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Plumbers and heating and cooling contractors in Williamson County, TX

  • 15

    Contractors

  • 3

    With Google ratings

  • 6

    Registered 10+ years

15 plumbers and heating and cooling contractors are listed in Williamson County. 10 hold an active USDOT registration.

Of the 9 with a fleet size on record, 8 run one to three trucks and 1 runs four to ten. Hutto has the most contractors with 4, then Round Rock with 4 and Austin with 2.

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All 15 contractors

  1. PlumbingPro Austin
    Austin5.0 from 131 reviews via Google
    (512) 540-5095
  2. Zoom Drain
    Round Rock4.9 from 291 reviews via Google
    (737) 367-3445
  3. Mr. Rooter Plumbing of Austin
    Austin4.8 from 738 reviews via Google
    (512) 298-4916
  4. Casa Mechanical Services
    Round Rock
    (512) 334-7307
  5. Christianson Air Conditioning and Plumbing LLC
    Round Rock
    (512) 246-5216
Map of plumbers and heating and cooling contractors in Williamson County, TX
Pins mark ZIP code areas. A number shows how many contractors share that ZIP code.
  1. Mustang Plumbing Inc
    Round Rock
    (512) 733-1110
  2. Soto's Plumbing
    Round Rock
    (512) 705-6739
  3. Your Plumber Inc
    Cedar Park
    (512) 249-7473
  4. BGS Plumbing
    Hutto
    (737) 708-0808
  5. Hambone Septic Pumping
    Hutto
    (512) 388-7030
  6. MJ Mechanical Inc
    Hutto
    (512) 251-9700
  7. Repa Plumbing and AC Inc
    Granger
    (512) 859-2581
  8. Ideal Heating and Air LLC
    Hutto
    (512) 484-5638
  9. Millcon Inc
    Liberty Hill
    (512) 695-6640
  10. Tate Chuck Plumbing
    Georgetown
    (619) 701-4448
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Ranked by verified owner, then a Google rating of 4.0 or higher, then review count, then fleet size. A lower rating is still shown, and ranks with the listings we hold no rating for. How ranking works

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Homes in Williamson County

Half the homes in Williamson County were built before 2006, 9% before 1980 and 2% before 1960. (Census Bureau American Community Survey table B25035, 2020 to 2024 5-year estimates; Census Bureau American Community Survey table B25034, 2020 to 2024 5-year estimates)

From 1991 to 2020, Williamson County averaged 1,818 heating degree days and 2,781 cooling degree days a year. (NOAA NCEI nClimDiv county heating degree days, 1991 to 2020 averages; NOAA NCEI nClimDiv county cooling degree days, 1991 to 2020 averages)

In Williamson County, 50% of occupied homes heat with electricity, 46% with utility gas. (Census Bureau American Community Survey table B25040, 2020 to 2024 5-year estimates)

Plumbing and HVAC rules in Texas

What plumbing and HVAC work costs in Texas

Ranges are national; ask contractors near you.

A plumber's hourly rate
$45 to $200 an hour; most charge $70 to $150 (HomeAdvisor, Fixr, HomeGuide)
A plumber's service call
$50 to $300 a visit, which often covers the first hour (HomeAdvisor, Fixr, HomeGuide)
After-hours or emergency call
about $100 to $300 added to the call, or about $150 to $350 an hour (HomeAdvisor, Fixr, HomeGuide)
Burst or leaking pipe repair
$200 to $3,000; the guides' averages run $500 to $1,200 (HomeAdvisor, Fixr, HomeGuide)
Clearing a sink, tub or toilet drain
$100 to $275 (HomeAdvisor, Fixr, HomeGuide)
Clearing the main line
$175 to $800; typically $350 to $650 (HomeAdvisor, Fixr, HomeGuide)
Hydro jetting
$350 to $1,400, depending on the line and the blockage (HomeAdvisor, Fixr, HomeGuide)
Gas tank water heater
$700 to $2,700 installed; about $1,900 on average (HomeAdvisor, Fixr, HomeGuide)
Tankless water heater
$1,600 to $5,600 installed for gas, depending on gas line and venting work (HomeAdvisor, Fixr, HomeGuide)$850 to $3,000 installed for electric, before any panel upgrade ($850 to $1,700) (Fixr, HomeGuide)
Heat pump water heater
$2,000 to $4,600 installed in place of an electric tank; more when it replaces gas (HomeAdvisor, Fixr, HomeGuide)
Sewer camera inspection
$125 to $500 (HomeAdvisor, Fixr, HomeGuide)
Sewer line replacement
about $1,400 to $5,300 for a typical line (HomeAdvisor, HomeGuide)$50 to $250 a linear foot (HomeAdvisor, HomeGuide)
Replacing central AC on existing ducts
$3,900 to $8,000; about $6,000 on average (HomeAdvisor, Fixr, Forbes Home)
Swapping a heat pump on existing ducts
$4,000 to $8,000; a 3-ton system about $3,900 to $6,200 (HomeAdvisor, Forbes Home, HomeGuide)
A whole-home heat pump system
commonly $14,000 or more (NYSERDA, Massachusetts EEAC, Fixr, HomeGuide)
Replacing a gas furnace
$3,800 to $6,200 at standard efficiency (HomeGuide, HomeAdvisor, Fixr, Forbes Home)$5,200 to $12,000 at high efficiency (90% AFUE and up) (HomeGuide, HomeAdvisor, Fixr, Forbes Home)
Replacing an electric furnace
$1,600 to $8,000, with a like-for-like swap at the low end (Fixr, HomeAdvisor)
A single-zone mini-split
$2,000 to $5,000 (HomeGuide, Fixr, Forbes Home)
A multi-zone mini-split
$3,000 to $14,000 for 2 to 4 zones (HomeGuide, Fixr, Forbes Home)
An HVAC tune-up
$70 to $350 a visit; a basic tune-up is often about $100 to $200 (HomeGuide, HomeAdvisor, Fixr)
An HVAC maintenance plan
$120 to $500 a year (HomeGuide, Fixr)

Ranges from HomeAdvisor, HomeGuide, Fixr, Forbes Home, NYSERDA and the Massachusetts EEAC, checked September 2026.

What plumbing and HVAC work costs in Texas

Rules in Texas

Texas licenses master, journeyman and tradesman plumbers through its State Board of Plumbing Examiners.1, 2, 3 Air conditioning and refrigeration contractors in Texas are licensed by the Department of Licensing and Regulation.4 Your local building department in Texas can tell you whether replacing a water heater, furnace or AC needs a permit.

Plumbing and HVAC rules in Texas

Nearby counties

Sources

  1. Texas State Board of Plumbing Examiners ↑
  2. Texas State Board of Plumbing Examiners ↑
  3. Texas Legislature ↑
  4. Texas Department of Licensing and Regulation ↑