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Building Codes

Building, gas, mechanical, electrical, plumbing and zoning codes are the rules, regulations and specifications that the City of Chattanooga has adopted by law to help ensure quality construction and a safe finished or altered structure for the benefit of public and/or private use.

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Adopted Codes

On February 28, 2023, the City Council passed several ordinances that will affect the design and construction of projects located inside the corporate city limits of Chattanooga. 

As of May 26, 2023, we will no longer accept plans drawn to previous codes! 

Effective immediately, the following codes are enforced by the Land Development Office:

  • International Building Code, 2018 edition
  • International Residential Code, 2018 edition
  • National Electrical Code, 2017 edition
  • International Fire Code, 2018 edition
  • International Mechanical Code, 2018 edition
  • International Fuel Gas Code, 2018 edition
  • International Plumbing Code, 2018 edition
  • 2018 International Energy Conservation Code with State Amendments 
  • Accessible and Usable Buildings and Facilities (ANSIIICC A117.1), 2009 edition

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