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.

Oklahoma's building codes include:

• International Residential Code (for One and Two Family Dwellings), 2015 edition, effective September 17, 2018 (amendments).
• International Building Code, 2015 edition, effective September 17, 2018 (amendments).

Helpful resources for Mustang, 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.

Mustang 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(Mustang, OK Sec. 18-33A. - 2018 International Residential Code for One and Two-Family Dwellings.)

...A certain document, three copies of which are on file in the office of the city clerk of the City of Mustang, Oklahoma, being marked and designated as the International Residential Code, 2018 edition, including commentaries and Appendix H (Patio Covers), Appendix J (Existing Buildings and Structures), and Appendix U (Automatic Fire Sprinkler...

Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Mustang ? Yes
Citation: § 18-33B
Municipal Code https://library.municode.com/ok/mustang/codes/code_of_ordinances?nodeId=PTIICOOR_CH18BUBURE_ARTIIBUCO_S18-33BCISTAM2015INRECOOMIDW
Comments:

IRC § Table R301.2(1) is 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. – 13°F

ice barrier underlayment required – yes

flood hazards – See Chapter 50 of the Code of Ordinances of the City of Mustang, Oklahoma

air freezing index – 332

mean annual temp. – 60°F."

Government Officials

Commercial Building Code

Mustang 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(Mustang, OK Sec. 18-31A. - 2018 International Building Code.)

...marked and designated as the International Building Code, 2018 edition, as published by the International Code Council, as amended by the City of Mustang in section 18-31.B herein, and including Appendix F (Rodentproofing), Appendix I (Patio Covers), and Appendix J (Grading), is hereby adopted as the Building Code of the City of Mustang, State...

Comments

The State of Oklahoma has adopted the 2015 IEBC with amendments:

International Existing Building Code, 2015 edition, effective September 15, 2017 (amendments).

Other Building Codes