Clogged drains often start as slow fixtures and progress to backups when grease, scale, or roots restrict the line. In Portland, that work is shaped by a wide mix of pre-war, mid-century, and newer housing across Multnomah County.
Common reasons Portland homes need this service:
- Kitchen and bath drains that back up at the same time, which can point to a main-line restriction
- Recurring clogs after plunging or store-bought chemicals
- Gurgling fixtures or sewage odor near floor drains
- Yard or cleanout overflow after heavy rain
A camera inspection shows whether the stoppage is grease, roots, a belly, or damaged pipe. Cable machines can punch an opening; hydro jetting is often used when the line needs the interior cleaned rather than just opened.
Common Clogged Drain Causes in Portland
- Root intrusion in sewer laterals under Portland's dense urban tree canopy, particularly in established neighborhoods where trees and pipes have been neighbors for 50 to 100 years
- Cast iron and galvanized drain line scaling in older Portland neighborhoods where mid-century and earlier plumbing is still in service
- Grease and organic buildup accelerated by Oregon's wet, organic-rich environment
- Bathroom drain blockages from hair and soap in homes throughout the city
- Whole-house drainage slowdowns where the main sewer lateral is the cause rather than individual fixtures
- Recurring slow drains that come back after clearing because pipe wall buildup wasn't addressed
Portland's older neighborhoods have cast iron drain lines where decades of grease and scale have narrowed the usable pipe interior. A drain that clears and comes back within weeks isn't a new clog each time. The pipe walls are the real problem, and hydro jetting addresses those walls rather than just opening a temporary path.
How Sunset Clears Clogged Drains
- Drain snaking for individual fixture clogs and accessible blockages
- Hydro jetting for grease buildup, root intrusion, and recurring clogs that snaking alone doesn't hold. High-pressure water cleans the full pipe interior.
- Sewer video inspection to locate the cause and extent of a blockage before choosing the clearing method
- Main line clearing for whole-house drainage slowdowns
Service Areas
Sunset's service area runs from Portland and Beaverton out to Tigard, Tualatin, Lake Oswego, West Linn, Oregon City, Milwaukie, Clackamas, Happy Valley, and Gresham, with coverage extending across the river into Vancouver WA.
