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ND · County

Williams County, ND.

Williston (county seat). Code enforcing: YES (contact Doug Lalim 577-4567). Oil Verify local amendments

Indexed
Adopted edition

IRC 2021

Inherits from ND state floor.

Design wind speed

90 mph

ASCE 7 Risk Cat II, 3-second gust at 33 ft. Drives fastener spacing, hold-downs, and opening protection.

Climate zone (IECC)

6A

Drives R-value, fenestration U-factor, and air-leakage envelope rules.

Special zones
  • HVHZ
  • WBDR
  • WUI
  • FEMA SFHA possible
Permit office

Williams County County Building Department

Local conditions
  • Frost depth: 48-54".

Working in Williams County?

Pull an address-level code packet for any property in Williams County. SkyCanvass resolves the parcel, looks up the adopted edition + the Williams County-specific amendments listed above, and emits a cited packet ready for permit submittal.

See the North Dakota state overview for the broader context, or browse the state directory.

Pull a Williams County code packet.

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