Tankless Water Heater Installation Cost in Dallas, TX
Based on 56 tankless water heater installation building permits filed in Dallas, the typical declared project value is $4,000, with most landing between $3,075 and $5,397. These are real records from Dallas's public building-permit data, declared job values, not contractor estimates or AI guesses.
No neighbor receipts in Dallas yet. Paste a quote to see how it compares to these permit values, or add what you paid to start the real price record here.
Recent tankless water heater installation permits in Dallas
Actual filings from Dallas's public permit records. Declared job values, not final paid prices.
| Filed | Declared value | Work described |
|---|---|---|
| — | $4,000 | INSTALL 1 TANKLESS GAS WATER HEATER IN ATTIC |
| — | $8,500 | INSTALL 2 TANKLESS WATER HEATERS. RUN NEW GAS LINE TO HEATER FROM METER 6'. CHANGE OUT 3 G |
| — | $2,100 | INSTALLING TANKLESS WATER HEATER |
| — | $5,100 | REPLACE TANKLESS WATER HEATER |
| — | $6,950 | INSTALLING TANKLESS WATER HEATER |
| — | $8,133 | change out a tank heater to tankless |
| — | $3,800 | GAS RELAY REPAIR WITH TEST AND TANKLESS WATER HEATER |
| — | $6,500 | REPLACE 2 WATER HEATERS WITH TANKLESS |
| — | $3,100 | TANKLESS WATER HEATER INSTALLATION & GAS UPGRADE |
| — | $5,155 | install tankless water heater |
| — | $3,750 | REPLACE WATER HEATERS WITH TANKLESS WATER HEATERS |
| — | $3,100 | CHANGING OUT TANKLESS |
| — | $9,500 | INSTALL TANKLESS WATER HEATER WITH GAS UPGRADE |
| — | $4,000 | W/H CHANGE OUT TANK TO TANKLESS |
| — | $8,000 | REPLACE SANITARY DRAIN LINES BELOW FLOOR & VENTS REPAIR WATER LINE & GAS LINE INSTALL NEW |
Paid for tankless water heater installation in Dallas? Your receipt becomes the first real neighbor price on this page.
Add your price →How to read these numbers
A permit's declared value is the job cost the owner or contractor stated when they pulled the permit. It tracks the real cost of the work but can run a bit under what was actually paid, since it often leaves out some labor and finish costs. Treat the range as a grounded starting point. What tankless water heater installation actually costs in Dallas comes down to home size, materials, and scope.
Where this comes from
Every figure is pulled from Dallas's public building-permit records and classified by the work described. Nothing is estimated or AI-generated. How the data works. The moment a Dallas homeowner adds a real receipt, this page upgrades to show what neighbors actually paid next to these permit values.
Paid for tankless water heater installation in Dallas?
Add what you actually paid. It's anonymous, takes a minute, and turns this permit estimate into a real neighbor price the next homeowner can trust.
Add your price →