Learn about the different factors that go into water heater gas valve replacement costs to see if you should DIY the project or call a pro.
Water Heater Repair Cost in Seattle [2025 Data]
Normal Range: $400 - $1,438
The national average hot water heater repair cost in Seattle, WA is $915, with most repairs ranging between $400 and $1,438. A pro can help determine the price of your specific repair.
How we get this data
JinOdin / Adobe Stock Photography
JinOdin / Adobe Stock Photography
Cost Insights
Most tank water heaters last 8 to 12 years, and tankless water heaters can last up to 20 years.
Common gas tank water heater problems include failing thermostats, broken pilot lights, and malfunctioning pressure relief valves.
Common electric water heater problems include tripped breakers, broken heating elements, or broken thermostats.
A new water heater can improve your home’s value by up to 4%, especially if you switch from a tank water heater to a tankless model.
The average cost to repair a water heater in Seattle is around $915. In most cases, homeowners spend between $400 and $1,438, depending on the type of repair required. Final pricing is largely influenced by the complexity of the issue and whether replacement parts need to be ordered by your plumber. Keep reading for a closer look at what you can expect to pay when repairing your water heater.
Water Heater Repair Cost Factors
Water heater repair in Seattle, WA costs $915 on average. Most pay between $400 and $1,438 to repair or replace their electric or gas water heater in Seattle. If you notice any signs of a water heater going out, contact a repair company immediately. You will save more by addressing the issue early on.
Different factors may affect the cost to repair a water heater in Seattle, including the make, model, and type of your water heater, the parts needing replacement, and the severity of the problem.
Water Heater Repair Cost by Part
As with any appliance, water heater repair costs vary based on the part you need. Typical water heaters have more than a dozen parts, ranging in size and cost. Take a look at some part estimates below, which don’t include the labor rate to replace them.
| Name of the Part | Cost to Repair or Replace |
|---|---|
| Thermostat | $10–$50 |
| Heating Element (for electric water heaters) | Under $20 |
| Pressure Relief Valve | $15–$50 on average, but some specific models can cost up to $150 |
| Water Tank (for traditional tanked water heaters) | $400–$1,800 |
| Anode Rod | $15–$35 |
| Dip Tube | $10–$30 on average, but some brands may require a specific model that can cost more than $60. Check your water heater’s manufacturer’s manual for more details. |
| Circulator Pump | $50–$400 |
| Gas Control Valve (for gas water heaters) | $120–$280 |
| Gas Burner (for gas water heaters) | $30–$60 for the main burner, or $120–$180 for the full burner assembly. |
| Flue Pipe | $30–$100 |
| Igniter | $30–$60 for the igniter alone, or $100–$250 for a full assembly. |
Each water heater component serves a unique function. Many small parts cost $50 or less, but your total could reach the hundreds with the labor prices. Still, this is more affordable than a full water heater replacement, which typically costs between $850 and $1,800.
Water Heater Repair Cost by Service
Water heater repair prices range from simple DIY fixes under $20 to more complex problems that can cost hundreds. The following issues occur in both electric and gas heaters. If you have a different type of water heater—like a heat pump vs. tankless water heater—you could be on the hook for additional repairs.
| Type of Service | Average Cost |
|---|---|
| Water Heater Flush (for tankless water heater) | $130–$200 |
| Repairing Leaking Water Heaters | $400–$600 |
| Pressure Relief Valve Replacement | $130–$200, but costs additional if plumbing is needed |
| Dip Tube Replacement | $130 |
| Anode Rod Replacement | $85–$130 |
| Expansion Tank Replacement | $200–$450 |
Repair Costs by Water Heater Type
Lukewarm water coming out of your shower could indicate several issues, such as a thermocouple problem in a gas unit or a heater element failure in an electric unit. Costs vary based on your style because they require different parts and expertise to fix. The two main categories are gas and electric water heaters.
Gas Water Heater Repair Costs
Gas water heater repair costs come from pilot light problems, thermostat issues, or a failed thermocouple. Each displays different symptoms with varying water heater repair prices that go with it.
| Type of Service | Average Cost (Part + Labor) |
|---|---|
| Replace Pilot Light | $85–$130 |
| Thermostat Repair or Replacement | $220 |
| Thermocouple Replacement | $100–$150 |
| Gas Control Valve Replacement | $400 |
| Gas Water Heater Replacement | $1,800–$2,100 |
Electric Water Heater Repair Costs
A few problems are unique to electric water heaters. These involve tripped breakers, faulty heater elements, and bad thermostats.
| Type of Service | Average Cost (Part + Labor) |
|---|---|
| Tripped Breakers | You can easily fix tripped breakers yourself |
| Heater Element Replacements | $200–$300 |
| Thermostat Replacement | $130–$200 |
| Electric Water Heater Replacement | $2,207–$2,600 |
Water Heater Pro Costs
Water heater companies in Seattle, WA charge $133 to $138 per water heater for basic repairs, which takes 2.1 hours on average. If you go with a national company, the labor cost tends to be slightly higher at around $150. If a general contractor is required for additional services, you can expect an additional $30 to $40 in labor costs. To replace a water heater in Seattle, expect to pay around $2,100.
Does Replacing a Water Heater Increase Home Value?
Water heaters are a good investment if you want to increase your home’s value before selling. Most are willing to pay an additional 4% for a home with a newer, more energy-efficient water heater. In addition, while Seattle does not have any solar rebate programs other than crediting additional energy generated by the panel, there is an energy-efficient rebate in place that encourages homeowners to install energy-saving measures for water heaters and other appliances.
How Angi Gets Its Cost Data
Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We survey real Angi customers about their project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We pair this data with research from reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects.
Want to help us improve our cost data? Send us a recent project quote to [email protected]. Quotes and personal information will not be shared publicly.
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