State | Current Code (as of 6/30/22)^ | State Map Legend (as of 6/30/22)^ |
---|---|---|
Alabama | 2015 IECC with amendments | 2009 IECC |
Alaska | None statewide | No statewide code |
Arizona* | Home rule | <2009 IECC |
Arkansas | 2009 IECC with amendments | <2009 IECC |
California | 2019 Building Energy Efficiency Standards | 2021 IECC |
Colorado | Home rule | No statewide code |
Connecticut | 2015 IECC with amendments | 2009 IECC |
Delaware | 2018 IECC | 2018 IECC |
District of Columbia | 2015 IECC with amendments | 2018 IECC |
Florida | 2018 IECC with amendments | 2009 IECC |
Georgia | 2015 IECC with amendments | 2009 IECC |
Hawaii* | Home rule | 2015 IECC |
Idaho | 2018 IECC with amendments | 2009 IECC |
Illinois | 2018 IECC with amendments | 2009 IECC |
Indiana | 2018 IECC with amendments | 2009 IECC |
Iowa | 2012 IECC with amendments | 2009 IECC |
Kansas | Home rule | No statewide code |
Kentucky | 2009 IECC | 2009 IECC |
Louisiana | 2009 IECC | 2009 IECC |
Maine | 2015 IECC with amendments | 2015 IECC |
Maryland | 2018 IECC with amendments | 2018 IECC |
Massachusetts | 2018 IECC with amendments | 2018 IECC |
Michigan | 2015 IECC with amendments | 2009 IECC |
Minnesota | 2012 IECC with amendments | 2009 IECC |
Mississippi | None statewide | No statewide code |
Missouri | Home rule | No statewide code |
Montana | 2018 IECC with amendments | 2009 IECC |
Nebraska | 2018 IECC | 2018 IECC |
Nevada | 2018 IECC with amendments | 2009 IECC |
New Hampshire | 2018 IECC with amendments | 2009 IECC |
New Jersey | 2018 IECC with amendments | 2009 IECC |
New Mexico | 2018 IECC with amendments | 2009 IECC |
New York | 2018 IECC | 2018 IECC |
North Carolina | 2015 IECC with amendments | 2009 IECC |
North Dakota | Home rule | No statewide code |
Ohio | 2018 IECC with amendments | 2009 IECC |
Oklahoma | 2009 IECC with amendments | 2009 IECC |
Oregon | 2018 IECC with amendments | 2018 IECC |
Pennsylvania | 2018 IECC with amendments | 2018 IECC |
Rhode Island | 2018 IECC with amendments | 2009 IECC |
South Carolina | 2009 IECC | 2009 IECC |
South Dakota | Home rule | No statewide code |
Tennessee | 2018 IECC with amendments | <2009 IECC |
Texas | 2015 IECC | 2018 IECC |
Utah | 2015 IECC with amendments | 2009 IECC |
Vermont | 2018 IECC with amendments | 2021 IECC |
Virginia | 2018 IECC with amendments | 2009 IECC |
Washington** | 2018 Washington State Energy Code | 2021 IECC |
West Virginia | 2009 IECC | 2009 IECC |
Wisconsin | 2009 IECC with amendments | 2009 IECC |
Wyoming | Home rule | No statewide code |
*A review of the codes in place in jurisdictions across the state indicates that 86% (Hawaii) and 82% (Arizona) of the population is covered by codes at this level.
**The Washington State Energy Code is based on the 2018 IECC but with significant amendments.
^^No updates were made this quarter (FY22Q3)
AVAILABLE DATA
The residential state-level results behind the adoption status maps are available.