The City of Watford City and The State of North Dakota have adopted the following building codes:
- 2021 International Building Code (IBC)
- 2021 International Residential Code (IRC)
- 2021 International Mechanical Code (IMC)
- 2021 International Fuel Gas Code (IFGC)
- 2021 International Energy Conservation Code (IECC)
- 2021 International Existing Building Code (IEBC)