Home Repair Decoded

Plumber Cost Per Hour in Washington

$97 – $175We estimate a plumber in Washington bills about $97 to $175 an hour, based on the state's median wage of $38.96 from BLS (2025). The U.S. median is $30.67.

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.

Metro areas

PlaceMedian wageBilled lowBilled high
Seattle$45.78$114$206

What common jobs cost in Washington

JobLowHigh
Toilet Replacement$250$1,050
Faucet Replacement$180$650
Drain Cleaning$120$490
Garbage Disposal Replacement$200$700
Water Heater Replacement$790$2,200
Tankless Water Heater Installation$1,500$4,750
Pipe Repair$150$950
Whole-House Repipe$3,450$15,500
Sewer Line Repair$1,300$6,700
Sump Pump Installation$490$2,050

Neighboring states

PlaceMedian wageBilled lowBilled high
Idaho$25.18$63$113
Oregon$46.66$117$210
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.