The Best Plumbing Contractors in Waterloo, WI

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

#1

Hergen Plumbing & Heating

4.8
(140 reviews)
Verified

A well-established, family-owned and operated business known for its reliability and comprehensive residential and commercial plumbing services. They emphasize customer service and have a strong reputation for emergency response and expert workmanship.

104 E Madison St, Waterloo, WI 53594

Specialties & Features

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

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

Capital City Plumbing, LLC

4.7
(90 reviews)
Verified

Based in nearby Sun Prairie, this highly-rated contractor is known for professional, clean, and efficient service. They receive consistent praise for their transparent pricing, knowledgeable technicians, and effectiveness in handling both routine installations and complex repairs.

2830 Prairie Lakes Dr, Sun Prairie, WI 53590 (Serves Waterloo)

Specialties & Features

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

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Aaction Rooter & Plumbing

4.6
(200 reviews)
Verified

A larger regional provider with a significant presence in south-central Wisconsin, including the Waterloo area. They specialize in advanced drain and sewer services but offer a full suite of plumbing solutions. Their high review count indicates extensive experience and customer interaction.

510 S Walker Way, Verona, WI 53593 (Serves Waterloo)

Specialties & Features

Drain cleaning and sewer services
Commercial plumbing services
Emergency plumbing repairs

Business Information

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

Why These Are the Top Plumbing Contractors in Waterloo

** The plumbing market in Waterloo, Wisconsin, is characteristic of a smaller Midwestern city. It is not dominated by large national chains but by established local and regional companies. The competition is moderate, with a few long-standing local operators (like Hergen Plumbing) serving as community staples, supplemented by highly-rated contractors from neighboring hubs like Sun Prairie and Marshall who regularly cover the area. The average quality of service is high, as these businesses rely heavily on local reputation and word-of-mouth. Pricing is generally competitive and in line with regional averages, with typical emergency service call fees ranging from $100-$200 before work begins, and hourly labor rates for licensed plumbers typically between $90-$150 per hour. Customers in this market tend to value responsiveness, transparency, and the trustworthiness associated with family-owned or long-standing local businesses.

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 Waterloo regulations and climate

Frequently Asked Questions About Plumbing in Waterloo

Get answers to common questions about plumbing services in Waterloo, Wisconsin.

1What are the most common plumbing issues for Waterloo homeowners, especially related to our climate?

The most frequent issues stem from our harsh Wisconsin winters, including frozen and burst pipes in poorly insulated crawl spaces or exterior walls. Additionally, older homes in Waterloo's historic districts may have galvanized steel pipes prone to corrosion and reduced water pressure. In spring, heavy rains can overwhelm sump pumps or test older home sewer lines, making proactive maintenance crucial.

2How do I choose a reliable plumber in the Waterloo area?

Always verify the plumber is licensed by the State of Wisconsin and carries proper insurance and bonding. For local reliability, seek providers with a long-standing physical presence in Jefferson or Dodge counties, and ask for references from neighbors. A reputable Waterloo plumber will be familiar with local water hardness, common soil types affecting sewer lines, and the specific building codes enforced by the City of Waterloo.

3What is the typical cost range for common plumbing services in Waterloo?

Costs vary, but local averages include $150-$450 for a service call and routine repairs (like faucet or toilet fixes), $1,000-$3,000 for water heater replacement, and $3,000-$8,000 for major sewer line repairs, which are common due to older clay tiles and tree root intrusion in the area. Always request a detailed, written estimate upfront, as final costs can be influenced by the age of your home and accessibility of pipes.

4When is the best time to schedule plumbing maintenance or non-emergency projects in Waterloo?

Schedule critical preventative maintenance, like insulating pipes and servicing your water heater, in the early fall before freezing temperatures arrive. For non-emergency projects like bathroom remodels, late winter or early spring is often easier to schedule, as plumbers are less burdened by the surge of freeze-related emergency calls that dominate the deepest winter months in Wisconsin.

5Are there any local regulations or programs in Waterloo I should know about for plumbing work?

Yes, the City of Waterloo requires permits for most plumbing work beyond simple repairs; a licensed plumber will handle this. Furthermore, if you have an older home, be aware of lead solder or pipe concerns, as Wisconsin has strict lead-in-water testing protocols. Some regional programs or utility incentives for water-efficient fixtures may be available, so it's worth asking your plumber or checking with Waterloo Utilities.