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Jefferson County, Kentucky Building Codes

Updated : 04/22/2024

Overview

Jefferson County uses the 2013 Edition of the State Codes, which also include the Kentucky Residential Code (KRC) and the Kentucky Building Code (KBC).

Helpful resources for Jefferson County, Kentucky include the following.

Residential Building Code

Kentucky adopted a statewide mandatory residential code that will control. Authority for local amendments will be limited.See PLRB, Kentucky Building Codes for more information on state level codes.

Jefferson County adopted the 2012 IRC, statewide with limitations. 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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Drip Edge

Drip Edge: Yes

Ice Barrier

Comments

The County is required to use the KRC without any local 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.

Refer to §R102.7 and §R102.7.1 of the KRC See Page 7 of 2013 Kentucky Residential Code, Second Edition August 2013

Commercial Building Code

Jefferson County adopted the 2012 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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Comments

The County is required to use the KBC without any local amendments.

Existing Buildings

Refer to Chapter 34 of the adopted 2012 IBC. Refer also to §102.6 of the KBC. See Page 2 of Kentucky Building Code Tenth Edition 2013 Revised June 2013.

Other Building Codes

Refer to the other codes adopted by the State:

2012 International Fire Code (IFC) as used on new construction when referenced in the KBC

2012 International Mechanical Code

2009 ICC/ANSI A117.1 – Accessible and Usable Buildings and Facilities

2009 International Energy Conservation Code – buildings regulated by the KBC code

2009 International Energy Conservation Code – buildings regulated by the KRC code

2007 Kentucky Plumbing Code

2009 NFPA National Fuel Gas Code

2011 NFPA 70 National Electrical Code (Effective September 1, 2009)

2010 NFPA 13- Sprinkler Systems

2010 NFPA 13D-Sprinkler Systems – One/Two Family Dwelling

2010 NFPA 13R-Sprinkler systems in Residential Occupancies

2010 NFPA 14-Standpipe, Hose Systems

2010 NFPA 72-Fire Alarm