Code Status Maps > Local Adoptions by State

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According to the International Code Council (ICC), the IgCC is currently in use or adopted in 14 states and the District of Columbia.

See also: ICC Adoptions by Jurisdiction

Arizona

Name Type Population Current Energy Code
Avondale City 79,646 2012 IECC with amendments
Effective July 3, 2013
Benson City 5,105 2006 IECC
City of Benson Adopted Codes
Buckeye City 59,470 2012 IECC for residential construction with a HERS compliance option
Bullhead City City 39,445

2006 IRC

Chapter 15.12, Building Code:

Buildings classified as “R” occupancies shall be designed and constructed in accordance with Part IV, Energy Conservation of Chapter 11 of the 2006 IRC for one and two-family dwellings, except that Section N1101.8 Certificate, is deleted in its entirety.

Camp Verde Town 11,097 2012 IECC with amendments
Adopted August 6, 2014; effective September 16, 2014
Carefree Town 3,487 2003 IECC applies to all construction regulated by the International Residential Code (IRC).
Carefree AZ Code of Ordinances
Casa Grande City 51,478 2012 IECC with amendments
Effective August 6, 2014
Cave Creek Town 5,341 2009 IECC
Adopted Buildings Codes in Cave Creek
Adopted January 1, 2012
Chandler City 254,276

2015 IECC with amendments
Effective July 1, 2016

2012 IECC with amendments
Effective August 1, 2013

Clarkdale Town 4,122 2006 IECC with amendments
Effective April 11, 2014
Cochise County 126,427 2012 IECC with amendments
Effective June 1, 2015
Coconino County 139,097 2012 IECC with amendments
Passed June 17, 2014; effective July 17, 2014
Building Permit Procedures and Minimum Plan Requirements for Residential Projects
Coolidge City 12,297 2006 IECC
Effective January 26, 2009
Current Codes | Resolution No. 09-05
Dewey-Humboldt Town 3,951 2006 IECC with amendments
Passed and adopted March 17, 2009
Ordinance No.09-48
Douglas City 16,744 2006 IECC
Title 15: Buildings and Construction
El Mirage City 33,532 2012 IECC with amendments
Effective July 1, 2013
Flagstaff City 68,785 2009 IECC with amendments
Florence Town 26,912 2006 IECC
Effective November 15, 2007
Fountain Hills Town 23,573 2006 IECC with amendments
Effective November 21, 2013
Gilbert Town 239,277 2012 IECC (voluntary only)
2006 IECC with amendments
Glendale City 237,517 2012 IECC with amendments
Effective December 1, 2012
Policy for IECC Compliance
Goodyear City 75,664 2012 IECC with amendments
Effective July 1, 2015
Huachuca City Town 1,853 2012 IECC with amendments
Kayenta Township Tribal Community 5,189 2010 IgCC Public Version 2.0 (voluntary)
News article: First tribal community in the nation adopts international green building code
Kingman City 28,068 2012 IECC with amendments
Marana Town 39,888 2012 IECC with amendments
Effective July 1, 2013
Maricopa County 4,087,191 2012 IECC (voluntary only) with amendments
Adopted August 7, 2013
Mesa City 464,704

2009 IECC with amendments
Effective January 1, 2012
Ordinance No. 5055

Oro Valley Town 41,627 2012 IECC with amendments
Adopted June 14, 2013
Paradise Valley Town 13,663

2015 IECC
Adopted May 26, 2016

Formerly the 2012 IECC with amendments.

Parker Town 3,083 2006 IECC
Building codes in use in the Town of Parker
Peoria City 166,934 2012 IECC with amendments.
Phoenix City 1,537,058

2012 Phoenix Building Construction Code, including the 2012 IECC with amendments, including a HERS Index Score alternate compliance option, and the 2012 IgCC with amendments.
Effective July 1, 2013

Phoenix Green Construction Code
Effective July 1, 2011
The Phoenix Green Construction Code incorporates adopted amendments to the National Green Building Standard for residential construction.

Phoenix Construction Code History

Pima County 1,004,516

2012 IECC with amendments
Approved August 7, 2012 by Ordinance No. 2012-34, effective January 1, 2013

Prior to this, the Pima county energy code was based on the 2006 IECC.

Pinal County 406,584 2006 IECC
Effective September 19, 2012
2012 Building Code Ordinance
Prescott City 40,958 2012 IECC with amendments
Quartzsite Town 3,677 2006 IBC and IRC including energy efficiency chapters
Town Code Chapter 7: Building
Queen Creek Town 32,236 2012 IECC with amendments
Effective January 1, 2014
Sahuarita Town 27,547 2012 IECC with amendments
Scottsdale City 230,512

2015 IECC as amended by the 2016 City of Scottsdale Building Codes and Amendments
Adopted on November 28, 2016 by Ordinance No. 4284, effective January 1, 2017
November 28th City Council Meeting Report

2015 IgCC
Adopted on November 28, 2016 by Ordinance No. 4284, effective January 1, 2017

Previous code: The 2012 IECC is adopted by reference via chapter one of the IBC.
Effective January 7, 2013

Scottsdale Energy and Green Construction Codes
2012 IgCC with amendments

Show Low City 10,841 2006 IRC
City Code Chapter 7: Building
Sierra Vista City 43,806 2012 IECC
2012 IECC Residential Energy Efficiency Code Requirements Flow Chart
Surprise City 126,275 2012 IECC with amendments
Effective September 2, 2014
Tempe City 172,816 2012 IECC with amendments
Effective July 1, 2015
Tolleson City 6,929 2012 IECC
City of Tolleson Adopted Codes
Tucson City 527,972

2012 IECC with amendments

Compliance with the Pima County Net-Zero Energy Standard means that a building is also considered compliant with the 2012 IECC. Established in 2012, the purpose of the Tucson/Pima County Standard for Net-Zero Buildings is to provide both prescriptive and performance paths for designing net-zero energy building and net-zero energy remodels within the Tucson/Pima County climate, which is within ASHRAE climate zone 2.

Yavapai County 222,255 2006 IECC with amendments
Effective October 8, 2008
Yuma City 93,400 2009 IECC with amendments
Adopted April 3, 2013, effective December 1, 2013
Yuma County 203,247 2009 IECC with amendments
Effective January 1, 2014

The Arizona Department of Housing has also adopted the 2009 IECC.

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Colorado

Name Type Population Current Energy Code
Adams County 491,337 2006 IECC
Adopted Building Codes
Arapahoe County 631,096

2009 IECC with amendments

Arvada City 115,368

2009 IECC with amendments

According to the Arvada Press, the Arvada City Council is scheduled to review Arvada’s building and residential codes in late 2016.

Aurora City 353,108

The Aurora Building Division is in the process of adopting the 2015 I-codes, including the 2015 IECC with amendments.

Boulder County 313,333 2015 IECC with amendments
The new codes are effective in unincorporated Boulder County for all building permit applications received on or after January 1, 2016.
Boulder City 105,112 2012 IECC with amendments
Effective January 31, 2014
Broomfield City 62,138 2012 IECC with amendments
Compliance options for single family dwellings
Effective March 15, 2014
Carbondale Town 6,574 2009 IECC

2012 IgCC Ordinance
Adopted April 24, 2013

Denver City 663,862 Denver Building Code
Based on the 2015 IECC with amendments
Adopted March 7, 2016, effective September 12, 2016
Eagle County 53,605 2009 IECC with amendments
Amended May 1, 2012
Eagle Town 6,572 2012 IECC
Fort Collins City 156,480 2012 IECC with amendments
Applies to multifamily residential (apartment/condo three stories max); single-family homes must comply with the requirements of the 2012 IRC’s Chapter 11 with amendments
Adopted February 4, 2014

Significant portions of the IgCC as a part of green building code amendments to the city’s building codes.
Commercial Building Code Green Building Amendments (prescriptive)

Fort Morgan City 11,319

2009 IECC
Effective July 1, 2014
Ordinance No. 1121

Fort Morgan hopes to adopt the 2015 I-codes, including the energy code, by 2017.
Article:  Changes coming for building in Fort Morgan

Jefferson County 565,524 2009 IECC
Effective January 1, 2016
Adopted Building Codes Effective 2016
Lakewood City 149,643 2009 IECC with amendments
Effective September 1, 2011
Larimer County 333,577 2015 IECC with commercial and residential
Effective May 1, 2016
Longmont City 90,237 2015 IECC with amendments
Adopted and effective January 1, 2016
Mountain Village Town 1,367 2012 IECC with amendments
Adopted March 2014
Nederland Town 1,491 2012 IECC
Adopted October 18, 2016
See Ordinance 744
Parker Town 48,608

2015 IECC with amendments
Adopted December 7, 2015

Article: Energy Codes Count award recognizes results

Routt County 24,130

2009 IECC
Effective January 1, 2013
Resolution No. 2012-051

The 2015 I-codes are scheduled to take effect by early 2017.
2009-2015 IECC Commercial Significant Changes Summary

Snowmass Village Town 2,898 2015 IECC, 2012 IgCC
Effective August 1, 2015
Vail Town 5,328 2015 IECC with amendments
Adopted October 2015

Please also see the Colorado Department of Local Affairs for Colorado 2012 and 2009 IECC adoption statuses by county.

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District of Columbia

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The 2013 District of Columbia Green Construction Code (GCC) consists of the 2012 IgCC as amended by the 2013 District Construction Codes Supplement.

Florida

Name Type Population Current Energy Code
Boynton Beach City 73,124 IgCC

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Idaho

Name Type Population Current Energy Code
Boise City 216,282 2012 IECC
2012 IgCC – Boise City Green Construction Code
Effective January 1, 2015

Residential Energy Code Compliance

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Kansas

Name Type Population Current Energy Code
De Soto City 6,038 2012 IECC with amendments
Fairway City 3,963 2012 IECC with amendments
Adopted December 14, 2015
Johnson County 580,159 2012 IECC with amendments
Effective May 13, 2013
Lawrence City 92,763

In June 2016, the Lawrence City Council adopted the 2015 IECC by Ordinance No. 9244. This code became effective on July 1, 2016.

2012 IECC with amendments
Effective July 1, 2013

Leawood City 34,395 2012 IECC with amendments
Effective April 1, 2013
Manhattan City 56,078 2009 IECC with amendments
Effective April 1, 2013
Merriam City 11,290 2012 IECC with amendments
Effective January 1, 2015
Mission City 9,501 2012 IECC with amendments
Adopted March 20, 2013
Olathe City 133,062 2012 IECC with amendments
Adopted March 1, 2014
Ottawa City 12,403 2012 IECC with amendments
Adopted June 5, 2013, Effective January 1, 2014
Overland Park City 184,525 2012 IECC
Overland Park Building Codes
Roeland Park City 6,840 2012 IECC with amendments
Shawnee City 64,599 2012 IECC with amendments
Topeka City 127,215 2009 IECC with amendments
Applies to residential buildings only per the International Residential Code (IRC)
Wyandotte County 163,369 2009 IECC with amendments
Includes Kansas City, KS.

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The Kansas Corporation Commission has released a survey of codes adopted by jurisdiction as of June 2016.

Maryland

Name Type Population Current Energy Code
Baltimore City 622,793 2012 IgCC (mandatory)
Effective April 1, 2015
News Article: Green Code Mandatory on April 1 For All Building in Baltimore
Rockville City 65,937 2012 IgCC (mandatory for all commercial and multifamily building)
News Article: City of Rockville Implementing the IgCC

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Missouri

Name Type Population Current Energy Code
Belton City 23,165 2012 IECC with amendments
Effective April 1, 2013
Columbia City 119,108

2015 IECC
In June 2016, the Columbia City Council voted to adopt the 2015 IECC as written to regulate energy use in residential and commercial buildings.

2012 Energy Code Recommendations – Environment & Energy Commission (EEC)

Kansas City City 470,800

2012 IECC with amendments
Passed May 24, 2012; effective June 3, 2012; mandatory compliance began October 1, 2012
Ordinance #120375

O’Fallon City 85,040

2015 IECC with amendments
Passed September 9, 2016; effective December 9, 2016
Ordinance #6250

Platte County 94,788 2009 IECC
See the Platte County Planning and Zone Building Permit Packet, revised January 8, 2014
St. Louis City 317,419 2009 IECC with amendments
St. Louis County 1,001,876 Commercial buildings must comply with provisions of the 2009 IECC as stated in the county’s IBC amendments. Residential buildings must comply with Chapter 11 of the 2009 IRC with amendments.

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New Hampshire

Name Type Population Current Energy Code
Durham Town 16,645

2015 IECC with local amendments
Durham Energy Codes

In early 2011, Durham was also one of the first jurisdictions to adopt the 2012 IECC. (See Ordinance #2011-02 for more information.)

Keene City 23,034 Keene has adopted the IgCC for use with projects awarded urban development zone incentives.

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North Dakota

Name Type Population Current Energy Code
Fargo City 118,523

2009 IECC
As of August 26, 2013, the 2012 suite of I-codes – with the exception of the energy code, have been adopted.

Grand Forks City 57,011

2009 IECC with amendments
Grand Forks Code of Ordinances

Williston City 26,977

2009 IECC or the 2009 IRC Chapter 11 in accordance with the North Dakota State Building Code.

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Rhode Island

In October 2010, Rhode Island became the first state to adopt the IgCC as an option for the design and construction of all major public facilities.

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South Dakota

Name Type Population Current Energy Code
Sioux Falls City 171,544 2012 IECC with local amendments

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Texas

Effective April 1, 2015, the city of Amarillo has adopted the 2015 IECC with amendments.

On September 26, 2012, the City Council of Dallas approved the International Green Construction Code (IgCC) as mandatory for all new construction as well as additions; it will, however, exclude renovations. This was on the recommendation of the Green Building Task Force, which is comprised of industry stakeholders and registered City of Dallas third party voters. This code became effective October 2013.
News article: Dallas Rolls Out US Green Building Code

During the summer of 2012, El Paso adopted the 2012 IECC as a voluntary, incentivized code for new residential and commercial construction and major renovations. Those who use the 2012 IECC are eligible for permit fee discounts for early implementation.
Ordinance

Houston amendments to the 2009 IECC
Applies to the residential portions of the code
Effective January 6, 2012

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Washington

Name Type Population Current Energy Code
Richland City 53,019 The IgCC is a optional reference document for the construction of commercial buildings
Effective July 1, 2010
Adopted Codes for the City of Richland

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Wyoming

Name Type Population Current Energy Code
Casper City 60,086

2015 IECC by reference only:
A COMcheck report using the 2015 IECC shall be submitted with the proposed building plans for the building envelope only at the time of application for review and comment. The COMcheck report will be required for all occupancies within the 2015 IBC, except for S-1, S-2, F-1, F-2 and U occupancies.

Cheyenne City 62,845

2009 IECC
Code Information

Gillette City 31,971

2012 IECC by reference only:
A COMcheck compliace report using the 2012 IECC or ASHRAE Standard 90.1-2013 shall be submitted with the proposed building plans at the time of application for review and comment. Only the building envelope calculations are required. Exception: IBC Occupancies S-1, S-2, F-1, F-2, and U are exempt from the above requirement.

2015 IRC Chapter 11 with amendments

Laramie City 32,081

2012 IECC with amendments
Updated July 1, 2014

Rawlins City 9,173

ASHRAE 90.1-2013 standards or a COMcheck compliance report using the 2015 IECC shall be submitted with the proposed building plans at the time of applications for review and comment. Only building envelope calculations are required. IBC occupancies S-1, S-2, F-1, F-2 and U are exempt from the above requirement.

Residential construction must comply with 2015 IRC Chapter 11 with amendments.

Section 15.24.190 Energy Conservation Code (see page 25)

Sheridan City 17,916

2012 IECC, minimum insulation standards only

Teton County 23,125

2012 IECC with amendments
Adopted and effective since April 1, 2014

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This page was last modified on: December 27, 2016