Updated : 04/22/2024

Overview

The State of Oklahoma adopted and enforces the Oklahoma Uniform Building Code. The building code is strictly mandated throughout the state; however, local jurisdictions may adopt additional more stringent provisions so long as they are not in conflict with the state code.

The City of Oklahoma City, OK, has adopted the state code (2015 ICC Codes), effective 09/24/19.

Helpful resources for Oklahoma City, Oklahoma include the following.

• PLRB, Ordinance and Law Coverage Discussion for Oklahoma

Residential Building Code

Oklahoma adopted a statewide mandatory residential code that will control; however, local governments are free to make laws more strict (with some limitations).See PLRB, Oklahoma Building Codes for more information on state level codes.

Oklahoma City adopted the 2015 IRC, statewide. 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.

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2018 IRC with Oklahoma amendments(Oklahoma City, OK § 12-172. - Intent; International Residential Code for One- and Two-Family Dwellings adopted; amendments.)

...safety to life and property from fire and other hazards attributed to the built environment of the citizens of The City of Oklahoma City, a residential code known as the International Residential Code for one- and two-family dwellings, being more specifically the 2015 Edition thereof, as amended by Resolution of the Council of the City, duly...

Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Oklahoma City ? Yes
Citation: Table R301.2(1) CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA
Municipal Code https://www.okc.gov/home/showpublisheddocument/21968/637511420835930000#page=4
Comments:

Table R301.2(1) CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA, is amended as follows: Table R301.2(1) CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA is hereby amended to fill the table with the following: ground snow load – 10 psf; wind speed – 90 mph; seismic design category – C; weathering – moderate; frost line depth – 18 inches; termite – yes; winter design temp. – 13F; ice barrier underlayment required – yes; flood hazards – See Chapter 16 of the Oklahoma City Municipal Code; air freezing index – 332; mean annual temp. – 60F. 

Comments

Oklahoma's state building codes adoption:

• International Residential Code, 2015 edition, effective date November 1, 2016.  Click Here for modifications to the code adopted by reference. 

The City has adopted the 2015 IRC, including Appendices E, G, H, O and T, with 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.

The City has not adopted Appendix J of the 2015 IRC. Refer to the adopted 1978 BOCA Basic Property Maintenance Code, with amendments.

Oklahoma City Municipal Code, 2010 § 24-11 (adoption).

Commercial Building Code

Oklahoma City adopted the 2015 IBC, statewide. 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.

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2015 IBC with Oklahoma amendments(Oklahoma City, OK § 18-5. - Compliance with requirements of Building Code.)

...The requirements of the Building Code as last adopted by the Oklahoma Uniform Building Code Commission and as adopted by the City pertaining to electric wiring and equipment are a part of this Code, and as such, all electrical contractors shall comply with said requirements, and the Chief Electrical Inspector and assistants shall enforce said...

Comments

Oklahoma's state building codes adoption:

• International Building Code, 2015 edition, effective date November 1, 2015, Click Here for modifications to the code adopted by reference.

The City has adopted the 2015 IRC, with amendments. 

Existing Buildings

Oklahoma's state building codes adoption:

• International Existing Building Code, 2015 edition, effective date November 1, 2015, Click Here for modifications to the code adopted by reference.

Other Building Codes