Top 10 Plumbing Companies in San Marcos, TX

Updated May 2026

San Marcos sits between Austin and San Antonio along I-35 in Hays County with Hill Country limestone and caliche subsoil, hard limestone-laden water that scales fixtures aggressively, and rapid Texas State University-driven rental and subdivision growth. Add the spring-fed San Marcos River, the busy commercial corridor along the interstate, and the freeze patterns specific to Central Texas, and San Marcos plumbers tend to develop strong skills across residential service, student rental turnover, and commercial accounts. The companies below have built reputations across San Marcos, Buda, Kyle, Wimberley, and the broader Hays County market.

Woods Comfort Systems

Phone: (512) 253-8927
Website: woodscomfortsystems.com
Address: 1902 Dutton Drive, Building #1, San Marcos, TX 78666
Bio

Woods Comfort Systems is a family-owned HVAC and plumbing company that has been rooted in San Marcos since 2008, with the Woods family serving Texans since 1956. Their licensed plumbers handle repairs and installations for homeowners across San Marcos and the surrounding Texas Hill Country. The company operates under Texas plumbing license RMP-15462 and provides round-the-clock emergency service. They serve San Marcos, New Braunfels, Kyle, Wimberley, and nearby communities.

Top Services
Plumbing repairDrain cleaning and uncloggingWater heater installation and repairWater softener and filtration systemsSewer and drain services
What Sets Them Apart
  • Decades of family ownership. The Woods family has been serving Texans since 1956, spanning three generations of trade expertise.
  • Licensed and credentialed. The company operates under Texas plumbing license RMP-15462 with licensed plumbers on staff.

Mr. Rooter Plumbing of San Marcos

Phone: (512) 877-4379
Website: www.mrrooter.com/san-marcos
Address: 1409 N Bishop, Ste C-6, San Marcos, TX 78666
Bio

Mr. Rooter Plumbing of San Marcos is a locally owned and operated franchise backed by the nationally recognized Mr. Rooter brand. The branch is led by owner Josh Creasy, who holds a master plumbing license, and serves both residential and commercial customers. The team offers upfront, flat-rate pricing with no overtime charges and is available 24 hours a day, seven days a week. Their work is backed by the Neighborly Done Right Promise.

Top Services
Drain cleaningPlumbing repairsWater heater servicesEmergency plumbingCommercial plumbing
What Sets Them Apart
  • Master-licensed local ownership. Owner Josh Creasy holds a master plumbing license and runs the branch locally.
  • Flat-rate, upfront pricing. They quote flat-rate prices with no overtime charges, so customers know costs in advance.

R & R Plumbing Services

Phone: (512) 738-4598
Website: www.randrplumbingservices.com
Address: San Marcos, TX 78666
Bio

R & R Plumbing Services LLC is a plumbing company based in San Marcos that was started in June 2020 and is managed by Randel Hernandez. The company serves San Marcos and surrounding areas with residential, remodel, new construction, and commercial work. They are open Monday through Saturday and handle plumbing jobs throughout the region.

Top Services
Residential plumbingRemodelsNew construction plumbingCommercial plumbingGeneral plumbing repairs
What Sets Them Apart
  • Locally based and owner-managed. The company is managed by Randel Hernandez and based in San Marcos.
  • Full range of project types. They handle residential, remodel, new construction, and commercial plumbing.

5J Plumbing

Phone: (830) 556-1466
Website: www.5jplumbing78155.com
Address: 217 South River Street, Ste 107, Seguin, TX 78155
Bio

5J Plumbing is a Seguin-based company owned and operated by licensed master plumber Cameron Janota, a Seguin local with roughly ten years of plumbing experience in the area. The company serves San Marcos along with Seguin, Marion, La Vernia, Cibolo, and New Braunfels. They are BBB accredited with an A+ rating and offer 24-hour emergency service. Standard hours are Monday through Friday, with weekend emergency coverage available.

Top Services
Water leak and pipe repairsFixture installation and serviceBackflow inspection and installationDrain stoppage clearingSewer camera inspection
What Sets Them Apart
  • Master plumber ownership. The company is owned and operated by licensed master plumber Cameron Janota.
  • A+ BBB accreditation. 5J Plumbing is BBB accredited with an A+ rating.

Connally Plumbing

Phone: (512) 814-3431
Website: connallyplumbing.com
Address: 415 N Guadalupe St, 159, San Marcos, TX 78666
Bio

Connally Plumbing Inc. is a family-owned and operated full-service plumbing company that has served homeowners and businesses since 2013. Led by Justin Connally, the company handles residential and commercial installation, maintenance, and repair across New Braunfels, San Marcos, and surrounding areas. They operate under Texas plumbing license M-39411 and are fully insured. The company offers free estimates, no trip charges, and 24-hour emergency service at no extra cost.

Top Services
Water heater and tankless installationDrain cleaning and hydro-jettingLeak repair and leak searchSewer cleaning and inspectionWater softeners and filtration
What Sets Them Apart
  • Licensed and insured. The company operates under Texas plumbing license M-39411 and is fully insured.
  • Family-owned since 2013. Connally Plumbing has served homeowners and businesses for over a decade.

Come And Plumb It

Phone: (512) 213-8911
Website: www.comeandplumbit.com
Address: San Marcos, TX 78666
Bio

Come And Plumb It is a family-owned and operated plumbing company founded in 2018 that serves San Marcos and the surrounding Texas Hill Country. The business is led by owner Justin B. and specializes in water heaters, leaks, repairs, and remodels. They serve San Marcos, New Braunfels, Kyle, Buda, and nearby areas, operating Monday through Saturday. Customers consistently note their clear communication, fair pricing, and quality workmanship.

Top Services
Water heater service and replacementDrain cleaningLeak detection and repairPlumbing repairsRemodel plumbing
What Sets Them Apart
  • Family-owned and operated. Come And Plumb It is a family-run company founded in 2018.
  • Water heater specialists. Customer reviews consistently highlight their expertise with water heater replacements.

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