Water Heater Costs
Last updated: October 31, 2026 · Prices checked October 31, 2026
A water heater gives no warning and no time: it leaks, floods, or simply stops, and the replacement quote arrives while the floor is still wet. This hub collects every water heater cost we research — the installed price by type and size, the labor split inside the quote, and the code extras that explain why a $769 tank becomes a $3,000 invoice.
The number most homeowners need: replacement averages $1,348 installed (most pay $881–$1,826). Tank: $600–$2,500 · Tankless: $1,400–$3,900 · A like-for-like tank swap's labor: $150–$450.
National range, researched from published sources. Prices checked October 31, 2026.
Water heater cost guides
Water Heater Replacement Cost
Tank vs tankless installed prices, the unit-vs-labor split, and the permit and code-upgrade extras that explain real quotes.
Sewer Line Costs
The other plumbing emergency: what digging, bursting or lining a sewer line costs per foot, in the companion hub.
Water heater prices at a glance
| Job | Typical US cost |
|---|---|
| Replacement, all types (installed) | $881–$1,826 (avg $1,348) |
| Tank replacement, installed | $600–$2,500 |
| Tankless replacement, installed | $1,400–$3,900 |
| 50-gallon tank unit alone | $500–$2,100 |
| Labor, straightforward tank swap | $150–$450 |
| Permit | $25–$300 |
| Water damage repair after a tank failure | $1,300–$5,550 |
Start with the question you're actually asking
Holding a quote that feels high? The replacement cost guide checks the forum's real quotes — $3,000 to install a $769 tank, a $7,000 tankless replacement, two heaters at $2,500 each — line by line against the published bands. Tank vs. tankless? Same guide: the lifespan math (about 10 years for a tank, roughly 20 for tankless) matters more than the invoice. The water isn't draining, not heating? If the problem is underground rather than in the utility room, start with the septic cost hub or the sewer line hub instead.
Frequently asked questions
How much does it cost to replace a water heater?+
$1,348 on average installed, with most homeowners paying $881–$1,826 (Angi, 30,979 projects). Tank replacements run $600–$2,500; tankless runs $1,400–$3,900.
Why does installing a $769 water heater cost $3,000?+
Because the unit is only one line: labor for the swap ($150–$450), a permit ($25–$300), an expansion tank, haul-away and any venting or code work stack on top. Itemized, a fair like-for-like job totals roughly $1,150–$2,350; above that, the quote has to be buying something specific — ask what.
How long does a water heater last?+
About ten years on average for a tank (commonly 8–12), and roughly 20 years for a tankless unit with regular descaling (Angi). Replacing a tank proactively around year ten is almost always cheaper than replacing it after it leaks — water damage repair alone runs $1,300–$5,550.
Should I repair or replace my water heater?+
Repairs run $100–$500 for a tank and $100–$1,300 for tankless (Angi). Rule of thumb from the data: repair a unit under eight years old; replace a tank past ten, especially if it's rusting at the base or rumbling with sediment.