Updated : 06/27/2024

Overview

Nashville-Davidson County, Tennessee, adopted the 2018 International Residential Code (IRC), including Appendices E, F, G, H, and M, with amendments. Nashville-Davidson County, TN, Muni. Codes § 16.08.010 (adoptions) and § 16.08.014 (amendments). Nashville-Davidson County, Tennessee, adopted the 2018 International Building Code (IBC), including Appendices C and D, with amendments. Nashville-Davidson County, TN, Muni. Codes § 16.08.010 (adoptions) and § 16.08.012 (amendments). No local adoption of the International Existing Building Code (IEBC) was found; However, the state adopted the 2012 IEBC as a statewide minimum existing building code. TN ADC 0780-02-02-.01(1)(h).

Helpful resources for Nashville Davidson County, Tennessee include the following.

• Jurisdiction's Information Page(s):
  • Nashville-Davidson County, Tennessee Home Page
  • Nashville-Davidson County, Tennessee
  • Nashville, Tennessee Adopted Codes List
  • Nashville-Davidson County, 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.

Nashville Davidson County 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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Drip Edge

Drip Edge: Yes

Ice Barrier

Are ice barriers required for Nashville Davidson County ? No
Comments:

The adoption of the residential code included an amendment stating that ice barrier underlayment is not required at the eaves.

Ground Snow Load (lbs.)		10
Wind Design	Speed (mph)	115
	Topographic effects	No
	Special Wind Region	No
Windborne Debris Zone		No
Seismic Design Category		B
Subject to Damage From:	Weathering	Severe
	Frost line depth (inches)	12″
	Termite	Heavy
Winter Design Temp (Degrees)		14° F
Ice Barrier Underlayment Required		No
Flood Hazards		In accordance with adopted Storm Water ordinance
Air Freezing Index		366
Mean Annual Temp		59° F
Manual J Design Criteria Elevation (feet)		640
Latitude (Degrees North)		35
Winter Heating		14
Summer Cooling		94
Altitude Correction Factor		*
Indoor Design Temperature		70
Design Temperature Cooling		75
Heating Temperature Difference		*
Cooling Temperature Difference		*
Wind Velocity Cooling		*
Coincident Wet Bulb		74
Daily Range		M
Winter Humidity		*
Summer Humidity		*

Nashville-Davidson County, TN, Muni. Code § 16.08.014(f) (amendments).

Comments

Nashville-Davidson County, Tennessee, adopted the 2018 International Residential Code (IRC), including Appendices E, F, G, H, and M, with amendments. Nashville-Davidson County, TN, Muni. Codes § 16.08.010 (adoptions) and § 16.08.014 (amendments).

R313.1 Townhouse automatic fire sprinkler systems. A townhouse shall be considered a separate building with independent exterior walls and shall be separated by a two-hour fire-resistance-rated wall assembly. A townhouse shall be built according to local and statewide adopted building codes; provided, however, a fire sprinkler system shall not be required for a townhouse. For the purposes of this Code, “townhouse” means a single-family dwelling unit constructed in a group of three (3) or more attached units that extends from foundation to roof, not more than three (3) stories in height, with a separate means of egress, and an open space or public way on at least two (2) sides.

R313.2 of the 2018 Edition of the International Residential Code for One- and Two-Family Dwellings is hereby amended by deleting Section R313.2 in its entirety. Nashville, TN Muni. Code § 16.08.014(k).

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.

No adoption of Appendix J was found in the municipal code or the city ordinances.

No local adoption of the International Existing Building Code (IEBC) was found in the municipal code or city ordinances; However, the state adopted the 2012 IEBC as a statewide minimum existing building code. TN ADC 0780-02-02-.01(1)(h).

Commercial Building Code

Nashville Davidson County 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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Comments

Nashville-Davidson County, Tennessee, adopted the 2018 International Building Code (IBC), including Appendices C and D, with amendments. Nashville-Davidson County, TN, Muni. Codes § 16.08.010 (adoptions) and § 16.08.012 (amendments).

Existing Buildings

No local adoption of the International Existing Building Code (IEBC) was found in the municipal code or city ordinances; However, the state adopted the 2012 IEBC as a statewide minimum existing building code. TN ADC 0780-02-02-.01(1)(h).

Other Building Codes