Updated : 04/22/2024

Overview

Columbia, Missouri, adopted the 2018 International Residential Code (IRC), including Appendices A, B, C, E, F, G, H, K, N, Q, R, S, and U, with amendments. Columbia, MO, Muni. Code § 6-65 (adopted) and § 6-66 (amendments). Columbia, Missouri, adopted the 2018 International Building Code (IBC), including Appendices C, E, F, I, J, and N, with amendments. Columbia, MO, Muni. Code § 6-16 (adopted) and § 6-17 (amendments). Columbia, Missouri, adopted the 2018 International Existing Building Code (IEBC), including Appendices A, B, and C, with amendments. Columbia, MO, Muni. Code § 6-240 (adoption) and § 6-241 (amendments). 

Helpful resources for Columbia, Missouri include the following.

• PLRB, Ordinance and Law Coverage Discussion for Missouri

Residential Building Code

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

Columbia adopted the 2018 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:

2018 IRC(Columbia, MO Sec. 6-65. - Adopted.)

...The 2018 Edition of the International Residential Code for One- and Two-Family Dwellings, published by the International Code Council, Inc., including Appendices A, B, C, E, F, G, H, K, N, Q, R, S and U one copy of which has been on file with the city clerk for a period of ninety (90) days prior to the adoption of this article, is hereby adopted...

Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Columbia ? No
Comments:

The adoption of the residential code included an amendment stating that ice barrier underlayment is not required at the eaves.

Ground Snow Load – 20

Wind Speed (mph) – 115

Topographic Effects – No

Special Wind Region – No

Windborne Debris Zone – No

Seismic Design Category – B

Weathering – Yes Severe

Frost Line Depth – 30-inches

Termite – Moderate to Heavy

Winter Design Temperature – +4 Degrees Fahrenheit

Ice Barrier Underlayment Required – No

Flood Hazards – As regulated by City of Columbia Ordinances

Air Freezing Index – 0 to 1,500

Mean Annual Temperature – 55 degrees Fahrenheit

Columbia, MO, Muni. Code § 6-66 (amendments).

Comments

Columbia, Missouri, adopted the 2018 International Residential Code (IRC), including Appendices A, B, C, E, F, G, H, K, N, Q, R, S, and U, with amendments. Columbia, MO, Muni. Code § 6-65 (adopted) and § 6-66 (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.

No adoption of Appendix J was found in the municipal code or city ordinances. 

Columbia, Missouri, adopted the 2018 International Existing Building Code (IEBC), including Appendices A, B, and C, with amendments. Columbia, MO, Muni. Code § 6-240 (adoption) and § 6-241 (amendments). 

Commercial Building Code

Columbia adopted the 2018 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 Muni. Code(Columbia, MO Municipal Code)

...Adoption not found...

Comments

Columbia, Missouri, adopted the 2018 International Building Code (IBC), including Appendices C, E, F, I, J, and N, with amendments. Columbia, MO, Muni. Code § 6-16 (adopted) and § 6-17 (amendments).

Existing Buildings

Columbia, Missouri, adopted the 2018 International Existing Building Code (IEBC), including Appendices A, B, and C, with amendments. Columbia, MO, Muni. Code § 6-240 (adoption) and § 6-241 (amendments).

Other Building Codes