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Hawaii Codes

The process of Hawai‘i code approval begins at the State Building Code Council (SBCC). After amendments to model codes are approved by the council, administrative rules are written for authorization by the Governor. After the State Code is adopted, Hawai‘i counties shall adopt the Hawaii state building codes, or amended version, within two years. If a county does not amend/adopt within two years, the Hawaii state building codes become applicable as an interim county building code. The State of Hawai‘i adopted IECC 2015 on March 20, 2015, with a 10-day lead-in period, making the new energy code effective as of March 31, 2015. See HRS Section 107 for more details. Currently, Honolulu, Maui, and Hawaii counties have adopted 2006 IECC, while Kauai County has adopted 2009 IECC. Since each county adopts and enforces its own energy code, counties are expected to adopt IECC 2015 or better by March 2019.

Source: Gaur Johnson, Structural Engineers Association of Hawaii

Table 1: State & County Energy Code Status and Enactment Versions with Effective Dates

The following checklists are designed to simplify energy code compliance for Commercial building Designers and simplify review for Code Official Plan Reviewers. IECC 2006 checklists are provided as reference, while the IECC 2015 is based on the national code. State amendments have been made and counties may further amend, so be sure to check with the State Energy Office for the latest amended versions of the energy code.

Additional information provided at the following resources:

Hawaii State Energy Office:
US DOE – Code Adoption:
US DOE – Code Compliance:


For questions, please contact Ramsey Brown 808-848-8571


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