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Water Heater Repair & Replacement in San Antonio, TX

Compare 6 local water heater repair & replacement pros. Typical service: $182–$638.

Top Water Heater Repair & Replacement Companies in San Antonio

  1. 1.Air & Drain Works

    4.9★ (897 reviews)

    4.9★ from 897 reviews

    +12102399445Website

  2. 2.Diamond Plumbing Inc

    4.9★ (783 reviews)

    4.9★ from 783 reviews

    +12108668390Website

  3. 3.Mai Vu Plumbing

    4.9★ (625 reviews)

    4.9★ from 625 reviews

    +12103931488Website

  4. 4.2nd Opinion Plumbing Service

    4.8★ (368 reviews)

    4.8★ from 368 reviews

    +12102486708Website

  5. 5.Juan's Plumbing Services

    4.9★ (214 reviews)

    4.9★ from 214 reviews

    +12105143476Website

  6. 6.Plumbing First San Antonio

    5.0★ (66 reviews)

    5.0★ from 66 reviews

    +12105985004Website

Water Heater Repair & Replacement Cost in San Antonio

Local ranges, adjusted for area wage and cost-of-living data.

ServiceTypical range in San Antonio
Water heater repair$182–$638/job
Tank water heater replacement$1,094–$2,280/job
Tankless water heater install$1,824–$4,560/job
Flush and maintenance$91–$228/visit

Water Heater Repair & Replacement prices in San Antonio run about 9% below the national average, based on what this trade earns in the metro area — so neighbouring cities in the same metro see similar rates.

Quotes on this page come from 6 companies serving San Antonio, rated 4.9★ on average across 2,953 customer reviews.

San Antonio Climate & Seasonal Timing

What San Antonio's weather means for scheduling water heater repair & replacement.

Last spring frost
February 28
First fall frost
November 30
Annual precipitation
34.86"
Heating degree days
1,607
Cooling degree days
2,879
MonthLowHighPrecip
Jan39.6°62.7°1.93"
Feb42.1°66.8°1.98"
Mar49.7°73°2.34"
Apr56.7°80.2°1.99"
May65.5°85.6°4.45"
Jun71.6°91.1°4.49"
Jul73.5°93.6°2.71"
Aug73.5°94.8°2.34"
Sep68.1°89.8°3.33"
Oct58.6°81.4°4.45"
Nov48.9°71.9°2.72"
Dec39.7°63.5°2.13"

NOAA station data 3.16 miles from San Antonio.

Permits & Regulations in TX

Permit typically required

  • Plumbers are licensed by the Texas State Board of Plumbing Examiners, which licenses the individual plumber rather than the contracting business
  • License tiers are Tradesman Plumber-Limited, Journeyman, Master and Plumbing Inspector, each requiring an examination
  • Licensees must complete six hours of continuing professional education annually to renew

License required: Texas State Board of Plumbing Examiners license (Journeyman or Master)

Sources: tsbpe.texas.gov

Water Heater Repair & Replacement FAQs for San Antonio

How much does water heater repair cost in San Antonio?

Water heater repair in San Antonio typically runs $182-$638; full tank replacement costs considerably more.

How many water heater pros serve San Antonio?

We track 6 water heater specialists and plumbers serving San Antonio.

Do I need a permit to replace a water heater in San Antonio, TX?

In TX, Plumbers are licensed by the Texas State Board of Plumbing Examiners, which licenses the individual plumber rather than the contracting business. Water heater replacement commonly requires a permit in San Antonio because of gas, venting and relief-valve requirements.

Is water heater work in San Antonio more expensive than average?

Water heater work in San Antonio runs about -8.8% versus the national average.

Why does my water heater struggle in San Antonio winters?

When San Antonio lows reach 40F, incoming water is much colder, so a tank takes longer to recover and a heater with sediment or a weak element runs out of hot water sooner.

Is a tankless water heater worth it in San Antonio?

San Antonio averages 1,607 heating degree days a year. The colder the incoming water, the larger a tankless unit has to be to keep up with showers, which drives its price.

How often should a water heater be flushed in San Antonio?

Once a year is standard in San Antonio; flushing removes sediment that shortens tank life. Repairs caught early typically cost $182-$638.

Does summer heat affect water heaters in San Antonio?

Less than winter: with highs near 95F in San Antonio, incoming water is warm and heaters work least, which is why summer is a good time to schedule a replacement.