Storage tank
$1,600–$2,400Typical cost, including installation
WATER HEATER REPLACEMENT IN ROUND ROCK
Round Rock Water Heater
Replacement
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See what replacement costs ↓ROUND ROCK AT A GLANCE
Replacing a water heater in Round Rock.
A water heater permit in Round Rock is a $50 home plumbing permit, applied for in the city's online Permit Portal. Switching from a tank to a tankless heater has its own application and needs a gas piping chart. City water is hard, averaging about 14.55 grains per gallon.
- Permit to replace with the same type
- Yes · City of Round Rock Building Inspection Division
- Permit fee
- $50 home trade permit (covers two inspections of the same type; $75 per re-inspection after two failures)
- Who gets the permit
- A plumbing contractor registered with the city (the application is rejected if no contractor is selected), or a homeowner using the city's homeowner trade permit process.
- Electric utility
- Retail electric choice
- Gas utility
- Atmos Energy
- Water
- City of Round Rock · Average 249 mg/L, about 14.55 grains per gallon (2025 Consumer Confidence Report); the report's table shows a 100-358 ppm range
- Typical home
- Built 2002 (median) · 56% owner-occupied
- Companies found
- 10 that advertise water heater work
01 / TYPICAL PRICES
What a new water heater costs.
Know before you call.
Heat-pump tank
$2,500–$5,000Typical cost, including installation
Tankless
$2,400–$5,400Typical cost, including installation
AI equipment illustrations; models vary and images are not to scale. Typical national prices from Home Depot ↗, checked September 28, 2026. The source doesn’t say how many jobs the ranges are based on. These are not Round Rock averages or guaranteed quotes.
Compare what each quote includes.Equipment · Labor · Permits · Old heater removalHow to compare quotes →
What we know about prices in Round Rock
- National installer’s published rangeThe ranges above. Home Depot ↗
- Local permit fee$50 home trade permit (covers two inspections of the same type; $75 per re-inspection after two failures). City of Round Rock Building Inspection Division fee source ↗
- Local company’s advertised price6 of the companies listed for Round Rock post water heater prices or specials on their websites: 1-800-Plumber +Air of Round Rock, Austin Plumbing, Beyond Wow Plumbing, Mr. Rooter Plumbing of Austin, Radiant Plumbing, Air Conditioning & Electrical, Stan's Heating, Air, Plumbing & Electrical. Each offer has its own conditions.
- Measured local dataNot collected yet, so no Round Rock average is shown.
What can change the price in Round Rock?
Switching from a tank to a tankless heater has its own application steps and needs a gas piping chart.
02 / COMPANIES WE FOUND
Who replaces water heaters in Round Rock?
Companies that advertise water heater replacement here, with what their water heater customers say.
Companies we found in our research. They are not Ember & Tank providers or partners. We show selected reviews, not a rating or every review. How we choose reviews →
1-800-Plumber +Air of Round Rock
Lists Round Rock among the areas it serves. Based in Round Rock.
- Tank
- Tankless
- Repair
- Emergency service
Published price: Promotion: '$100 Off Any New Water Heater' ('Upgrade to a New Energy Efficient Model!').
What the reviews say
We haven’t found reviews that mention this company’s water heater work yet.
Austin Plumbing
Lists Round Rock among the areas it serves. Based in Austin.
- Tank
- Tankless
- Heat pump
- Repair
- Emergency service
Published price: '10% Off First-Time Customers' (general discount, no water heater price published
What the reviews say
Water heater feedback A company-hosted testimonial praises phone troubleshooting for a water heater problem.
Worth knowing Not enough water heater reviews to assess installation quality or pricing; no water heater complaints found in the sources checked.
1 water heater review read, checked September 29, 2026.
Beyond Wow Plumbing
Lists Round Rock among the areas it serves. Based in Austin.
- Tank
- Tankless
- Repair
Published price: Offers (expire 9/30/26): '$100 off Tank-Type Water Heater Installation' and free Flow-tech water conditioning device ('$1,500 value') with a new tankless install offers page: 'SAVE $250 on a Tank Water Heater Installation or $500 on a Tankless Water Heater Installation'
What the reviews say
Water heater feedback BBB reviewers praised same-day tank replacement, a professional emergency repair on an attic electric water heater, and a quick fix after a drain-and-refill service.
Worth knowing Two customers described Navien tankless installs with leaks, gas-line problems and failed inspections.
4 water heater reviews read, checked September 29, 2026.
Cedar Park Plumbing
Lists Round Rock among the areas it serves. Based in Leander.
- Tank
- Tankless
- Heat pump
- Repair
What the reviews say
Water heater feedback A 2009 reviewer praised a fairly priced water heater thermostat repair.
Worth knowing A 2010 reviewer disputed a $95 minimum charge for a short water heater diagnosis; she said the company told her that was its minimum charge.
2 water heater reviews read, checked September 29, 2026.
Fox Service Company
Lists Round Rock among the areas it serves. Based in Austin.
- Tank
- Tankless
- Repair
- Emergency service
What the reviews say
Water heater feedback A reviewer praised a quick inspection and next-day water heater replacement.
Worth knowing A 2024 Yelp reviewer said he was charged $700 for 30 minutes of labor on a warranty part after an initial invoice showed only a $90 trip fee (no reply visible).
3 water heater reviews read, checked September 29, 2026.
Mr. Rooter Plumbing of Austin
Lists Round Rock among the areas it serves. Based in Austin.
- Tank
- Tankless
- Repair
- Emergency service
Published price: Coupons: '$150 Off Any Tank Water Heater Replacement' and '$300 Off New Tankless Water Heater' (unit must be provided by Mr. Rooter), both expiring 09/30/2026 —
What the reviews say
Water heater feedback Reviewers praised same-day water heater and pressure-valve replacement, clear explanations, and a quick tankless repair.
Worth knowing On Yelp, one customer said an $800 Rinnai tankless repair did not solve the problem and a $5,000 fix was then suggested; another objected to a $69 dispatch fee for a replacement quote; a 2017 reviewer said a new gas valve was broken during a warranty repair.
6 water heater reviews read, checked September 29, 2026.
Radiant Plumbing, Air Conditioning & Electrical
Lists Round Rock among the areas it serves. Based in Austin.
- Tank
- Tankless
- Repair
- Emergency service
Published price: Installation page includes a general cost explainer: standard 40-50 gal gas/electric install 'might range from $300 to $900, excluding the unit's cost'; tankless install '$1,000 to $3,000 or more' — presented as general estimates, not a Radiant quote
What the reviews say
Water heater feedback One reviewer praised professional service across jobs including water heater replacement.
Worth knowing A water heater customer disputed warranty-replacement charges.
2 water heater reviews read, checked September 29, 2026.
Reliant Plumbing
Lists Round Rock among the areas it serves. Based in Austin.
- Tank
- Tankless
- Heat pump
- Repair
- Emergency service
What the reviews say
Water heater feedback Yelp reviewers praised a free Sunday relight, advice on a failing unit and a professional, clean installation.
Worth knowing BBB complaints allege a $1,703.42 double charge (Reliant said a refund had been issued), an unfinished tankless job (answered, not resolved), an unconsented $213 membership (unanswered) and a faulty tankless install that ended in a $2,500 refund (resolved).
9 water heater reviews read, checked September 29, 2026.
Roto-Rooter Plumbing & Water Cleanup (Austin)
Lists Round Rock among the areas it serves. Based in Austin.
- Tank
- Tankless
- Heat pump
- Repair
- Emergency service
What the reviews say
Water heater feedback Reviewers praised same-day repair, honest advice on what a replacement did and did not need, and a quick fix to a burst water heater pipe.
Worth knowing On Yelp, one customer said a $2,500 replacement bid was repaired elsewhere for $150; another said a tankless installation flooded the house, and that the Austin manager accepted responsibility and arranged drying and repairs.
5 water heater reviews read, checked September 29, 2026.
Stan's Heating, Air, Plumbing & Electrical
Lists Round Rock among the areas it serves. Based in Austin.
- Tank
- Tankless
- Repair
- Emergency service
Published price: Coupon: 'Up To $300 Off A New Water Heater' — 10% off up to $300 on a standard water heater only, expires September 30, 2026
What the reviews say
Water heater feedback One customer praised same-day water heater installation.
Worth knowing Water heater customers described booking or follow-up difficulties.
2 water heater reviews read, checked September 29, 2026.
Order: companies based in Round Rock first, then companies whose water heater reviews we’ve read. Each group is alphabetical. These businesses are not our employees or vetted partners and do not receive requests from Ember & Tank. We haven’t checked their license, insurance or quality of work. Texas plumbing license lookup ↗.
FROM COMPANIES SERVING ROUND ROCK
Photos of water heater jobs from these companies.
HOMES IN ROUND ROCK
What Round Rock homes are like.
2002Median year built
11%Built before 1980
56%Owner-occupied
50%Heat with utility gas
67%Single-family homes
About 28% of homes were built since 2010, so many original water heaters are reaching the age when replacement planning makes sense.
U.S. Census Bureau, American Community Survey ACS 2024 5-year ↗ (2020-2024). Heating fuel is what homes use to heat the house. It often, but not always, matches the water heater’s fuel.
LOCAL CONDITIONS
What’s different in Round Rock.
2024 codes
Round Rock uses the 2024 International Residential, Plumbing and Energy Conservation Codes, among others.
Hard water
Round Rock reports average hardness of about 14.55 grains per gallon. It says this can cause cosmetic problems like water spots but doesn't damage plumbing.
ENERGY & WATER
Who supplies Round Rock homes.
Energy
- Electric: Retail electric choice (The city's page for new residents sends you to Power to Choose instead of naming one power company; we didn't confirm who delivers power to a given address.)
- Gas: Atmos Energy
Water
City of Round Rock: Average 249 mg/L, about 14.55 grains per gallon (2025 Consumer Confidence Report); the report's table shows a 100-358 ppm range
REBATES & CREDITS
Rebates for Round Rock homes.
For Retail electric choice and Atmos Energy customers in Round Rock. Ask installers for the price before rebates, then check with the program that you qualify.
- Federal Energy Efficient Home Improvement Credit (25C) ↗EndedCovered improvements made through December 31, 2025.
Checked September 29, 2026. Who qualifies and the conditions: Texas rebates · How to check an incentive.
PERMITS & LICENSING
Permits and licenses in Round Rock.
Permits and who issues them
Water heater work takes a home plumbing trade permit, applied for in the city Permit Portal (permits.roundrocktexas.gov). You pay after the application is accepted, and the permit takes about 3-5 business days. An inspection is required; book it in the portal by 4 p.m. for the next business day.
Yes. Contractors must send in the Building Inspections Contractor Registration Form before pulling permits.
City of Round Rock Building Inspection Division ↗ · Round Rock Standalone Building Permits ↗ · Round Rock Homeowner Projects ↗ · Residential Plumbing Trade application instructions ↗ · Residential Tankless Water Heater application instructions ↗ · Tex. Occ. Code §1301.551 (municipal plumbing permits) ↗
Check the installer’s license
Ask for the license number and search it yourself on the Texas plumbing license lookup ↗. A listing on Ember & Tank is not a license check. Texas licensing explained →
NEARBY CITIES
Compare places near Round Rock.
| City | Distance | Permit to replace | Fee | Electric |
|---|---|---|---|---|
| Brushy Creek | 5 mi | Required (county) | — | Oncor (delivery; retail electric provider chosen by customer), Pedernales Electric Cooperative (PEC) |
| Wells Branch | 6 mi | Check with city (county) | — | Oncor (delivery; retail electric provider chosen by customer) |
| Pflugerville | 7 mi | Required | $60 | Oncor (delivery; retail electric provider chosen by customer), Austin Energy |
| Hutto | 7 mi | Required | $50 | Oncor |
| Cedar Park | 9 mi | Required | — | Pedernales Electric Cooperative (PEC) |
| Georgetown | 10 mi | Required | $50 | Georgetown Utility Systems (GUS) |
COMMON QUESTIONS
Round Rock water heater questions.
How much is a water heater permit in Round Rock?
$50 for a home trade permit, which covers two inspections of the same type. After two failures, each re-inspection is $75.
What extra is needed to switch to a tankless water heater?
Round Rock has separate application steps for tank-to-tankless swaps and requires a gas piping chart with the application.
How hard is Round Rock's water?
The 2025 water quality report lists average hardness of 249 mg/L, about 14.55 grains per gallon.
More guides: Texas water heater replacement · All local guides