Top 10 Plumbing Companies in Weslaco, TX

Updated May 2026

Weslaco's Rio Grande-fed water is extremely hard and mineral-loaded, driving fast scale buildup on heaters, annual tankless descaling, and near-default softener installs, while clay soils, caliche, and heavy summer irrigation add slab leak and backflow issues. Below are the ten plumbers with the deepest Mid Valley track records for handling that mix.

1. Farrell Plumbing & Cooling

(956) 968-2261

Bio: Founded by Ed Farrell and his sons Skip and Bob, Farrell Plumbing & Cooling has partnered with the Weslaco community for 35+ years. Current owner-operator Dean continues the family's service-first ethic, and the company is located right in town at 412 Professional Drive.

Top Services

  • Residential plumbing repair
  • Water heater installation
  • HVAC service
  • Drain cleaning
  • Leak detection

What Sets Them Apart

  • 35+ years in Weslaco: Multi-generational local commitment.
  • Family-owned through three generations: Continuity of values.
  • Plumbing and HVAC combo: Useful for crossover emergencies.
  • Headquartered in Weslaco: Truly local, not regional dispatch.
  • Strong reputation in Mid Valley: Consistent reviews over decades.

2. M&S Plumbing Company

(956) 968-8377

Bio: M&S Plumbing is family-owned and operated with 50+ years serving the Rio Grande Valley. They handle the full residential and light commercial mix and are a default first call for many longtime Weslaco residents.

Top Services

  • Full-service residential plumbing
  • Water heater service
  • Sewer line repair
  • Drain cleaning
  • Faucet and fixture replacement

What Sets Them Apart

  • 50+ years in the Valley: Among the longest-tenured in the region.
  • Multi-generation family operation: Continuity of ownership.
  • Strong neighborhood reputation: Heavy word-of-mouth.
  • Licensed and insured: Permits handled in-house.
  • Bilingual operation: English/Spanish dispatch and field.

3. All Valley Plumbing

(956) 686-6656

Bio: All Valley Plumbing has been McAllen's top-rated plumbing and AC company since 1984 and dispatches into Weslaco daily. Same-day plumbing and AC service, water heater specialists, and a polished service experience make them a strong pick across the Valley.

Top Services

  • Same-day plumbing service
  • Water heater installation
  • Leak detection
  • AC and plumbing combo service
  • Tankless conversions

What Sets Them Apart

  • Operating since 1984: 40+ years in the Valley.
  • Same-day availability: Reliable scheduling.
  • Combined plumbing + AC: Useful for crossover service.
  • Strong reputation across the RGV: Years of "Best Of" recognition.
  • Polished service experience: Uniformed techs, clean trucks.

4. Mid Valley Plumbing

(956) 968-3050

Bio: Mid Valley Plumbing has 35+ years specializing in plumbing repairs and installation throughout the Mid Valley. Locally rooted and named for the area they serve, they're a natural choice for Weslaco homeowners who want a small, accountable shop.

Top Services

  • Plumbing repair
  • Water heater installation
  • Drain cleaning
  • Fixture replacement
  • Gas line work

What Sets Them Apart

  • 35+ years in the Mid Valley: Established since 1990.
  • Locally focused name: Mid Valley-specific operation.
  • Small-shop accountability: Direct owner contact.
  • Repair specialists: Most volume is service work.
  • Bilingual service: English/Spanish.

5. Treviño Repairs

(956) 968-3032

Bio: In the heart of the Mid Valley, Treviño Repairs proudly serves Weslaco with dependable plumbing, electrical, and HVAC solutions. A natural fit for homeowners who want multi-trade convenience.

Top Services

  • Plumbing service
  • Electrical work
  • HVAC service
  • Water heater installation
  • Drain cleaning

What Sets Them Apart

  • Tri-trade dispatch: Plumbing, electrical, HVAC.
  • Mid Valley-rooted: Headquartered in the area.
  • Multi-system expertise: Useful for crossover repairs.
  • Bilingual service: English/Spanish.
  • Reasonable pricing: Competitive on routine calls.

6. Central Plumbing & Electric

(956) 968-3185

Bio: Central Plumbing is a long-standing Weslaco company that has stayed true to its founding principles of straightforward, honest service. They handle plumbing and electrical work across the Mid Valley.

Top Services

  • Residential plumbing repair
  • Electrical service
  • Water heater installation
  • Sewer line work
  • Commercial plumbing

What Sets Them Apart

  • Decades of Weslaco history: Long-established local operation.
  • Plumbing + electrical license: Both trades under one roof.
  • Principled service ethic: Reviews consistently mention integrity.
  • Strong commercial portfolio: Capable on bigger jobs.
  • Licensed and insured: Permits handled cleanly.

7. AG Plumbing

(956) 421-2811

Bio: AG Plumbing has built a steady following in the Mid Valley with positive reviews specifically for residential service and water heater work. A reasonable pick for homeowners who want a smaller, locally rooted operation.

Top Services

  • Water heater installation
  • Drain cleaning
  • Faucet and toilet repair
  • Leak detection
  • Sewer line repair

What Sets Them Apart

  • Strong residential reviews: Consistent customer feedback.
  • Water heater focus: Common Weslaco service need.
  • Locally rooted: Mid Valley operation.
  • Bilingual service: English/Spanish.
  • Reasonable pricing: Competitive on routine calls.

8. Cytech Heating & Cooling (Plumbing Division)

(956) 804-5921

Bio: Cytech is primarily known across the Valley for HVAC, but their plumbing division has built a real following for water heater work, slab leaks, and routine plumbing service in Weslaco and the Mid Valley.

Top Services

  • Water heater installation
  • Slab leak detection
  • Drain cleaning
  • HVAC service
  • Whole-home water filtration

What Sets Them Apart

  • HVAC + plumbing under one roof: Useful for crossover service.
  • Strong Valley reputation: Established multi-trade operation.
  • Service membership plans: Annual maintenance offerings.
  • Polished service experience: Uniformed techs and dispatch system.
  • Bilingual operation: English/Spanish.

9. Roto-Rooter Plumbing & Drain

(956) 429-3015

Bio: Roto-Rooter's Rio Grande Valley branch dispatches into Weslaco 24/7 with its iconic drain-cleaning heritage layered over full plumbing service and water cleanup.

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: Brand built on sewer work.
  • Water cleanup integration: Mitigation in-house.
  • National warranty: Honored anywhere.
  • Trusted since 1935: Long brand history.

10. AAA RGV Plumbing

(956) 287-2900

Bio: AAA RGV Plumbing serves Weslaco and the broader Rio Grande Valley with a focus on residential service and emergency repair. Their reasonable pricing and quick response make them a reliable pick for routine work.

Top Services

  • Same-day emergency service
  • Water heater installation
  • Drain cleaning
  • Sewer line repair
  • Fixture replacement

What Sets Them Apart

  • Quick response: Strong same-day availability.
  • Reasonable pricing: Competitive on routine repair.
  • Valley-wide coverage: Reliable service area.
  • Bilingual service: English/Spanish.
  • Licensed and insured: Full coverage.

Frequently Asked Questions

How Are Rankings Determined?

We determine our rankings through independent research and local data, focusing on the plumbing companies that stand out in each city we cover. Unlike paid directories, we do not sell rankings, so our top 10 lists are built to help you find trusted local plumbers with more confidence and less guesswork.

Can A Plumbing Company Buy Rankings?

No, a plumbing company cannot buy rankings with us. We independently research and rank the top 10 plumbing companies in each city based on local data and verified information, so our rankings are not for sale.

So, How Does Plumber Ranker Make Money?

We will never sell rankings. Period. Advertising and Digital Marketing services are available for plumbing companies looking to understand and improve their online presence. However, our ranking formula is completely independent and cannot be purchased.