Building Codes

*The 2018 International Codes (I-Codes) are anticipated to be adopted by the end of April 2019. Effective on or after May 1, 2019, all plans submitted to the city must meet all 2018 I-Code standards*
The Building Codes are a set of universally accepted standards adopted as guidelines for construction of buildings and related operations. The term "building codes" is a generic phrase that actually encompasses several individual codes, each of which must be adopted by the City Council before they can be applied or enforced. These codes are periodically updated, primarily due to new products entering the marketplace, and then minor revisions may be made in the adopting ordinance under the term "local amendments".

Local Amendments


The following is a listing of local amendments adopted by the City of Southlake related to building construction codes.

International Building Code:


International Mechanical Code:

International Energy Conservation Code:

International Fuel Gas Code:


International Fire Code:

International Plumbing Codes:

International Residential Code:


International Property Maintenance Code:

International Existing Building Code:


International Swimming Pool and Spa Code:


Effective September 15, 2017: The Texas Electrical Safety and Licensing Act requires the Texas Department of Licensing and Regulation (TDLR) to adopt the latest edition of the National Electrical Code (NEC) as the electrical code for the state of Texas. TDLR has adopted the 2017 NEC as the electrical code for the state of Texas and establish it as the "minimum standard" for all electrical work in Texas. See the TDLR website for additional information below.

Historical Building Codes


The building codes history provides a summary of all adopted building codes in the City of Southlake.

International Building Codes:

International Building Codes: