Adopted edition
IRC 2021
Inherits from Williamson county floor.
TN · City
Brentwood, TN.
Brentwood, TN — building code: IRC 2021.
Design wind speed
90 mph
ASCE 7 Risk Cat II, 3-second gust at 33 ft.
Climate zone (IECC)
3A
Drives R-value, fenestration U-factor, and air-leakage envelope rules.
Special zones
- HVHZ
- WBDR
- WUI
- FEMA SFHA possible
Permit office
Brentwood Building Department
NULLZIP coverage
2 ZIP codes inside Brentwood.
Each ZIP resolves to the correct city + county + state on every parcel lookup. Multi-jurisdiction parcels pick up amendments from each layer.
37024 37027
Working in Brentwood?
Pull an address-level code packet for any parcel in Brentwood. SkyCanvass resolves the address, looks up the Brentwood-specific amendments and the Williamson county and Tennessee state floor, then emits a cited packet ready for permit submittal.
See the Williamson county overview, or the Tennessee state directory .
Pull a Brentwood 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.