Gaithersburg Adopts 2018 Building Codes
The City of Gaithersburg, MD has adopted the 2018 International Codes as of the end of May 2019. All projects applying for a building permit and less than 50% designed are required to use the new codes. Projects greater than 50% designed can follow the 2015 codes until October 31, 2019. After that date, all projects are required to follow the 2018 codes. Questions? Contact Rob Emard, AIA – Gaithersburg Commercial Permitting Manager – [email protected]
CITY CODES
Current listing of city codes can be found at http://www.gaithersburgmd.gov/government/city-code/city-building-electrical-and-fire-code, and include as follows:
- City Construction Codes:
2018 International Building Code (IBC)
2018 International Residential Code (IRC)
2018 International Mechanical Code (IMC)
2018 International Fuel Gas Code (IFGC)
2018 International Energy Conservation Code (IECC)
2018 International Green Construction Code (IGCC)
2017 National Electric Code – NFPA 70 (NEC)
Maryland Accessibility Code – ADAAG/2010
- Code Amendments by the City can be found at this link.
Plumbing and natural gas are under the authority of the Washington Suburban Sanitary Commission (WSSC), which currently uses the 2018 International Plumbing Code (IPC) and the 2018 International Fuel Gas Code (IFGC) – (301) 206-8886.

