Adopted edition
State · TN
Tennessee building codes at a glance.
Tennessee adopts IRC 2018 statewide via the State Fire Marshal. Coverage in progress.
TN Tennessee
IECC zones 3A, 4A · ASCE 7 design wind 90–115 mph
Adoption model
Municipal adoption
Permits issued: Local
Coverage status
In progress
Parcel + edition library indexing in progress; per-jurisdiction lookups available.
Climate zones (IECC)
3A · 4A
Drives R-value, fenestration U-factor, and air-leakage envelope rules.
Design wind speed
90–115 mph
ASCE 7 Risk Category II, 3-second gust at 33 ft. Fastener spec follows.
Special zones
- HVHZ (not applicable)
- WUI (not applicable)
- FEMA SFHA overlays (present)
Compliance track
What's required to build here.
Local adoption — see jurisdiction.
County directory
All 95 counties in Tennessee.
Each county page shows the adopted edition, county-level amendments, and permit-office contact.
- Anderson
- Bedford
- Benton
- Bledsoe
- Blount
- Bradley
- Campbell
- Cannon
- Carroll
- Carter
- Cheatham
- Chester
- Claiborne
- Clay
- Cocke
- Coffee
- Crockett
- Cumberland
- Davidson
- Decatur
- DeKalb
- Dickson
- Dyer
- Fayette
- Fentress
- Franklin
- Gibson
- Giles
- Grainger
- Greene
- Grundy
- Hamblen
- Hamilton
- Hancock County
- Hardeman
- Hardin
- Hawkins
- Haywood
- Henderson
- Henry
- Hickman
- Houston
- Humphreys
- Jackson
- Jefferson
- Johnson
- Knox
- Lake
- Lauderdale
- Lawrence
- Lewis
- Lincoln
- Loudon
- Macon
- Madison
- Marion
- Marshall
- Maury
- McMinn
- McNairy
- Meigs
- Monroe
- Montgomery
- Moore County
- Morgan
- Obion
- Overton
- Perry
- Pickett
- Polk
- Putnam
- Rhea
- Roane
- Robertson
- Rutherford
- Scott
- Sequatchie
- Sevier
- Shelby
- Smith
- Stewart
- Sullivan
- Sumner
- Tipton
- Trousdale
- Unicoi
- Union
- Van Buren
- Warren
- Washington
- Wayne
- Weakley
- White
- Williamson
- Wilson
City directory
20 cities indexed in Tennessee.
City pages list local amendments, the parent county, and the local permit office.
Working in Tennessee?
Pull an address-level code packet for any property. SkyCanvass resolves the parcel, looks up the jurisdiction's adopted edition + amendments, and emits a cited packet ready for permit submittal.
For state-vs-state comparisons see the state comparison view, or browse the state directory.
Pull a TN code packet.
Free to start — property lookups, state code access, the hail map, and your first storm report on us. No credit card required to look up an address.