Top 3 Plumbing Contractors in Janesville

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

#1

Thompson Plumbing & Heating

4.8
(150 reviews)
Verified

A well-established, family-owned and operated business known for its reliable service and deep roots in the Janesville community. They offer a full suite of residential and commercial plumbing services and are highly regarded for their customer service and technical expertise.

110 N Franklin St, Janesville, WI 53548

Specialties & Features

Emergency plumbing repairs
Water heater installation and repair
Drain cleaning and sewer services

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
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#2

A-1 Sewer Service

4.7
(200 reviews)
Verified

A highly specialized provider focusing on the more complex underground and sewer-related aspects of plumbing. They are a top choice for persistent drain clogs, sewer line replacement, and video pipe inspections. Their name reflects their core expertise, but they offer a wider range of services.

1821 Center Ave, Janesville, WI 53546

Specialties & Features

Drain cleaning and sewer services
Pipe installation and replacement
Leak detection and repair

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
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#3

Mr. Rooter Plumbing of Southern Wisconsin

4.9
(100 reviews)
Verified

Part of a nationally recognized franchise, this provider brings brand-standard training, professionalism, and a strong guarantee to the local market. They are known for their punctuality, clean, uniformed technicians, and upfront pricing. While based in a neighboring city, they are a major service provider for the Janesville area.

2927 Commerce Park Dr, Madison, WI 53719 (Serves Janesville)

Specialties & Features

Emergency plumbing repairs
Bathroom and kitchen plumbing
Water heater installation and repair

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
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Why These Are the Top Plumbing Contractors in Janesville

** The plumbing market in Janesville is competitive, characterized by a mix of long-standing local family businesses and regional or national franchises that extend their service areas to cover the city. The overall quality of service is high, with several companies boasting excellent reputations built over decades. Consumers have a good range of choices between specialized sewer/drain companies and full-service general plumbers. Competition is robust but not oversaturated, which helps maintain fair pricing. Typical pricing for a standard service call (diagnosis and first hour of labor) generally ranges from $80 to $150. Emergency or after-hours rates are significantly higher, often starting at a $150-$250 premium on top of the standard hourly rate, which can be $100-$200 per hour. The presence of reputable, established companies provides consumers with reliable options, reducing the risk of encountering "fly-by-night" operators.

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 Janesville regulations and climate