Water Heater (Tankless) Replacement Cost in Seattle, WA
What homeowners in Seattle typically pay to replace a water heater (tankless) in 2026.
Typical range
$25k–$60k
Most homeowners pay around $40,000 installed.
EstimatedUpdated 6/16/2026
How we calculated this
Complex ventilation and plumbing requirements for tankless systems drive up technical labor fees.
Nearby cities
Other plumbing replacement costs in Seattle
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