North Texas · Updated June 2026
Water Heater Cost Calculator (North Texas, 2026)
A standard 40–50 gallon tank water heater replacement costs $1,200–$2,800 installed in Dallas–Fort Worth, with most like-for-like gas swaps landing $1,300–$1,900. Tankless conversions run $4,500–$10,000 with gas-line and venting work. Estimate your job below.
Researched estimate for the DFW market — not a quote. Texas requires a permit and a licensed plumber for water heater replacement. Full breakdown: water heater cost guide.
What moves your price
- Fuel and venting. Power-vent and tankless units cost more in both equipment and labor.
- Code items. Expansion tank, drain pan and T&P discharge updates add a few hundred dollars to most DFW quotes.
- Location in the home. Attic installs (common in North Texas) add labor and a pan/drain requirement.
- Tankless conversions. Larger gas line, new venting and electrical typically push conversions past $4,500.
Frequently asked questions
How much does water heater replacement cost in DFW?
Most standard 40–50 gallon tank replacements cost $1,200–$2,800 installed in 2026; like-for-like gas swaps usually land $1,300–$1,900. Tankless conversions run $4,500–$10,000.
Do I need a permit to replace a water heater in Texas?
Yes — Texas requires a permit and a licensed plumber for water heater replacement, and most DFW cities inspect the work. A quote that skips the permit is a red flag.
Is tankless worth it in North Texas?
Tankless costs 2–4× more upfront but lasts roughly twice as long (20+ years vs. 8–12) and saves space. It pays off most in larger households with high hot-water use.
Planning the bigger picture?
See every researched DFW cost range — from plumbing repairs to full system replacements.