As of September 28, 2011, a change in law that now requires municipalities of 4,000 or more in population (formerly 2,000) to enforce the Maine Uniform Building and Energy Code if they HAD a building code in place by August 2008.

As of July 1, 2012, the MUBEC must be enforced in a municipality with a population of 4,000 residents or more that had NOT adopted any building code on or before August 1, 2008.

Municipalities of up to 4,000 residents may not adopt or enforce a building code other than the Maine Uniform Building Code (MUBC), the Maine Uniform Energy Code (MUEC) or the Maine Uniform Building and Energy Code (MUBEC).

Municipalities with less than 4,000 residents are not required to enforce MUBEC, MUEC or MUBC unless they wish to do so and have the following Options:

1. Chose to adopt and enforce the MUBEC as listed above
2. Choose to adopt and enforce MUBC (the building code without energy code in it)
3. Choose to adopt and enforce MUEC (the energy code only)
4. Choose to have no code

*Please see the Legislation page for more information.

**MUBEC still remains as:

A. Maine Uniform Building and Energy Code "MUBEC" consists of the following codes:

• 2009 International Residential Code (IRC)
• 2009 International Building Code (IBC)
• 2009 International Existing Building Code (IEBC)
• 2009 International Energy Conservation Code (IECC)

The following standards are also adopted as part of the MUBEC, but are not mandatory. These are only guidelines should you choose to use them as to how it should be done:

B. The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) Standards:

• 62.1 - 2007 (Ventilation for Acceptable Indoor Air Quality)
• 62.2 - 2007 (Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings)
• 90.1 - 2007 (Energy Standard for Buildings except Low-Rise Residential Buildings) editions without addenda.

C. E-1465-2006, Standard Practice for Radon Control Options for the Design and Construction of New Low-Rise Residential Buildings.

MAINE CODE AMENDMENTS

Maine has adopted these national model codes and standards with amendments. The amendments are listed in Rule Chapters 1-6 below. 

Click individual links below or see the full text of all Maine amendments to code: Full text of Maine Code Amendments

**NOTE: These chapters are ALSO being revised and updated in accordance with Legislation from this last session. They will be posted here as soon as possible.

Chapter 1 Administration Final Adoption

Chapter 2 Third Party Inspectors Final Adoption

Chapter 3 - IBC (2009) International Building Code Final Adoption

Chapter 4 - IEBC (2009) International Existing Building Code Final Adoption

Chapter 5 - IRC (2009) International Residential Building Code Final Adoption

Chapter 6 - IECC (2009) International Energy Conservation Code Final Adoption

MUBC (Maine Uniform Building Code) consists of:

• 2009 International Residential Code (IRC)
• 2009 International Building Code (IBC)
• 2009 International Existing Building Code (IEBC)
• 62.1 - 2007 (Ventilation for Acceptable Indoor Air Quality)
• 62.2 - 2007 (Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings)
• E-1465-2006, Standard Practice for Radon Control Options for the Design and Construction of New Low-Rise Residential Buildings

MUEC (Maine Uniform Energy Code) consists of:

• 2009 International Energy Conservation Code (IECC)
• 62.1 - 2007 (Ventilation for Acceptable Indoor Air Quality)
• 62.2 - 2007 (Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings)
• 90.1 - 2007 (Energy Standard for Buildings except Low-Rise Residential Buildings) editions without addenda.
• E-1465-2006, Standard Practice for Radon Control Options for the Design and Construction of New Low-Rise Residential Buildings.