Plumber Cost in Washington (2026)
Statewide average and city-by-city plumber cost guide for Washington.
Washington Average
$417
Median cost
$208
Low
$1,071
High
118.7
COL index
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Statewide average and city-by-city plumber cost guide for Washington.
Washington Average
$417
Median cost
$208
Low
$1,071
High
118.7
COL index