Skip to Main Content View Text-Only

Portland Bureau of Transportation

Phone: 503-823-5185

Fax: 503-823-7576

1120 SW Fifth Ave, Suite 800, Portland, OR 97204

More Contact Info

Landslide Prevention

How to report a landslide

Some parts of Portland are prone to landslides, especially in the West Hills and higher elevations on the east side. Rain, loose fill, groundwater under streets, and other factors can push water, mud, and debris onto city streets and damage private property.

If you live in an area known to experience landslides, be alert – particularly during periods of heavy rain or snowmelt – and keep ditches, culverts, and trash racks clear of debris that could impact stormwater runoff.

Landslides Threatening Public Safety

  • If you see signs of a landslide or suspect a landslide may occur, evacuate the area immediately.
  • Only after evacuating, call 9-1-1 if the landslide threatens public safety.
  • This phone number is staffed 24 hours a day.

Landslides Blocking a Street or Sidewalk

  • Call PBOT at 503-823-1700 (or email pdxroads@portlandoregon.gov) if the landslide does not directly threaten public safety, but is blocking a street or sidewalk.
  • This phone number is staffed 24 hours a day.
  • The City will send out an inspector to assess the situation and crews will set up traffic control and/or close the street if necessary. The travelling public should obey all traffic signs.

Landslides on Private Property

  • For landslides occurring completely on private property that don’t affect public safety or roads, contact the Bureau of Development Services (BDS) at 503-823-CODE (2633).


What to Expect for Property Owners

Once notified, a City inspector will assess the landslide and its impact to structures in the area. Due to safety considerations, inspections will be limited to daylight hours. In most cases, property owners will need to hire a geotechnical and/or structural engineer to provide a report to BDS on the landslide and any repairs needed.

For information on how the City works with property owners to reduce the risk of landslides before they occur, call 503-823-6892 or visit https://www.portlandoregon.gov/bds/article/485456

For information on the maintenance responsibilities and liability of property owners abutting unimproved right of way, visit Portland City Code Chapter 17.42 Property Owner Responsibility for Streets: https://www.portlandoregon.gov/citycode/?c=28869

For information on Oregon’s landslide danger, visit http://www.oregongeology.org/sub/Landslide/Landslidehome.htm.

For additional information on how to prepare for landslides, visit https://www.ready.gov/landslides-debris-flow.