Home Repair Decoded

Whole-House Repipe Cost in Washington

$3,450 – $15,500We estimate whole-house repipe in Washington at $3,450 to $15,500 for supply lines in a typical two-bathroom home, without wall repair. The national estimate is $3,050 to $13,300. Washington plumber pay is 27% above the national median, ranking 8 of 51.
Part of the jobLowHigh
Parts and materials (our assumption)$1,500$5,000
Labor hours (our assumption)2060
Billed labor rate per hour$97$175
Estimated total$3,450$15,500

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 our assumptions are based on

ItemSourced figureBasisSource
Labor hours15 – 15Bob Vila uses about 15 hours in its labor estimate and also says a whole house takes a few days to a few weeks.Bob Vila

What other publishers report

National figures as published by each source, checked 2026-11-03. Their scope can differ from ours.
PublisherLowHighScope
Bob Vila$1,500$15,000Whole-house water supply lines, national average attributed to Angi and HomeAdvisor. Page dated April 2023.
Bob Vila$2,280$5,120Example: 3-bedroom, 1,500 square foot house. Page dated April 2023.

Cities in Washington

Metro areaMedian wageLowHigh
Seattle$45.78$3,800$17,400

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

StateMedian wageLowHigh
Idaho$25.18$2,750$11,800
Oregon$46.66$3,850$17,600

Other plumber jobs in Washington

Whole-House Repipe 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.