Portland

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Maine

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Cumberland County

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building codes

Link to Adopted Building Codes Information (PDF).

  • 2015 International Building Code (IBC) – updated January 2018 Chapter 4

  • 2015 International Existing Building Code (IEBC) – updated January 2018                       

  • 2015 International Mechanical Code (IMC) went into effect in Portland on December 19, 2021.

  • 2021 International Energy and Conservation Code (IECC) went into effect in Portland on July 1, 2021, as a stretch code of the 2015 IECC adopted under MUBEC.

Portland City Codes:

  • City of Portland Municipal Code Ch. 6 Building and Building Regulations

  • City of Portland Municipal Code Ch. 10 Fire Prevention and Protection (including 2018 NFPA 1 and 101) Electrical standards adopted pursuant to 32 M.R.S. §1153-A. (National Electric Code 2020) – STATE ADOPTED JULY 2021

  • The plumbing code adopted pursuant to 32 M.R.S. §3403-B (Uniform Plumbing Code 2021) – STATE ADOPTED JANUARY 2022

As of October 2023, the city says it intends to adopt the 2021 family of codes around mid-year 2024.

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