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Maricopa County, Arizona Building Codes

Updated : 04/22/2024

Overview

After researching, we were unable to locate the building code adoption ordinance.

Maricopa County, AZ adopts the following codes:

  • The International Building Code, 2012 edition. Maricopa County, AZ Local Additions & Addenda § 301 (adoption and amendments).
  • The International Residential Code, 2012 edition. Maricopa County, AZ Local Additions & Addenda § 302 (adoption and amendments).
  • The International Existing Building Code, 2012 edition. Maricopa County, AZ Local Additions & Addenda § 310 (adoption and amendments).
Helpful resources for Maricopa County, Arizona include the following.

Residential Building Code

Arizona has yet to adopt a statewide residential code. Local laws will control.See PLRB, Arizona Building Codes for more information on state level codes.

Maricopa County adopted the 2012 IRC, locally. Note that adoptions usually come with amendments. So, it is important to review those amendments in addition to the unamended model code.

You can find a copy of the model code here.

You can find information about amendments to the model code here.

Auto Search - beta:

See Code Publishing(City of Maricopa, AZ Municipal Code)

...Adoption not found...

Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Maricopa County ? Undetermined

Comments

After researching, we were unable to locate the building code adoption ordinance.

Maricopa County, AZ adopts the International Residential Code, 2012 edition. Maricopa County, AZ Local Additions & Addenda § 302 (adoption and amendments).

Existing Buildings

Existing buildings, meaning buildings that were built in accordance to code at the time of construction, typically merit extra consideration in a current updated code.

After researching, we were unable to locate the building code adoption ordinance.

There is no mention of the adoption of Appendix J of the 2012 IRC.

Commercial Building Code

Maricopa County adopted the 2012 IBC, locally . Note that adoptions usually come with amendments. So, it is important to review those amendments in addition to the unamended model code.

You can find a copy of the code here.You can find information about amendments to the model code here.

Auto Search - beta:

See Code Publishing(City of Maricopa, AZ Municipal Code)

...Adoption not found...

Comments

After researching, we were unable to locate the building code adoption ordinance.

Maricopa County, AZ adopts the International Building Code, 2012 edition. Maricopa County, AZ Local Additions & Addenda § 301 (adoption and amendments).

Existing Buildings

After researching, we were unable to locate the building code adoption ordinance.

Maricopa County, AZ adopts the International Existing Building Code, 2012 edition. Maricopa County, AZ Local Additions & Addenda § 310 (adoption and amendments).

Other Building Codes

After researching, we were unable to locate the building code adoption ordinance.

Maricopa County, AZ also adopts the following codes:

  • The International Mechanical Code, 2012 edition. Maricopa County, AZ Local Additions & Addenda § 303 (adoption and amendments).
  • The International Plumbing Code, 2012 edition. Maricopa County, AZ Local Additions & Addenda § 304 (adoption and amendments).
  • The National Electrical Code (NFPA-70), 2011 edition. Maricopa County, Az Local Additions & Addenda § 305 (adoption and amendments).
  • The International Fire Code, 2003 edition. Maricopa County, AZ Local Additions & Addenda § 306 (adoption and amendments).
  • The International Fuel Gas Code, 2012 edition. Maricopa County, AZ Local Additions & Addenda § 307 (adoption and amendments).
  • The International Green Construction Code, 2012 edition. Maricopa County, AZ Local Additions & Addenda § 308 (adoption and amendments).
  • The International Energy Conservation Code, 2012 edition. Maricopa County, AZ Local Additions & Addenda § 309 (adoption and amendments).