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Drains & sewer · Spokane and North Idaho

Sewer cleaning & root removal in Spokane Valley, WA

Main sewer lines cleared of roots, grease and scale by cable, hydro jetter or descaler, with $100 off main line cleaning right now.

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Main line prices
Sewer cleaning
Starting prices
  • Hydro jetting, first hourFrom $462
  • Main line, outside cleanoutFrom $568
  • Main line, inside cleanoutFrom $721
  • Main line through a toiletFrom $823
Get a quote
$100 off main line sewer cleaning. Members save 10%.
From$568Main line, outside cleanout
$100OFFMain line sewer cleaning
100FTOf line in each main line price
10%OFFFor Quality Service Club members

What is included

What we use, and when.

  • RootingA motorized cable with a cutting head shears through roots and packed blockages.
  • Hydro jettingHigh-pressure water scours grease, sludge and root fibers off the whole pipe wall.
  • DescalingScale and rust are cut out of old cast iron and steel lines so they flow again, or can be lined.
  • Through a cleanoutWe work through an outside or inside cleanout, or through the toilet when there is none.
  • Root-X treatmentApplied after the roots are cut, a foaming root treatment slows regrowth.
  • The camera nextIf roots or backups keep returning, a camera look shows where they get in.
Illustration of tree roots growing inside an old sewer pipe
Roots inside an old sewer line

Starting prices

Main line prices.

Starting prices from Gold Seal’s flat-rate book. Each main line price covers up to 100 feet of line.

Main line cleaning offer
$100 off
Heavy roots, up to 100 feet
From $283
Root-X, applied
From $170
Sewer cleaning starting prices · Gold Seal flat-rate book, 2026
ServiceWhat it coversStarting at
Hydro jetting, first hour
Electric jetter
High-pressure jetting and scrubbing of the line, first hour.
From$462
Members from $415
Get a quote →
Main line
Outside cleanout, up to 100 feet
Clear the main sewer line through an outside cleanout.
From$568
Members from $511
Get a quote →
Main line
Inside cleanout, up to 100 feet
Clear the main sewer line through an inside cleanout.
From$721
Members from $649
Get a quote →
Main line
Through a toilet, up to 100 feet
Clear the main line through the toilet when there is no cleanout.
From$823
Members from $741
Get a quote →
Descale the line
For a sewer estimate
Cut scale out of an old cast iron line so the camera can show the real pipe.
From$1,204
Members from $1,083
Get a quote →
Hydro jetting, first hour
Hot Jet II
High-pressure jetting with the Hot Jet II for heavy grease and buildup.
From$1,241
Members from $1,117
Get a quote →

$100 off main line sewer cleaning is not valid with other specials or coupons; some restrictions apply. A seized cleanout cap is replaced from $137. Root-X is also sold at the shop and by phone. Member prices are for Quality Service Club members. Starting prices from our 2026 pricebook. A real person confirms your price before anything is scheduled.

Know the signs

Signs of a main line problem.

Trouble at one fixture is local. Trouble everywhere points to the sewer.

Drains slow down together

Several fixtures slow or backing up at once means the blockage is downstream of all of them.

Water at the floor drain

Sewage coming up a basement floor drain is the main line telling you it is full.

Backups that come back

A line that clears and backs up again usually has roots or a structural problem.

A green strip in the yard

Unusually green grass or a sewer smell along the line’s path can mean a leaking pipe.

How it works

Cut. Clean. Look.

Many lines need both: cut the roots first, then clean the pipe.

  1. 01

    Cut

    A cable with a cutting head opens the line through a cleanout.

  2. 02

    Clean

    A jetter or descaler takes off what the cable leaves behind.

  3. 03

    Look

    When the problem keeps returning, the camera shows why.

Watch

Sewer line descaling

Scale and roots cut out of an old cast iron line so it can flow again, or be lined.

Sewer line descalingScale and roots cut out of an old cast iron line so it can flow again, or be lined.
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Questions

Sewer cleaning & root removal, answered.

Answers from licensed plumbers. Still unsure? Call (509) 535-5946, 24 hours a day.

How much does main sewer line cleaning cost?
At Gold Seal, clearing the main line starts from $568 through an outside cleanout, $721 through an inside cleanout and $823 through a toilet, each for up to 100 feet. Take $100 off with our main line cleaning offer.
How often do roots come back after they are cut?
Typically within one to two years, because cutting roots does not close the crack or joint they came in through. A line that needs rooting on a schedule has a structural problem, and lining the pipe is the permanent fix.
What is the difference between rooting and jetting?
Rooting uses a motorized cable with a cutting head to shear through roots and packed blockages. Jetting uses high-pressure water to scour the whole pipe wall, removing the grease and sludge that rooting leaves behind.
Do root killers work?
Only as a follow-up. A foaming treatment such as Root-X, applied after the roots are cut, can slow regrowth, but nothing poured down a drain replaces cutting the roots or repairing the pipe.
What should I do if sewage is backing up right now?
Stop using water in the house, because every flush adds to what is coming back up. Keep people and pets away from it, skip the chemical cleaners and call (509) 535-5946; a person answers 24/7.

Membership

What members get.

Priority scheduling for emergencies, 10% off services and materials, no minor diagnostic fee, a yearly plumbing and drain safety inspection and shut-off tags on your main water valve and water heater.

Members vs non-members →

Quality Service Club

Members save
For every home and business we serve
$149first year

Plus tax. Then $95 a year when you renew.

  • Priority scheduling for emergencies
  • 10% off services and materials
  • No minor diagnostic fee
  • A yearly plumbing and drain safety inspection
  • Shut-off tags on your main water valve and water heater

Backing up? Clear the main line.

Main line cleaning across Spokane and North Idaho from $568, with $100 off right now.