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Top Toilet Repair & Replacement Contractors in Louisville, Kentucky Ranked

A functioning toilet is essential for any Louisville home, but issues like leaks, clogs, and constant running can disrupt your day and waste significant water. Professional toilet repair and replacement services address these common problems, ensuring your bathroom fixtures operate efficiently and hygienically. This guide helps you understand local service options, typical costs, and what to expect when you need to fix or install a toilet in the Derby City.

Anderson Plumbing llc

Anderson Plumbing llc

1057 Stratton Way, Shelbyville, KY 40065

Anderson Plumbing llc provides a range of plumbing services in Louisville, KY, including sewer camera inspections, water heater installation and repair, drain cleaning, sewer line repair, leak detection, repiping, and toilet repair. They serve residential and commercial customers across multiple nearby communities. The company offers expertise in tankless water heaters and sewer line inspections, with a focus on efficient and timely service. Anderson Plumbing llc has built a reputation for handling plumbing repairs and installations with professionalism and skill.

5.0
80 Reviews
Hubbard Mechanical - Georgetown

Hubbard Mechanical - Georgetown

110 E Main St Suite 113, Georgetown, KY 40324

Hubbard Mechanical - Georgetown provides comprehensive plumbing and HVAC services in Louisville, KY. The company offers a wide range of plumbing solutions including water heater repair and installation, sump pump repair, drain cleaning, sewer line repair, leak detection, repiping, and gas line installation. Their team is licensed with Master HVAC, Master Plumbing, and Boiler Contractor credentials, ensuring skilled handling of heating, cooling, and plumbing needs. With over 25 years of experience in the industry, Hubbard Mechanical serves both residential and commercial customers, focusing on reliable repairs and installations. They also specialize in installing gas, electric, and tankless water heaters, tailoring solutions to customer needs.

5.0
77 Reviews
Dany’s Plumbing

Dany’s Plumbing

8409 Lou Ct, Louisville, KY 40219

Dany's Plumbing is a licensed plumbing company serving Louisville, KY, with over six years of experience led by a master plumber. They provide a wide range of plumbing services including water heater installation and repair, sump pump repair, drain cleaning, sewer line repair, leak detection, repiping, and toilet repair. The company handles both new construction and remodeling projects and offers 24/7 service for urgent plumbing needs. They work with respected water heater brands such as Bradford White, Rheem, and A.O. Smith, ensuring reliable installations and repairs.

5.0
74 Reviews
Nine Line Plumbing

Nine Line Plumbing

143-1 Hamilton Ct Suite 3A, Louisville, KY 40229

Nine Line Plumbing is a plumbing service provider based in Louisville, KY. They offer a range of residential plumbing services including water heater repair and installation, sump pump repair, drain cleaning, sewer line repair, and toilet repair. Their team handles installation and maintenance of plumbing fixtures such as sinks, tubs, showers, toilets, and faucets. Nine Line Plumbing is equipped to manage both emergency and routine plumbing needs, focusing on ensuring safe and efficient system operation.

4.9
170 Reviews
Dauenhauer Plumbing Heating Air & Electric

Dauenhauer Plumbing Heating Air & Electric

3416 Robards Ct, Louisville, KY 40218

Dauenhauer Plumbing Heating Air & Electric provides comprehensive plumbing, HVAC, and electrical services in Louisville, KY. With over 65 years of experience, the company offers solutions including water heater repair and installation, sump pump and drain cleaning, leak detection, sewer line and toilet repair, as well as heating and cooling system maintenance and electrical panel upgrades. They are equipped to handle Louisville's specific home service needs, including flood-prone basements and seasonal weather challenges. Dauenhauer also offers 24/7 emergency services to address urgent plumbing, HVAC, and electrical issues promptly.

4.8
8.4k Reviews
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Common Toilet Problems in Louisville Homes

Louisville residents often encounter a few specific toilet troubles. Recognizing these issues early can prevent water damage and higher utility bills.

  • Running Toilets: This occurs when water constantly flows from the tank into the bowl, usually due to a faulty fill valve, an improperly adjusted float, or a worn flapper1. It's a frequent complaint that can waste hundreds of gallons of water daily.
  • Leaking Toilets: Leaks can manifest in several ways. Water pooling around the base of the toilet often signals a failed wax ring seal2. Condensation or "sweating" on the tank is common in humid weather, while drips from the supply line connection indicate a fitting or hose issue.
  • Persistent Clogs: While a plunger can handle minor blockages, recurring or severe clogs in older Louisville homes may point to deeper problems within the drain lines or the toilet's internal trapway1.
  • Wobbly or Loose Toilets: A toilet that rocks or feels unstable is more than a nuisance; it usually means the wax seal is compromised or the closet bolts securing it to the floor are loose. This can lead to leaks and floor damage.

Standard Toilet Repairs and Procedures

When you call a professional for toilet maintenance, they will typically follow a systematic approach to diagnose and fix the issue. Here's what common repair jobs entail.

Internal Component Replacement

The most common fixes involve parts inside the tank. A fill valve and flapper replacement involves shutting off the water, draining the tank, and installing a universal repair kit-brands like Fluidmaster are widely used by pros2. This resolves most running toilet problems. Replacing a faulty supply line-swapping an old, cracked rubber hose for a new flexible braided stainless steel line-is a straightforward repair that prevents sudden bursts.

Resealing and Re-Setting the Toilet

For leaks at the base, a wax ring replacement is necessary. This more involved repair requires removing the entire toilet from the floor, scraping away the old, compromised wax seal, and installing a new ring (sometimes with an integrated plastic flange) before carefully resetting the toilet and reconnecting the supply2 3.

Addressing Structural Issues

If the toilet flange-the pipe fitting that connects the toilet to the drain-is cracked or broken, a flange repair or replacement is needed. This is a more complex job that may involve cutting into the subfloor to install a new plastic or metal ring, ensuring a secure and leak-proof connection for the toilet4.

Understanding Toilet Service Costs in Louisville

Pricing for toilet work depends on the repair's complexity, the parts required, and the plumber's labor rates. Here's a breakdown of what Louisville homeowners can expect.

Repair Costs

For standard repairs like replacing a fill valve, flapper, and supply line, you can expect to pay between $180 and $300 for parts and labor2 3. Some local plumbers offer bundled pricing for this common service at around $1892. Replacing a broken wax ring or addressing a wobbly toilet typically falls within a similar price range, though a complex flange repair can cost $145 to $200 or more for labor and materials4.

Replacement and Installation Costs

If your toilet is beyond repair or you're upgrading, costs include both the new fixture and professional installation. Labor for installing a basic, owner-supplied two-piece toilet generally ranges from $150 to $300+2 5. The total cost for a toilet replacement with a new unit often falls between $400 and $800+, depending on the toilet's quality and features5 6. Factors like installing a one-piece model, dealing with outdated plumbing, or limited bathroom accessibility can increase the labor time and cost. Plumber hourly rates in the area typically range from $70 to $120 per hour7.

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Choosing Between Repair and Replacement

How do you decide whether to fix your current toilet or invest in a new one? Consider these factors:

  • Age of the Toilet: Fixtures older than 15-20 years may use significantly more water per flush (often 3.5+ gallons) compared to modern, efficient models that use 1.28 gallons or less. Replacement can lead to substantial water savings.
  • Frequency of Repairs: If you're constantly fixing leaks, handles, or flush mechanisms, the cumulative repair costs may justify purchasing a new, reliable model.
  • Condition and Cracks: Hairline cracks in the porcelain, especially in the bowl or tank, can lead to slow leaks and potential flooding. Cracks are not repairable and necessitate immediate replacement.
  • Aesthetic and Comfort Upgrades: Modern toilets offer improved designs, easier-to-clean surfaces, comfort-height bowls, and dual-flush technology, enhancing both your bathroom's look and functionality.

What to Expect During a Professional Service Call

A reputable service provider will follow a clear process. They will start with a diagnosis, explaining the issue and providing a clear estimate for the repair or installation. They will protect your bathroom floor with drop cloths and have all necessary tools and common parts on hand. For installations, they will check that the new toilet is compatible with your existing rough-in distance (the space from the wall to the drain center). After completing the work, a professional will test the toilet for proper flush, refill, and stability, and ensure there are no leaks. They should also clean up the work area and remove any old parts or packaging.

Maintaining Your Toilet to Prevent Future Issues

Regular maintenance can extend the life of your toilet and prevent emergencies. Avoid flushing anything besides toilet paper and human waste to prevent clogs. Periodically check for hidden leaks by adding a few drops of food coloring to the tank; if color appears in the bowl without flushing after 15-20 minutes, you have a leak. Gently tighten any loose bolts at the base of the toilet, but avoid overtightening, which can crack the porcelain. Consider having a professional inspect older supply lines and internal components during routine plumbing check-ups.

Frequently asked questions

Sources

Footnotes

  1. Plumbing Repair: Costs by Type, Materials, Emergencies & DIY vs. Pro - https://modernize.com/plumbing/repair-cost 2

  2. Plumbing Rates | A&S Plumbing Louisville Ky - https://www.asplumbingcompany.com/plumbingrates.html 2 3 4 5 6

  3. Cost to repair toilet in Louisville, KY - Handoff AI Estimating - https://www.handoff.ai/construction-costs/repair-toilet/louisville-ky 2

  4. 2026 Cost To Replace a Toilet Flange | Angi - https://www.angi.com/articles/how-much-does-it-cost-replace-toilet-flange.htm 2

  5. Toilet Repair Cost (2026) | Average Prices and Common Repairs - https://modernize.com/plumbing/toilet-repair-cost 2

  6. How Much Does Toilet Installation Cost in 2025? - This Old House - https://www.thisoldhouse.com/bathrooms/new-toilet-cost

  7. Plumber Hourly Cost Guide - Right Solution Plumbing - https://www.toiletwhisperers.com/blog/plumber-cost-per-hour-on-average/