Seattle, WA · Licensed & insured
Sewer Line Repair & Replacement in Seattle
Seattle property owners maintain their private side sewers to the public main, including private portions in the right-of-way. Repeated backups need camera evidence and a locate before repair options are compared. Lining, pipe bursting and excavation depend on the actual pipe condition and access—not the neighborhood’s age.
Signs you need us today
- Repeat main line backups after previous cabling
- Multiple fixtures backing up at once
- Soggy or unusually green patches in the yard
- Sinkholes or settling in the driveway or lawn
- Sewer odor outdoors near the line
- A pre-purchase inspection that flagged the side sewer
How the job runs
- 1Camera and locateWe record the line, mark depth and position, and show you the failure point.
- 2Options on paperSpot repair, cured-in-place lining, pipe bursting or open-cut, each with a real price.
- 3PermitsSeattle side sewer permits and required inspections handled by us.
- 4RestoreBackfill, compaction and surface restoration included in the quote, not added later.
Seattle homeowner guide
Seattle side-sewer responsibility and property records
Seattle Public Utilities distinguishes the public sewer main from the private side sewer connecting a property to it. Property owners are responsible for maintaining their side sewers, including private portions in the right-of-way. Some properties share a connection; easements, records and agreements can matter when deciding who authorizes and pays for work.
Before approving excavation, compare the observed line with the city's available side-sewer records and any prior repair documentation. A record can help locate a route, but it is not a current condition report and may be incomplete. Ask for camera footage and a locate with the defect's approximate position and depth. Tree cover or the age of a neighborhood alone cannot establish whether a particular pipe needs replacement.
When trenchless repair is suitable—and when it is not
Lining, pipe bursting and spot excavation solve different problems. Lining depends on the condition and geometry of the existing pipe and does not simply eliminate every low spot or collapse. Pipe bursting requires access and evaluation of nearby utilities. A localized defect may be suitable for a spot repair rather than replacing the entire connection.
On a sloped Queen Anne lot, a narrow Phinney Ridge property or a paved downtown site, ask how the proposed method affects access, grade, landscaping and adjacent structures. The best option follows the inspection and site constraints, not a promise that every Seattle sewer can be repaired without digging.
What a Seattle sewer repair quote should include
Since October 1, 2025, Seattle Public Utilities has handled side-sewer permits and inspections instead of SDCI. Applications still go through the Seattle Services Portal. Work in the street or other public right-of-way can involve additional requirements. Ask who handles permits, inspections, utility coordination and surface restoration before the job begins.
Compare the repair length, method, access pits, disposal, backfill, restoration and exclusions in each quote. Confirm whether the final scope includes a post-repair camera recording. During a backup, stop using water and keep away from sewage; after clearing, do not treat restored flow as proof that a structural defect is gone.
Details to have ready when you call
- Do you have existing sewer footage or a prior repair invoice?
- Is the side sewer shared with another property?
- Where is the cleanout and what surfaces cover the suspected route?
- Does the estimate include permits, inspections and restoration?
Seattle references: SPU side-sewer responsibilities and permits · Current side-sewer application process. · Public Health plumbing and water-heater permits · SPU meter and leak checks.
What this costs in Seattle
Illustrative planning ranges, not verified local market averages or a binding quote. Access, diagnosis, permits and restoration affect the price. Confirm the current charges before booking.
| Job | Typical range |
|---|---|
| Camera inspection and locate | $250 – $500 |
| Spot repair (single failure point) | $2,500 – $6,000 |
| Trenchless CIPP lining | $120 – $250 per ft |
| Pipe bursting replacement | $8,000 – $25,000 |
| Open-cut side sewer replacement | $10,000 – $30,000+ |
Questions Seattle homeowners ask
- Who owns the side sewer in Seattle?
- The property owner is responsible for the side sewer from the house all the way to the public main, including the portion under the street.
- Can you fix it without digging up the yard?
- Often yes. Lining and pipe bursting need small access pits rather than a full trench, as long as the existing line still holds its path.
- How long does the work take?
- A lining job is usually one to two days. Open-cut replacement in the right of way runs longer because of permit inspection scheduling.
Covering every Seattle neighborhood
Ballard · Fremont · Wallingford · Green Lake · Queen Anne · Magnolia · Capitol Hill · Central District · Beacon Hill · Columbia City · West Seattle · Georgetown · Greenwood · Phinney Ridge and the rest of the city.
Talk to a plumber now
(206) 635-7619