South Dakota Building Energy Codes

Code Level

Residential Energy Code

None Statewide

2009 IECC, with amendments (effective 6/1/2011) – Voluntary and Unenforceable

South Dakota Residential Energy Conservation Standard

Commercial Energy Code

None Statewide

2015 IBC as adopted locally and modified by local ordinance


Authorized by – Statute. In 2011, SB 94 was passed which adopted the 2009 IECC as a voluntary residential building code (SDCL 11-10-7). It applies only to jurisdictions that choose to adopt it.

Oversight – The State Fire Marshall at the Department of Public Safety is responsible for oversight and enforcement of fire and safety codes. If a statewide energy code were adopted it is possible that oversight would fall under that office or department.

Code change process – Legislative. Code changes are made through a legislative process.

Code change cycle - There is no set cycle for changes or adoption.


Enforcement – Any jurisdiction that adopts an energy code is responsible for enforcing it.

Municipal Energy Codes

Largest Jurisdictions in North Dakota

Residential Energy Code

Commercial Energy Code

City of Aberdeen

2009 IRC, with amendments

2009 IBC, with amendments

Rapid City

2009 IECC, heavily amended

Deleted entirely

City of Souix Falls

2015 IRC, with amendments

2009 IBC

Implementation/Compliance Studies – The Building Code Assistance Project (BCAP) has information on past compliance studies in South Dakota.

Primary Contacts

Bureau of Administration, Office of the State Engineer

South Dakota Building Officials Association