Plumbing Costs in Seattle, WA

Verified cost ranges for plumbing in Seattle

Verified by 3 sourcesUpdated April 11, 2026

Plumbing Costs in Seattle

Cost ranges verified from official sources

Water Heater Installation

Seattle, WA

3 sources

Low

$506

Average

$1,518

High

$3,578

Bureau of Labor StatisticsFixrHomewyse

Updated Apr 2026

Water Heater Repair

Seattle, WA

2 sources

Low

$56

Average

$886

High

$2,223

Bureau of Labor StatisticsFixr

Updated Apr 2026

Toilet Repair

Seattle, WA

2 sources

Low

$56

Average

$1,625

High

$4,334

Bureau of Labor StatisticsFixr

Updated Apr 2026

Toilet Installation

Seattle, WA

3 sources

Low

$209

Average

$1,091

High

$2,655

Bureau of Labor StatisticsFixrHomewyse

Updated Apr 2026

Garbage Disposal Installation

Seattle, WA

3 sources

Low

$149

Average

$616

High

$1,359

Bureau of Labor StatisticsFixrHomewyse

Updated Apr 2026

Water Line Repair

Seattle, WA

2 sources

Low

$167

Average

$1,703

High

$4,445

Bureau of Labor StatisticsFixr

Updated Apr 2026

Gas Line Repair

Seattle, WA

2 sources

Low

$111

Average

$1,022

High

$2,556

Bureau of Labor StatisticsFixr

Updated Apr 2026

Bathroom Plumbing Rough-In

Seattle, WA

2 sources

Low

$56

Average

$6,298

High

$17,685

Bureau of Labor StatisticsFixr

Updated Apr 2026

Kitchen Plumbing Rough-In

Seattle, WA

2 sources

Low

$78

Average

$4,006

High

$11,113

Bureau of Labor StatisticsFixr

Updated Apr 2026

Water Softener Installation

Seattle, WA

3 sources

Low

$469

Average

$1,788

High

$4,385

Bureau of Labor StatisticsFixrHomewyse

Updated Apr 2026

Tankless Water Heater Installation

Seattle, WA

3 sources

Low

$988

Average

$2,348

High

$5,468

Bureau of Labor StatisticsFixrHomewyse

Updated Apr 2026

Bathtub Installation

Seattle, WA

2 sources

Low

$725

Average

$947

High

$1,728

Bureau of Labor StatisticsHomewyse

Updated Apr 2026

Water Main Repair

Seattle, WA

2 sources

Low

$167

Average

$1,703

High

$4,445

Bureau of Labor StatisticsFixr

Updated Apr 2026

Outdoor Spigot Installation

Seattle, WA

2 sources

Low

$56

Average

$497

High

$1,111

Bureau of Labor StatisticsFixr

Updated Apr 2026

Dishwasher Installation

Seattle, WA

3 sources

Low

$359

Average

$1,227

High

$2,892

Bureau of Labor StatisticsFixrHomewyse

Updated Apr 2026

Bathroom Sink Installation

Seattle, WA

3 sources

Low

$125

Average

$785

High

$1,866

Bureau of Labor StatisticsFixrHomewyse

Updated Apr 2026

Kitchen Sink Installation

Seattle, WA

2 sources

Low

$100

Average

$1,680

High

$4,445

Bureau of Labor StatisticsFixr

Updated Apr 2026

Pipe Repair

Seattle, WA

2 sources

Low

$167

Average

$2,092

High

$5,557

Bureau of Labor StatisticsFixr

Updated Apr 2026

Sump Pump Installation

Seattle, WA

2 sources

Low

$56

Average

$1,664

High

$4,445

Bureau of Labor StatisticsFixr

Updated Apr 2026

French Drain Installation

Seattle, WA

2 sources

Low

$56

Average

$7,109

High

$20,003

Bureau of Labor StatisticsFixr

Updated Apr 2026

Understanding Plumbing Costs in Seattle

Garbage disposal installation costs in Seattle vary significantly based on the complexity of your existing plumbing setup, the specific disposal unit selected, and local labor availability. The wide range reflects differences in installation difficulty—from simple replacements in accessible spaces to complex installations requiring extensive modifications. Seattle's higher cost of living and strong labor market contribute to the upper end of pricing, while straightforward jobs with standard materials fall toward the lower end.

How Seattle Compares

vs. National Average+16%

*Based on aggregated cost data from multiple sources

Frequently Asked Questions — Plumbing Costs in Seattle

View Plumbing Costs in Other Cities in WA