Top 10 Plumbing Companies in Katy, TX

Updated May 2026

Katy straddles Harris, Fort Bend, and Waller counties west of Houston on Gulf Coast clay with high water table. Slab leaks and irrigation backflow service are routine.

1. MET Plumbing

(346) 338-9442

Bio: MET Plumbing is led by Master Plumber Marion Tucker and serves Waller, Fort Bend, and Harris counties with 24/7 residential service.

Top Services

  • 24/7 residential plumbing
  • Drain cleaning
  • Water heater installation
  • Leak repair
  • Slab leak repair

What Sets Them Apart

  • Master plumber-led: Senior expertise at the top.
  • Three-county reach: Wide service area.
  • True 24/7 dispatch: Real overnight coverage.
  • Strong residential focus: Homeowner-first.
  • Licensed and insured: Permits handled cleanly.

2. The Katy Plumber

(833) 834-1087

Bio: The Katy Plumber's licensed technicians serve Harris, Fort Bend, and Waller counties.

Top Services

  • Residential plumbing repair
  • Water heater installation
  • Drain cleaning
  • Slab leak repair
  • Sewer line repair

What Sets Them Apart

  • Katy-focused name: Local identity.
  • Licensed technicians: Standardized credentialing.
  • Three-county coverage: Wide reach.
  • Strong residential focus: Homeowner-first.
  • Licensed and insured: Permits handled cleanly.

3. Mercy Plumbing

(281) 717-6770

Bio: Mercy Plumbing has been the go-to expert in Katy for nearly 15 years with 24/7 emergency availability.

Top Services

  • 24/7 emergency plumbing
  • Water heater installation
  • Drain cleaning
  • Slab leak repair
  • Fixture replacement

What Sets Them Apart

  • 15 years in Katy: Established local presence.
  • True 24/7 dispatch: Real overnight coverage.
  • Strong residential focus: Homeowner-first.
  • Locally rooted: Direct accountability.
  • Licensed and insured: Permits handled cleanly.

4. Abacus Plumbing

(713) 766-3833

Bio: Abacus has been serving Katy since 2003 with one of Houston's largest home services fleets.

Top Services

  • 24/7 emergency plumbing
  • Water heater service
  • Tankless conversions
  • Slab leak repair
  • Sewer camera and replacement

What Sets Them Apart

  • Operating in Katy since 2003: 20+ years local presence.
  • 365-day availability: Holidays and weekends covered.
  • Background-checked techs: Standardized hiring.
  • Tri-trade dispatch: Plumbing, HVAC, electrical.
  • Service membership program: Annual maintenance.

5. John Moore Services

(713) 730-2525

Bio: John Moore has served Katy since 1965 with plumbing, HVAC, electrical, and roofing under one roof.

Top Services

  • Plumbing repair and installation
  • Water heater service
  • Drain cleaning
  • HVAC and electrical service
  • Whole-home water filtration

What Sets Them Apart

  • Operating since 1965: Among the longest-tenured.
  • Multi-trade dispatch: Plumbing, HVAC, electrical, roofing.
  • Established Houston name: Decades-deep presence.
  • Service plan memberships: Annual maintenance.
  • Background-checked techs: Standardized hiring.

6. Nick's Plumbing & Air Conditioning

(713) 868-9907

Bio: Nick's Plumbing is a Houston-area institution covering Katy with combined plumbing and HVAC service.

Top Services

  • Water heater installation
  • Slab leak repair
  • Whole-home repipes
  • Drain cleaning
  • Sewer line replacement

What Sets Them Apart

  • Long Houston history: Decades-deep presence.
  • Strong on bigger jobs: Repipes handled well.
  • Plumbing + HVAC under one roof: Crossover-friendly.
  • Master plumber licensed: Code-tight installs.
  • Polished service experience: Modern dispatch.

7. JR Plumbing

(281) 690-7079

Bio: JR Plumbing is family-owned with 20+ years experience covering Katy from their Richmond base.

Top Services

  • Residential plumbing repair
  • Water heater service
  • Sewer line repair
  • Slab leak detection
  • Drain cleaning

What Sets Them Apart

  • 20+ years owner experience: Senior-level field expertise.
  • Family-owned and -run: Direct accountability.
  • Wide Fort Bend coverage: Katy core territory.
  • Strong customer service reviews: Reliable feedback.
  • Licensed and insured: Permits handled cleanly.

8. Benjamin Franklin Plumbing

(281) 869-3955

Bio: The Punctual Plumber. Benjamin Franklin covers Katy with the brand's signature on-time guarantee.

Top Services

  • Water heater installation
  • Slab leak detection
  • Drain cleaning
  • Fixture replacement
  • Repipes

What Sets Them Apart

  • On-time guarantee: Discounted service if late.
  • Flat-rate pricing book: Quote-to-invoice consistency.
  • National training program: Standardized curriculum.
  • Two-year repair warranty: Longer than industry standard.
  • Financing options: Useful for large jobs.

9. Mr. Rooter Plumbing

(281) 957-3777

Bio: Mr. Rooter covers Katy with licensed and insured plumbers and a strong drain heritage.

Top Services

  • Drain cleaning
  • Sewer line repair
  • Water heater service
  • Leak detection
  • Fixture replacement

What Sets Them Apart

  • Established franchise system: National training and standards.
  • Strong drain expertise: Built around sewer work.
  • No overtime charges policy: Same price weekends and evenings.
  • Up-front pricing: Quote before work begins.
  • Licensed and insured: Standardized permitting.

10. Roto-Rooter Plumbing & Water Cleanup

(281) 769-4112

Bio: Roto-Rooter's West Houston branch covers Katy 24/7 with the brand's iconic drain heritage.

Top Services

  • 24/7 drain cleaning
  • Sewer camera inspection
  • Hydro jetting
  • Water cleanup
  • Water heater repair

What Sets Them Apart

  • Always-on dispatch: Real overnight coverage.
  • Strong drain heritage: Built on sewer work.
  • Water cleanup integration: Mitigation in-house.
  • National warranty: Honored anywhere.
  • Trusted since 1935: Long brand history.

Frequently Asked Questions

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