Updated : 11/25/2024

Overview

Chattanooga, Tennessee, adopted the 2018 International Residential Code (IRC), including Appendices A, B, C, and J, with amendments. Chattanooga, TN Muni. Codes § 10-1 (adoptions) and §§ 10-3 through 10-9 (amendments). Chattanooga, Tennessee, adopted the 2018 International Building Code (IBC), including Appendices A, C, D, F, I, J, and K, with amendments. Chattanooga, TN Muni. Codes § 10-1 (adoptions) and §§ 10-3 through 10-9 (amendments). Chattanooga, TN, did not adopt the International Existing Building Code (IEBC) and amended the reference to section 101.4.7 from the adopted IBC.

State regulations may not permit the adoption of a code less stringent than the codes adopted by the state. Link to Tennessee Building Codes.

Helpful resources for Chattanooga, Tennessee include the following.

• Jurisdiction's Information Page(s):
  • Chattanooga, Tennessee Home Page
  • Chattanooga, Tennessee Land Development
  • Chattanooga, Tennessee Adopted Codes
  • Chattanooga, Tennessee Municipal Code
• PLRB, Ordinance and Law Coverage Discussion for Tennessee

Residential Building Code

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

Chattanooga 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.

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2018 IRC with Tennessee amendments(Chattanooga, TN Sec. 10-1. - Building Code adopted.)

...The International Building Code, 2018 Edition, and the International Residential Code, 2018 Edition, one (1) copy of each which are, and have been on file in the Office of the City Council Clerk for more than fifteen (15) days, are hereby adopted as the Official Building Codes of the City. (Code 1986, § 10-1; Ord...

Drip Edge

Drip Edge: Yes

Ice Barrier

Are ice barriers required for Chattanooga ? Undetermined

Government Officials

Comments

Chattanooga, Tennessee, adopted the 2018 International Residential Code (IRC), including Appendices A, B, C, and J, with amendments. Chattanooga, TN Muni. Codes § 10-1 (adoptions) and §§ 10-3 through 10-9 (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.

Chattanooga, TN has adopted the 2012 IRC including appendix J. Chattanooga, TN, Muni. Code § 10-2.

Chattanooga, TN, did not adopt the International Existing Building Code (IEBC) and amended the reference to section 101.4.7 from the adopted IBC. Chattanooga, TN, Muni. Code § 10-3(m) (adoption).

Commercial Building Code

Chattanooga 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.

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2012 IBC with Tennessee amendments(Chattanooga, TN Sec. 10-1. - Building Code adopted.)

...The International Building Code, 2018 Edition, and the International Residential Code, 2018 Edition, one (1) copy of each which are, and have been on file in the Office of the City Council Clerk for more than fifteen (15) days, are hereby adopted as the Official Building Codes of the City. (Code 1986, § 10-1; Ord...

Comments

Chattanooga, Tennessee, adopted the 2018 International Building Code (IBC), including Appendices A, C, D, F, I, J, and K, with amendments. Chattanooga, TN Muni. Codes § 10-1 (adoptions) and §§ 10-3 through 10-9 (amendments).

Existing Buildings

Chattanooga, TN, did not adopt the International Existing Building Code (IEBC) and amended the reference to section 101.4.7 from the adopted IBC. Chattanooga, TN, Muni. Code § 10-3(m) (adoption).

Other Building Codes