How Much Does Water Heater Repair Cost?
Common water-heater repairs include thermostats, heating elements, pilot/igniters and valves.
How much does water heater repair cost?
Common water-heater repairs include thermostats, heating elements, pilot/igniters and valves. Most homeowners pay between $150 and $750 nationally, with a typical cost around $400. Use our calculator to adjust this range for your ZIP code.
What affects the price
- Gas vs. electric
- Which component failed
- Tank vs. tankless
Repair vs. replacement
Repair units under ~8 years old; replace older or leaking tanks.
Questions to ask your contractor
- How old is the tank?
- Is the tank itself leaking?
When to call a professional
Gas and pressure/temperature safety make this a pro job.
How we calculate this estimate
We start from national labor and materials benchmarks and apply a local cost factor based on your ZIP code and metro area, plus job complexity. Estimates are informational; actual contractor pricing may vary. Last reviewed 2026-05-01.
Frequently asked questions
What is the average cost of water heater repair?
Nationally, water heater repair typically runs around $400, with most jobs between $150 and $750. Your local price is adjusted by ZIP code.
Should I repair or replace?
Repair units under ~8 years old; replace older or leaking tanks.
When should I call a professional?
Gas and pressure/temperature safety make this a pro job.