Updated : 04/22/2024

Overview

Jefferson City, MO has adopted the 2015 International Codes, with amendments, including the 2015 IRC (for One and Two Family Dwellings) and IBC. Jefferson City, MO Muni. Codes § 8-21 (IRC adoption), § 8-22 (IRC amendments), § 8-18 (IBC adoption) and § 8-19 (IBC amendments).

 

Helpful resources for Jefferson City, 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.

Jefferson City adopted the 2015 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.

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2018 IRC(Jefferson City, MO Sec. 8-21. - Adoption of the 2018 International Residential Code.)

...The 2018 International Residential Code, for One and Two Family Dwellings, published by the International Code Council, including Appendix J, is hereby adopted and incorporated herein by reference as the Residential Code of the City of Jefferson, Missouri with the additions, insertions, deletions and changes contained within this chapter....

Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Jefferson City ? Yes
Citation: § 8-22
Municipal Code https://library.municode.com/mo/jefferson_city/codes/code_of_ordinances?nodeId=CD_ORD_CH8BUBURE_ARTIIBUCO_S8-22AM2015INRECO
Comments:

Table R301.2(1): Use the following values for the table:

Ground Snow Load: 20 psf

Wind Design: Speed – 115 mph

Topographic effects – no

Special wind region – no

Wind-borne debris zone – no

Seismic Design Category: B

Subject to damage from: Weathering – Severe

Frost line depth – 24"

Termite – moderate to heavy

Winter design temperature: 4°

Ice barrier underlayment required: yes

Flood hazards: ordinance passed March 19, 1980; flood maps dated November 2, 2012

Air freezing index: 903

Mean annual temperature: 55;°

Government Officials

Comments

Jefferson City, MO has adopted the 2015 IRC including appendix J. Jefferson City, MO Muni. Code § 8-21.

Section R313.1: Delete – townhouse fire sprinkler.

Section R313.2: Delete – One and Two family sprinklers.

Section R313.3: Add the following per Section 67.281.1 RSMo:

A builder of one or two family dwellings or townhouses shall offer to any purchaser, on or before the time of entering into the purchase contract, the option at the purchaser's cost to install or equip an automatic fire sprinkler system in the dwelling or townhouse. Notwithstanding any other provision of the law to the contrary, no purchaser of such a one or two family dwelling or townhouse shall be denied the right to choose or decline an automatic fire sprinkler in such dwelling or townhouse being purchased. Jefferson City, MO Muni. Code § 8-22.

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.

Jefferson City, MO has adopted the 2015 IRC including appendix J. Jefferson City, MO Muni. Code § 8-21.

Commercial Building Code

Jefferson City adopted the 2015 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.

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See Muni. Code(Jefferson City, MO Municipal Code)

...Adoption not found...

Existing Buildings

Jefferson City, MO has adopted the 2015 IEBC. Jefferson City, MO Muni. Codes § 8-23 (adoption) and § 8-24 (amendments).

Other Building Codes