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Sewer Line Repair & Replacement in Portland, OR

Sewer line problems don't fix themselves — professional camera inspections, trenchless repairs, and full replacements throughout Portland.

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Licensed & InsuredOR CCB# 248530 | PB-3171
24/7 EmergencyAlways available
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Free EstimatesUpfront pricing
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100% GuaranteedWorkmanship warranty

Sewer Line Repair & Replacement in Portland, OR

Your sewer line is one of the most critical components of your home's plumbing system — and one of the most overlooked until something goes seriously wrong. Tree roots, age, ground shifting, and corrosion all take their toll on sewer lines over time.

PNW Plumbing LLC handles everything from sewer camera inspections and minor repairs to full sewer line replacements throughout Portland, Oregon and the surrounding area. We offer trenchless repair options on qualifying lines to minimize yard disruption.

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Warning Signs of a Sewer Line Problem

If you recognize any of these, call PNW Plumbing at 503-957-8703.

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Sewage Backups in Multiple Fixtures

Raw sewage backing up into your tub, shower, or basement floor drain is a sewer line emergency — call immediately.

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Sewage Smell in Your Yard

An unexplained sulfur or sewage odor in your yard can indicate a cracked or collapsed sewer line underground.

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Unusually Lush Patches of Grass

A lush, fast-growing strip of grass above where your sewer line runs is often fed by a leak below.

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Gurgling Toilets

Toilets that gurgle when you flush or when using other drains point to a sewer line blockage.

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Foundation Cracks

Sewer leaks beneath a slab can erode soil, leading to foundation settling and cracks.

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Increased Rodent or Pest Activity

Breaks in sewer lines provide entry points for rodents and attract pests.

Our Process — Simple, Honest, Guaranteed

Every job follows the same straightforward process — no surprises.

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1. Camera Inspection

We run a camera the full length of your sewer line to pinpoint exactly what's wrong — breaks, root intrusion, bellying, or buildup.

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2. Honest Assessment

After the inspection, we walk you through what we found with real footage and give you repair vs. replacement options with honest pricing.

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3. Repair or Replace

Depending on the damage, we either spot repair the affected section or replace the full line using traditional or trenchless methods.

4. Final Camera Pass

We run the camera again after repair to confirm a clean, complete line before backfilling.

Ready? Let's Get This Fixed.

Call PNW Plumbing LLC for fast, licensed, guaranteed service in Portland and the surrounding area.

Frequently Asked Questions

What does sewer line repair cost in Portland?

Costs depend heavily on the type of repair and line length. Spot repairs run $500–$1,500. Full replacements can range from $3,000–$12,000+ depending on depth and length. Camera inspections help avoid unexpected costs.

What is trenchless sewer repair?

Trenchless methods — pipe bursting and pipe lining — repair or replace the sewer line from two small access points without digging up your entire yard. Not all lines qualify, but when they do, it saves significant time and landscaping costs.

How old are most sewer lines in Portland?

Many Portland-area homes have clay or cast iron sewer lines from the 1950s–1970s. These are reaching the end of their lifespan and are prone to root intrusion and cracking.

Do I need a permit for sewer line replacement in Oregon?

Yes. Sewer line work requires permits in Oregon. PNW Plumbing handles permit pulling as part of the job.

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