Sewer Line Repair & Replacement services in Seattle
Real talk: sewer line repair & replacement pricing varies wildly in Seattle, and most of that variance is upsell. We quote flat-rate so you can compare apples to apples. What you get with us: licensed work, upfront pricing, a tech who can read what's wrong before opening up a wall.
What's specific about Seattle jobs
If you're inside the city limits, we're typically there inside an hour during business hours. Outside the metro, plan on a bit longer.
Most of our Seattle sewer line repair & replacement jobs come from older neighborhoods, where the housing stock just has more failure points.
The actual work
Sewer lateral problems hit older homes hardest. Anything pre-1970 in most U.S. cities still has either clay-tile or Orangeburg laterals from the original build. Both fail. Tile cracks at the joints; Orangeburg collapses under load.
Diagnosis order: cable first, then camera. Cable clears most active blockages. The camera shows you what's actually happening down there — joint offsets, root invasion, bellies, broken sections.
Repair options depend on the lateral. Spot repair on a single broken section: $3,200–$6,500. Trenchless pipe burst on the full lateral (replaces clay or cast iron with new HDPE): $6,500–$14,000. Open-trench replacement: rare anymore, only when trenchless isn't feasible.
Permit is almost always required. Municipal sewer authorities want to inspect lateral work before backfill. We pull the permit and coordinate the inspection.
Pricing
For sewer line repair & replacement jobs in the Seattle area:
- Sewer main unclog (cable): $300 – $675
- Hydro-jet + camera: $600 – $1,190
- Spot dig repair (5–8 ft section): $4,000 – $8,125
- Trenchless pipe burst (full lateral): $8,125 – $17,500
- Main water service line replacement: $3,500 – $9,375
From the books — a recent Seattle job
Got a call last month from a the north Seattle home — 1980s build. Symptom: basement floor drain backing up after laundry. Cause: a belly in the lateral was holding water. Spot-repaired the bellied section, all done in in one trip, billed flat-rate at $525.