Water heater replacement cost
Replacing a tank water heater with a similar model usually costs $600 to $1,800, including labor and hauling away the old tank. Switching to tankless or a heat pump costs more. Here is how to tell whether you need a replacement at all.
Quick answer
$600 – $1,800tank swap, installed
A like-for-like tank replacement typically costs $600 to $1,800. Larger tanks, attic installs and code updates push it toward $3,100. Moving to tankless costs $1,400 to $5,600.
Replacement cost by tank size
Prices include a standard installation. Removing and disposing of the old tank costs $75 to $500 if your plumber does not include it.
| Tank size | Unit only | Installed |
|---|---|---|
| 30 gallons | $300 – $900 | $500 – $1,900 |
| 40 gallons | $400 – $2,000 | $600 – $3,000 |
| 50 gallons | $500 – $2,100 | $700 – $3,100 |
| 65 gallons | $700 – $2,400 | $900 – $3,400 |
| 75 gallons | $900 – $2,600 | $1,100 – $3,600 |
| 80 gallons | $1,000 – $3,000 | $1,200 – $4,000 |
Signs your water heater needs replacing
- Water pooling around the base of the tank
- Rusty or discolored hot water
- Rumbling or popping from sediment buildup
- Hot water running out faster than it used to
- The tank is older than 10 to 12 years (check the serial number for the date)
Tank water heaters usually last about 8 to 12 years. Tankless units can last up to 20 years with regular descaling.
What plumbers charge for this job
Most of the price of a plumbing job is labor. Licensed plumbers in the U.S. typically charge $45 to $150 per hour, and many add a $50 to $200 service call fee that often covers the first hour. Expect evening, weekend and holiday visits to cost noticeably more; emergency hourly rates commonly run $150 to $350. Master plumbers and plumbers in high-cost metro areas sit at the top of these ranges.
Before work starts, ask whether the quote is a flat price for the whole job or an hourly estimate, and whether parts, permits and haul-away are included. See Plumber rates per hour and Emergency plumber cost for the full breakdown.
Repair or replace?
A common rule: if the repair costs more than half the price of a new unit, or the tank is past 10 years, replace it. See Water heater repair cost for part prices.
| Situation | Usual best choice |
|---|---|
| Tank under 8 years, part failed (element, thermostat, valve) | Repair ($100 – $550) |
| Tank leaking from the body | Replace |
| Tank over 10 years with rust or rumbling | Replace |
| Repair quote over half the price of a new heater | Replace |
| Pilot light or igniter problem | Repair ($50 – $350) |
Extra costs to plan for
Replacing an older unit often triggers code updates.
| Item | Typical cost |
|---|---|
| Permit | $50 – $200 |
| Haul away old water heater | $75 – $500 |
| Expansion tank | $100 – $400 |
| Replace existing venting | $100 – $600 |
| New venting | $500 – $1,500 |
| Gas line upgrade | $350 – $2,000 |
| Dedicated electrical circuit | $250 – $900 |
| Electrical panel upgrade | $850 – $1,700 |
| Code compliance updates | $75 – $500+ |
| Relocating the water heater | $500 – $2,500 |
Should you replace it yourself?
Replacing a water heater means draining a heavy tank, disconnecting gas or 240-volt power, and reinstalling venting and a relief valve to code. Most jurisdictions require a permit. Hire a licensed plumber unless you have done this work before.
How to save on a replacement
- Replace on your schedule, before a leak forces an emergency call.
- Keep the same size and fuel type.
- Ask if haul-away and the permit are included.
- Get three quotes and compare the warranty length.
- Look for utility rebates on efficient models.
Frequently asked questions
How often should a water heater be replaced?
Tank water heaters usually need replacing every 8 to 12 years. Tankless models can last up to about 20 years with maintenance.
Does homeowners insurance pay for a new water heater?
Usually not for wear and tear. Insurance may cover water damage from a sudden leak, but not the heater itself. Some home warranties cover replacement.
What is the cheapest way to replace a water heater?
Replace it with the same size and fuel type, schedule the work before it fails, and compare several quotes that include the permit and haul-away.
Sources
Prices are national estimates for 2026 based on published cost surveys and labor data. Your local price can be higher or lower. FairFix Costs is not a plumbing contractor; read our disclaimer.