7 reports. Useful first pass, but one outlier can still shift the range.
Water Heater Installation Cost in Washington
Read what 7 homeowners actually wroteWater heater installation in Washington ranges from $500 to $6,000, with most homeowners paying around $2,300. Half of the reported projects cost between $1,625 and $2,800. These figures are based on 7 service reports in the area.
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Shaded band: middle 50% of reports (25th–75th percentile). Median tick in teal.
Most jobs land between $800.00 and $5,100.00 (5th–95th percentile). Ignoring 1 outlier below and 1 above.
Based on reports from Apr 2026 (first entries this month).
Data last updated Apr 8, 2026.
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The underlying prices behind this page.
It's a simple swap of a tank they installed 10 years ago.
Paid 3k last winter for a water heater replacement.
Real homeowner write-ups, locked.
"We were quoted a little over for a water heater replacement 1 year ago."
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