Sewer Line Repair Cost in Washington
$1,300 – $6,700We estimate sewer line repair in Washington at $1,300 to $6,700 for repair of a damaged section between the house and the street. The national estimate is $1,100 to $5,800. Washington plumber pay is 27% above the national median, ranking 8 of 51.
| Part of the job | Low | High |
|---|---|---|
| Parts and materials (our assumption) | $500 | $2,500 |
| Labor hours (our assumption) | 8 | 24 |
| Billed labor rate per hour | $97 | $175 |
| Estimated total | $1,300 | $6,700 |
Our estimate, not a quote. Billed rate is the Washington median wage from BLS (2025, $38.96 an hour) times 2.5 to 4.5 to cover payroll costs, overhead, travel and profit. How we estimate
What other publishers report
| Publisher | Low | High | Scope |
|---|---|---|---|
| Bob Vila | $1,253 | $4,701 | Sewer line replacement, attributed to HomeAdvisor. Page dated January 2023. |
| Bob Vila | $530 | $2,270 | Street-to-house main line replacement, attributed to Angi. Page dated January 2023. |
| This Old House | $1,390 | $5,320 | Sewer line replacement. Page dated March 2026. |
Cities in Washington
| Metro area | Median wage | Low | High |
|---|---|---|---|
| Seattle | $45.78 | $1,400 | $7,450 |
Who can legally do this in Washington
All plumbing contract work must be performed by a Licensed Plumbing Contractor, and each must designate a certified plumber. General contractors may do plumbing work only if they also hold a plumbing contractor license.
Compared with neighboring states
Other plumber jobs in Washington
- Toilet Replacement
- Faucet Replacement
- Drain Cleaning
- Garbage Disposal Replacement
- Water Heater Replacement
- Tankless Water Heater Installation
- Pipe Repair
- Whole-House Repipe
Sewer Line Repair cost in every state · Washington home repair guide
Sources
General information, not professional advice. Conditions, codes and prices vary. Turn off power, gas or water before any work, and hire a licensed professional when in doubt. Cost figures are our estimates, not quotes.