Plumbing Cost in Washington (2026)
Average cost in Washington: $4,000(range: $600 – $17,300)
Browse exact estimates for all 6 cities in Washington — updated for 2026.
State average
$4,000
Range
$600 – $17,300
Most expensive city
Seattle
$4,700 avg
Most affordable city
Spokane
$3,500 avg
Plumbing Cost in Washington Cities
Click any city for a detailed estimate with interactive calculator
More Renovation Calculators for Washington
Bathroom Remodel
avg $13,200 in WA
Kitchen Remodel
avg $29,900 in WA
Flooring Installation
avg $0 in WA
Interior Painting
avg $0 in WA
Electrical Wiring
avg $5,200 in WA
Roof Replacement
avg $11,500 in WA
Full Home Renovation
avg $100 in WA
Bedroom Remodel
avg $7,500 in WA
Living Room Remodel
avg $10,900 in WA
Dining Room Remodel
avg $6,900 in WA
Kids Room Remodel
avg $5,800 in WA
Attic Conversion
avg $32,200 in WA
Home Office Remodel
avg $8,600 in WA
Basement Finishing
avg $100 in WA
Garage Conversion
avg $20,700 in WA
Entryway Remodel
avg $4,000 in WA
Closet Installation
avg $3,400 in WA