Water Heater Replacement Cost in Washington
Estimated 2026 installed range: $1,500 – $3,200
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Open the calculatorCost by system type in Washington
| Option | Low | High |
|---|---|---|
| Electric tank (40–50 gal) | $1,500 | $3,200 |
| Gas tank (40–50 gal) | $1,900 | $3,800 |
| Tankless gas | $3,200 | $7,000 |
| Heat pump water heater | $3,800 | $7,700 |
| Solar water heating | $5,100 | $10,200 |
Local cost factors
Statewide drivers: West conditions and local labor rates. In Washington, wet soils and strict local health rules drive design costs.
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