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Top Toilet Repair & Replacement Contractors in Milwaukee, Wisconsin Ranked
A malfunctioning toilet is more than just an inconvenience; it can lead to water waste, property damage, and unsanitary conditions. Professional toilet repair and replacement services are essential for maintaining a safe, functional, and efficient home. This guide is designed to help Milwaukee homeowners understand common toilet problems, typical solutions, and how to connect with skilled local professionals who can restore your bathroom's functionality quickly and reliably.

Knight Plumbing, Inc.
4270 S Howell Ave, Milwaukee, WI 53207
Knight Plumbing, Inc. is a family-owned plumbing company serving Milwaukee, WI, and nearby communities. Since 2001, they have provided a wide range of plumbing services including water heater repair and installation, drain cleaning, sewer line repair, hydro jetting, sump pump repair, leak detection, and gas line installation. Their team uses modern technology such as video camera inspections to diagnose issues accurately and efficiently. With over 20 years of experience, Knight Plumbing emphasizes quality workmanship and respectful service. They offer same-day appointments and maintain a well-stocked inventory to minimize wait times for repairs and replacements.

Viking Plumbing
6968 South 13th Street, Oak Creek, WI 53154
Viking Plumbing is a licensed and insured plumbing contractor serving Milwaukee, WI. They provide a wide range of plumbing services including sewer camera inspections, water heater repair and installation, water softener installation, sewer line repair, repiping, gas line installation, toilet repair, and garbage disposal repair. With over 25 years of experience, Viking Plumbing offers expertise in both residential and commercial plumbing projects. Their capabilities include comprehensive plumbing solutions such as gas piping repairs and water filtration system installations. The company emphasizes quality workmanship and clear communication throughout each project.

Knight Plumbing, Inc.
3613 N Doctor M.L.K. Jr Dr, Milwaukee, WI 53212
Knight Plumbing, Inc. is a family-owned plumbing company serving Milwaukee, WI, and surrounding areas since 2001. They offer a wide range of plumbing services including sewer camera inspections, water heater repair and installation, sump pump repair, drain cleaning, hydro jetting, sewer line repair, leak detection, repiping, gas line installation, and garbage disposal repair. Their team uses modern technology such as video camera inspections to diagnose and address plumbing issues efficiently. With over 20 years of experience, Knight Plumbing emphasizes honesty, integrity, and respectful service to both residential and commercial customers.

Schoenwalder Plumbing Inc
1720 Dolphin Dr a, Waukesha, WI 53186
Schoenwalder Plumbing Inc is a licensed plumbing company serving Milwaukee, WI, and the surrounding Waukesha area. They offer a wide range of plumbing services including sewer camera inspections, water heater installation and repair, water softener installation, drain cleaning, and toilet repairs. The company specializes in water heater solutions, including conventional and tankless models, and provides water treatment services such as water testing, filtration, and softening systems. Established in 1945, Schoenwalder Plumbing brings decades of experience to residential and commercial plumbing projects, including remodeling and compliance certification.

Atwater Plumbing LLC
milwaukee
Atwater Plumbing LLC is a licensed plumbing company serving Milwaukee, WI, and nearby communities. They offer a wide range of services including water heater installation and repair, drain cleaning, leak detection, sump pump maintenance, gas line installation, and water softener installation. The company emphasizes personalized service as a family-run business rooted in the Shorewood area, with a focus on transparent pricing and customer satisfaction. Their team uses advanced tools for leak detection and provides durable pipe installation and replacement solutions.
Common Toilet Problems in Milwaukee Homes
Understanding the specific issues that plague toilets in our area is the first step toward a solution. Milwaukee's climate and the age of many local homes contribute to a familiar set of plumbing challenges.
- Running Toilet / Constant Refilling: This is one of the most frequent complaints and a major source of water waste. It's typically caused by a worn-out flapper that no longer seals properly, a faulty fill valve (also called a ballcock), or an issue with the overflow tube 1 2.
- Leaks at the Base: Water pooling around the toilet's base often signals a failed wax ring seal. This crucial gasket sits between the toilet and the sewer flange on the floor. Over time, it can dry out, crack, or become misaligned, allowing water to seep out with every flush 1 3.
- Weak Flush or Frequent Clogs: A toilet that requires multiple flushes or clogs often may have a partial blockage in the trap or drain line, a weak fill from a malfunctioning valve, or mineral buildup in the rim feed holes 2 4.
- Freezing Supply Lines: Milwaukee's cold winters pose a unique risk. Water supply lines running through uninsulated crawl spaces, basements, or exterior walls can freeze and crack, leading to significant leaks when they thaw 3.
- Wobbly Toilet: A toilet that rocks or feels unstable is not just annoying-it can break the wax seal and cause a leak. This is usually due to loose closet bolts or a problem with the floor flange itself 1.
Standard Repair Procedures and Materials
When you call a professional for toilet maintenance, they will diagnose the issue and typically follow a standard set of repair approaches using quality materials to ensure a long-lasting fix.
For Internal Leaks and Running Water: The repair process usually involves shutting off the water, draining the tank, and replacing the faulty components. A plumber will typically install a new rubber flapper, a modern fill valve (often made of durable plastic or brass), and check the overflow tube 1 5. These internal repair parts are designed for reliability and can often solve the problem without needing to remove the entire toilet.
For Base Leaks and Resetting: Fixing a leak at the base is a more involved process. The plumber must disconnect the water supply, remove the toilet from the floor, and scrape away the old, failed wax ring. They will then install a new wax ring (often with a plastic "horn" to guide the seal) and carefully reset the toilet, ensuring it is level and securely bolted to the flange 1 2 4. This repair restores the critical watertight seal between your fixture and the home's drainage system.
Addressing Clogs and Blockages: While a plunger can handle minor clogs, persistent issues require professional tools. Plumbers use closet augers or motorized drain snakes to clear obstructions in the toilet's internal trap. For more severe blockages further down the line, hydro-jetting may be recommended to scour the pipe walls clean 4 6.
Dealing with Frozen or Faulty Supply Lines: If a supply line has frozen and cracked, a plumber will replace the damaged section. In Milwaukee, they will likely recommend installing insulated supply lines or adding pipe insulation to vulnerable areas to prevent a recurrence 6 3.
When to Consider Toilet Replacement
Sometimes, repair is not the most cost-effective or practical solution. Full toilet installation may be advisable in several situations.
- Persistent Problems: An older toilet that requires frequent repairs for different issues is often a candidate for replacement.
- Cracks in the Porcelain: Hairline or larger cracks in the bowl or tank can lead to leaks and are generally not repairable.
- Inefficient Water Use: Toilets manufactured before 1994 use 3.5 to 7 gallons per flush. Replacing them with a modern, high-efficiency (low-flow) model that uses 1.28 gallons or less can lead to significant water savings 5 7.
- Aesthetic or Comfort Upgrades: Many homeowners choose replacement to update the bathroom's style, switch to an elongated bowl for comfort, or install a "smart" toilet with features like bidet washing, heated seats, and automatic flushing.
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Understanding Costs for Toilet Services in Milwaukee
Pricing for toilet work can vary based on the complexity of the job, the cost of parts, and the expertise of the plumbing professional. Here's a general overview of what you might expect in the Milwaukee area 1 5 4 7.
- Simple Repairs: Fixing a running toilet by replacing a flapper, fill valve, or flush valve assembly typically ranges from $75 to $250, including parts and labor.
- Wax Ring Replacement / Resetting Toilet: Resealing a leaking toilet base by replacing the wax ring is a more labor-intensive job, generally costing between $150 and $300.
- Full Toilet Replacement: The total cost to remove an old toilet and install a new one, including the price of the new fixture, can range from $290 to over $900. The final price depends heavily on the model of toilet selected (standard, high-efficiency, or smart) and any complications with the existing plumbing or flooring 7 8.
- Complex Issues: Addressing major clogs requiring advanced snaking, repairing or replacing a broken flange, or fixing damage from frozen pipes can cost $300 to $600 or more6.
Choosing a Service Provider in Milwaukee
For a project as important as your home's plumbing, selecting the right professional is key. Look for a licensed and insured local plumber with positive reviews and a proven track record in toilet repair and installation 9 10. Experienced professionals will provide a clear estimate, explain the necessary work, and use quality parts to ensure the repair is durable, especially important in Milwaukee's older homes where plumbing systems may be more delicate or outdated 2 11.
Frequently asked questions
Sources
Footnotes
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Plumbing Repair: Costs by Type, Materials, Emergencies & DIY vs. Pro - https://modernize.com/plumbing/repair-cost ↩ ↩2 ↩3 ↩4 ↩5 ↩6
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Milwaukee Toilet Repair & Installation Professionals | Capital - https://www.capitalhvac.com/plumbing/toilet-repair-installation/ ↩ ↩2 ↩3 ↩4
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Toilet Repair & Installation Services in Milwaukee, WI - https://romanelectrichome.com/plumbing/toilets/ ↩ ↩2 ↩3
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Toilet repair costs: What you need to know before calling a plumber - https://local.yahoo.com/plumbing/toilet-repair-costs-140057811.html ↩ ↩2 ↩3 ↩4
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Expert Toilet Repair & Installation Milwaukee - Feltner Sewer & Drain - https://feltnersewerdraininc.com/services/toilet-repair-installation/ ↩ ↩2 ↩3
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Plumbing Prices: Understanding the Cost of Common Services - https://prestigeplumbingcooling.com/plumbing-prices-understanding-the-cost-of-common-services/ ↩ ↩2 ↩3
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Cost to replace toilet in Milwaukee, WI - Handoff AI Estimating - https://www.handoff.ai/construction-costs/replace-toilet/milwaukee-wi ↩ ↩2 ↩3
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Toilet Installation in Milwaukee, WI - Costs 12 / 2025 - Homeyou - https://www.homeyou.com/wi/toilet-installation-milwaukee-costs ↩
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Reliable Toilet Repair Services in Milwaukee, WI - https://www.oakcreekplumbing.com/reliable-toilet-repair-services-milwaukee-wi ↩
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How Do You Choose a Toilet Repair Service in Milwaukee, WI - https://cusoon.us/blog/how-do-you-choose-a-toilet-repair-service-in-milwaukee-wi/ ↩
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Plumbing Repair Cost: What to Expect - https://myh2oplumbing.com/plumbing-repair-cost/ ↩