Kansas City (MO) Building and Rehabilitation Code

Intro/Brief: 

NOTE: This update is effective on June 3, 2012, however the ordinance delays the mandatory use for new project applications until October 1, 2012

Residential Code: The residential provisions of the Kansas City Building and Rehabilitation Code are based on the 2012 IECC with local weakening amendments.

Commercial Code: The residential provisions of the Kansas City Building and Rehabilitation Code are based on the 2012 IECC with local weakening amendments.

TEXT: Kansas City Building and Rehabilitation Code | 2012 IECC Amendments

Citation: Ordinance 120375, Kansas City Building & Rehabilitation Code (Ordinance Chapter 18)

Application: Mandatory citywide. The department of City Planning and Development is charged with the enforcement of this chapter.

Approximate Stringency: less stringent than the 2012 IECC and ASHRAE 90.1-2010, but more stringent than the 2009 IECC and ASHRAE 90.1-2007. The package achieves a roughly 20% improvement above the 2006 IECC.

Effective Date: June 3, 2012, but compliance is not mandatory until October 1, 2012

Approved Compliance Tools: REScheck | COMcheck

RECA Residential Compliance Guides for MO: 2006 IECC | 2009 IECC | 2012 IECC

Background: On May 24, 2012, the City Council of Kansas City, Missouri approved, and the Mayor signed, an ordinance adopting a package of the 2012 ICC code series, including an amended version of the 2012 IECC for residential and commercial construction. Both codes are less stringent than the 2012 IECC and ASHRAE 90.1-2010, but more stringent than the 2009 IECC and ASHRAE 90.1-2007. The package achieves a roughly 20% improvement above the 2006 IECC. While the new code is effective June 3, 2012, mandatory compliance will not begin until October 1, 2012.

The new code puts approximately 1/3 of the Kansas City metro area population under an improved, consistent energy code. Other municipalities, including Overland Park, Kansas, have also been reviewing similar code update proposals. Missouri does not adopt any statewide construction codes.

Residential code improvements:

Basement Wall Insulation Required (previously, finished basements were exempt)

  • All ducts must be in conditioned space or tested
  • Air infiltration requirement at 5 ACH50, a testing protocol will be developed
  • Window requirements improved to U-0.35 and SHGC of 0.4 (Previously U-factor was at 0.40 and there was no SHGC requirement
  • Ceiling insulation increased to R-49 from R-38
  • Hot water piping insulation increased to R-3
  • Duct insulation improved to 2012 IECC levels

Residential requirements that were not improved from the current code:

  • Lighting requirement not included
  • Above grade wall insulation not changed
  • Cavities can still be used as duct returns
  • Insulation for slab on grade floors not included

More Information: Ordinance #120375 | KC Building & Rehabilitation Code | 2012 IECC Amendments | 2012 IECC Incremental Cost Analysis (BCAP)

Information last updated June 7, 2012

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Back to Missouri Main Page

Based on: 
Mandatory
Date Passed: 
Thursday, May 24, 2012
Date Effective: 
Monday, October 1, 2012
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