Code, 2015)
Original document
NOTICE
The 2018 International Energy Conservation Code has been adopted as the Delaware Residential Building Energy Code while the ASHRAE 90.1 2016 Energy Standard for Buildings Except Low Rise Residential Buildings and the Commercial Provisions of the 2018 International Energy Conservation Code has been adopted as the Delaware Commercial Building Energy Code on June 11, 2020. All projects may choose to use either the new energy code (2018 IECC and ASHRAE 90.1 2016) or the previous energy code (2012 IECC with Delaware amendments and ASHRAE 90.1 2010) from June 11 until December 11, 2020. All projects must comply with the new energy codes starting December 11, 2020.
FURTHER INFORMATION

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Delaware Building Codes

The building codes of Delaware adopt the the International Plumbing Code 2018 (IPC 2018), International Energy Conservation Code 2018 (IECC 2018), Fire Code, 2015, Standard for the Installation of Sprinkler Systems, 2013, National Electrical Code, 2014, National Fire Alarm and Signaling Code, 2013, Life Safety Code, 2015, and the Energy Standard for Buildings Except Low-Rise Residential Buildings, 2016.

Delaware building codes, including the fire and residential codes

Delaware Agencies

Delaware Division of Public Health Plumbing Permit and Inspection Program
Plumbing Program Office
Website: https://www.dhss.delaware.gov/dhss/dph/

Kent County:
Edgehill Shopping Center
43 S. DuPont Highway
Dover, DE 19901
Phone: (302) 741-8600


Sussex County:
Thurman Adams State Service Center
546 S. Bedford Street
Georgetown, DE 19947
Phone: (302) 515-3282

Division of Climate, Coastal, & Energy
Website: https://dnrec.alpha.delaware.gov/climate-coastal-energy
100 W. Water Street
Dover
DE
19904
Phone: (916) 263-0916