The Best Plumbing Contractors in Southwest, PA

Compare the highest-rated plumbing professionals in Southwest, Pennsylvania. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Mister Sewer

4.9
(425 reviews)
Verified

A highly-rated, family-owned plumbing and sewer specialist serving the greater Pittsburgh area, including Southwest PA. They are known for rapid emergency response and expertise in complex sewer and drain issues, utilizing state-of-the-art diagnostic and repair technology.

1255 Rt. 51, Large, PA 15025

Specialties & Features

24/7 Emergency Service
Sewer & Drain Cleaning
Video Camera Inspections
Trenchless Sewer Repair
Water Heater Services

Business Information

Years in Business:35 years
Licensed:Yes
Insured:Yes
#2

Michael's Plumbing

4.8
(312 reviews)
Verified

A trusted, full-service plumbing contractor providing comprehensive residential and commercial services. They emphasize honesty, upfront pricing, and high-quality workmanship. Their team is skilled in everything from minor faucet repairs to major repiping projects and water heater installation.

Pittsburgh, PA 15236

Specialties & Features

24/7 Emergency Service
Water Heater Installation & Repair
Bathroom & Kitchen Plumbing
Leak Detection
Repiping

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Stahl Plumbing

4.7
(198 reviews)
Verified

A well-established, local plumbing company with a long history of serving the Pittsburgh and South Hills communities. They offer a wide range of services with a focus on professional diagnostics, quality repairs, and customer education. They handle both routine maintenance and major emergencies.

341 Curry Hollow Rd, Pittsburgh, PA 15236

Specialties & Features

Residential & Commercial Plumbing
Drain Cleaning
Water Heater Services
Gas Line Installation
Fixture Installation

Business Information

Years in Business:45 years
Licensed:Yes
Insured:Yes

Why These Are the Top Plumbing Contractors in Southwest

Southwest Pennsylvania, particularly the areas south and west of Pittsburgh, features a mix of historic homes and newer developments. The region's aging infrastructure, including cast iron and clay sewer lines, leads to a high demand for drain and sewer cleaning, trenchless pipe replacement, and leak detection services. Hilly terrain can also contribute to drainage and water pressure issues. Local providers are well-versed in the challenges of older systems and the specific codes for the region. Emergency service is a critical offering due to the potential for pipe bursts in the variable climate.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Southwest regulations and climate

Frequently Asked Questions About Plumbing in Southwest

Get answers to common questions about plumbing services in Southwest, Pennsylvania.

1What are the most common plumbing issues for Southwest PA homes, especially related to our climate?

The most frequent issues are frozen and burst pipes due to our cold winters, and sewer line backups caused by invasive tree roots common in our region's clay-heavy soil. In older homes around Pittsburgh and the surrounding counties, galvanized steel pipes are prone to corrosion and failure. We also see a lot of sump pump failures, which are critical due to our heavy spring rains and hilly terrain causing basement flooding.

2How much should I expect to pay for common plumbing repairs in Southwest Pennsylvania?

Costs vary, but regional averages for common services are: unclogging a drain ($125-$300), repairing a leaky pipe ($150-$500), replacing a water heater ($1,200-$2,500), and fixing a running toilet ($150-$400). Emergency or after-hours calls typically incur a higher service fee. Always get a detailed, written estimate before work begins, as prices can differ between urban, suburban, and more rural areas of the region.

3What should I look for when choosing a plumber in Southwest PA to ensure they are reputable and licensed?

Always verify the plumber holds a valid Pennsylvania state plumbing license (required by law) and carries both liability insurance and workers' compensation. For municipalities like Pittsburgh, some require additional local licenses. Choose a company with deep local experience, as they will understand regional building codes, common soil and water issues, and the specific challenges of our older housing stock.

4When is the best time to schedule non-emergency plumbing work or replacements in this area?

Schedule routine maintenance and replacements like water heaters in late summer or early fall. This avoids the high-demand emergency season of winter (frozen pipes) and early spring (sump pump and basement water issues). Planning ahead ensures better availability and pricing. For outdoor plumbing or drainage work, schedule after the last frost, typically by mid-May in our region.

5Are there any local regulations or rebates in Southwest PA for upgrading plumbing fixtures?

Yes. Pennsylvania's Act 57 of 2022 (the Clean Streams Law) has specific requirements for sump pumps and downspouts in many municipalities to prevent sewer overflows. Additionally, some local water authorities, like the Pittsburgh Water and Sewer Authority (PWSA), offer rebate programs for installing WaterSense-labeled toilets, efficient washing machines, and rain barrels to manage stormwater, which can offset upgrade costs.