How Much Does Water Tank Replacement Cost? Audited & Verified: Oct 31, 2024, 4:13pm ... The cost to replace a water tank ranges from $825 to $6,100, with an average price of $2,000.

Storage tank water heaters can cost around $600 to $800, but costs vary on the size of the tank. Installing a tank-style water heater will cost between $900 and $2,500 on average. Tankless ...