Adopted edition
IRC 2021
City has its own adoption — separate from county.
VA · City
Town of Herndon, VA.
Town of Herndon, VA — 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
Town of Herndon Building Department
www.herndon-va.gov/buildingWorking in Town of Herndon?
Pull an address-level code packet for any parcel in Town of Herndon. SkyCanvass resolves the address, looks up the Town of Herndon-specific amendments and the Fairfax County county and Virginia state floor, then emits a cited packet ready for permit submittal.
See the Fairfax County county overview, or the Virginia state directory .
Pull a Town of Herndon 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.