If your water heater is failing, the first question is almost always 'what's this going to cost?' Here are honest 2025 planning ranges for Cibolo and the San Antonio area, plus the factors that decide where in the range your job lands.
The short answer
- Tank water heater installed: roughly $800–$2,300
- Tankless water heater installed: roughly $1,500–$4,500
- Cibolo replacement water-heater permit: about $25 (we pull it)
These are ranges, not quotes. A straightforward like-for-like tank swap in an accessible garage sits at the low end; a tankless conversion needing gas and venting upgrades sits at the high end.
What drives the price
Tank vs. tankless
A tankless unit costs more up front but uses less standby energy, lasts longer, and isn't sitting full of scaling water all day. If you're weighing the two, our tankless water heater page breaks down the trade-offs for Cibolo homes.
Fuel type and upgrades
Gas and electric differ in unit and install cost. If the replacement requires venting changes, a larger gas line, an expansion tank, or an electrical upgrade to meet current code, that adds to the total. Tankless conversions most often trigger these upgrades.
Capacity and brand
A bigger household needs a larger tank or a higher-flow tankless unit, and premium brands cost more. We size for your real demand rather than just matching the old unit's sticker.
Repair or replace?
If your unit is under about 8 years old and the failed part is a thermostat, element, thermocouple, or valve, a water heater repair usually makes more sense than replacement. If it's older, leaking from the tank itself, or racking up repairs, replacement is the smarter spend. We give you the age, the fault, and the installed cost of a new unit so you can decide.
Why the hard-water angle matters in Cibolo and Marion
Homeowners across Cibolo and nearby Marion tell us the same story: a heater that died years before it should have, full of scale. The mineral-heavy Edwards and Carrizo-Wilcox water is the culprit. Flushing the tank annually and softening your water are the two best ways to protect the next one.
Get a real number
Every quote we give is written and line-itemed — unit, labor, permit, and any upgrades — so there are no surprises. Call (831) 290-4327 for a free replacement estimate in Cibolo.
The Costs People Forget to Budget For
The sticker price of the unit is only part of a water-heater replacement. If your install needs to meet current code, the real number can include an expansion tank, a new drain pan, updated venting, a proper shut-off, or a gas or electrical correction the previous installer skipped. Cibolo also charges about $25 for the replacement permit, which we pull.
None of that is upselling — it's the difference between an install that passes inspection and lasts and one that fails early or leaks. When we quote, every one of those line items is spelled out, so you can see exactly what you're paying for and why. A cheap quote that omits code work isn't cheaper; it just moves the cost to later.
Frequently Asked Questions
No. An oversized tank wastes energy keeping water hot you don't use; an undersized one runs out. The right size matches your household's peak simultaneous demand and fuel type. We size for how many fixtures run at once, which is the actual cause of 'running out' of hot water.
Often, modestly. Newer units are better insulated and more efficient than a scaled 10-year-old tank that's working overtime. The bigger savings usually come from tankless (no standby loss) or from pairing any heater with a softener so it doesn't scale up and lose efficiency.
We don't recommend it. Gas connections, venting, and code requirements carry real safety and permit risk, and a mistake can void the manufacturer warranty or cause carbon-monoxide or leak hazards. A permitted, professional install protects your home and your warranty.
Cibolo Pro Plumbing
Licensed Texas plumbers (TX Master Plumber (TSBPE)) based in Cibolo, serving the Metrocom for 15+ years. Have a question about your home's plumbing? Call (831) 290-4327.
