Page updated as of April 2020

State Code Agency:

State Building Official:
Rich Bolten, Acting Iowa Building Commissioner
Iowa Building Code Bureau
215 E. 7th Street
Des Moines, IA 50319
(515) 725-6145

Current Codes and Edition Adopted:

  • 2015 International Building Code (IBC)
  • 2015 International Residential Code (IRC)
  • 2015 International Existing Building Code (IEBC)
  • 2012 International Energy Conservation Code (IECC)
  • 2012 National Fire Protection Association (NFPA) 101 also enforced for hospitals and other health care facilitates

The Iowa Code with amendments is based on the 2015 IBC, IRC, IMC, IECC, and IEBC for state owned and rented structures. The State Fire Code with amendments is based on the 2015 IFC and IBC Chapters 2-7. The IFC and IECC are required for all construction. Iowa is a home-rule state and local jurisdictions are not required to adopt the most current version of the Iowa Code.

Applicability (statewide, local, limited): LIMITED

The Building Code Bureau performs plan reviews for all State-owned buildings. In addition, all non-State-owned building that are constructed with State appropriated funds, if built in an area without an adopted and enforced local building code are required to be reviewed. If the building is not State owned, additions, renovations and repairs are excluded from this plan review requirement.

In addition, plan reviews are required for compliance with State Fire Marshal Rules for any education building or facility serving kindergarten through twelfth grade, any college or university building or facility, any child care facility, any correctional facility or any gaming facility.

Amendments Disadvantaging Wood Construction:

Code modifications are not related to wood construction.

Next Update Cycle (amendment opportunities):

The State Building Commissioner has not released any information on future plans for adoption of the newer IBC, IFC and IRC.

Expected date most recent code will be adopted.

Unknown. Individual communities exercise their home rule rights and consequently adopt and enforce various versions of the state adopted codes.

Additional Notes: