Skip to main content

OR · County

Columbia County, OR.

Helens. Population: ~52,000. Northwest Oregon along Portland

Coverage in progress WUI
Adopted edition

Coverage in progress

Inherits from OR state floor.

Design wind speed

85 mph

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

Climate zone (IECC)

4C

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

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

Columbia County County Building Department

Local conditions
  • County seat: St

Common amendments + overlays

What's specific to this county.

  • §01 WUI overlay — fire-resistant exterior + defensible space requirements.

Working in Columbia County?

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

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

Pull a Columbia County 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.