
Find the Best Toilet Repair & Replacement Contractors for Your Business
No obligation • Fast responses • Nationwide coverage

Why you can trust Search a Plumber
Search a Plumber is a leading United States resource for finding and evaluating professional plumbing services. Our team researches licensing, experience, and customer feedback to create unbiased, fact-driven overviews. Companies cannot pay to change ratings or placement, ensuring homeowners get trustworthy information.
Search providers near you
Top Toilet Repair & Replacement Contractors in Renton, Washington Ranked
A malfunctioning toilet is more than just an inconvenience; it can lead to wasted water, higher utility bills, and potential water damage in your Renton home. Toilet repair and replacement services address everything from a simple running toilet to a complete fixture upgrade, ensuring your bathroom is functional, efficient, and leak-free. This guide will help you understand common issues, typical solutions, and how to connect with skilled local professionals who can restore your toilet to proper working order.

South West Plumbing, Heating, Air, & Electric
825 S Stacy St, Seattle, WA 98134
South West Plumbing, Heating, Air, & Electric provides a range of plumbing, HVAC, and electrical services in Seattle, WA. With over 40 years of experience, they offer plumbing repairs, drain cleaning, sewer line repairs including hydro jetting and video camera inspections, as well as heating and air conditioning services. Their certified technicians handle everything from clogged drains and sewer issues to furnace repairs and electrical panel upgrades, serving the Seattle community with skilled and comprehensive solutions.

Rooter-Pal Plumbing, LLC
11851 124th Ave NE, Kirkland, WA 98034
Rooter-Pal Plumbing, LLC is a licensed plumbing company serving Seattle, WA, and nearby Eastside communities including Kirkland, Bellevue, Redmond, and Bothell. They provide a wide range of plumbing services such as water heater installation and repair, leak detection, drain cleaning with hydro jetting, sewer line repair including trenchless options, and foundation waterproofing. The company has over 10 years of experience serving residential and commercial properties in the area. Rooter-Pal Plumbing offers 24/7 emergency leak detection and plumbing services to address urgent needs at any time.

Empire Drain Co
Seattle, WA
Empire Drain Co is a plumbing company based in Kirkland, WA, serving Seattle and the surrounding King County area. Since 2014, they have offered a range of plumbing services including drain cleaning, leak detection, and toilet repair for both residential and commercial clients. The company is equipped to handle emergency plumbing needs with 24/7 availability and employs licensed and insured plumbers. With over 10 years of experience, Empire Drain Co focuses on quality installations and reliable repairs.

Ready Rooter
13222 SE 30th St Suite A-1, Bellevue, WA 98005
Ready Rooter is a plumbing and drain specialist serving Seattle, WA, and nearby areas. They offer a wide range of services including drain cleaning, sewer line repair, trenchless sewer repair, sump pump repair, tankless water heater installation, leak detection, repiping, and toilet repair. Their trenchless sewer line repair minimizes disruption while addressing sewer issues. The company is supported by experienced owners and technicians with many years in the industry. Ready Rooter provides 24/7 emergency services to assist customers whenever needed.

Parker Services Plumbing
4601 Shilshole Ave NW Suite D, Seattle, WA 98107
Parker Services Plumbing is a family-owned plumbing company serving Seattle, WA, since 2003. They provide a wide range of plumbing services for both residential and commercial clients, including water heater repair and installation, drain cleaning, sewer line repair, leak detection, repiping, and garbage disposal repair. The company specializes in sewer repair and replacement using advanced techniques such as trenchless sewer repair. Parker Services Plumbing also offers emergency plumbing services to address urgent issues like burst pipes and clogged drains promptly.
Common Toilet Problems in Renton Homes
Toilets are durable fixtures, but their internal components are subject to wear and tear. Understanding the symptoms can help you describe the issue accurately to a plumbing professional. The most frequent calls for toilet service in the area involve a few key problems.
- Running Toilet/Constant Water Sound: This is often the most common and wasteful issue. It's typically caused by a worn-out flapper that no longer seals properly or a faulty fill valve (also called a ballcock) that fails to shut off. You'll hear water trickling into the bowl long after a flush.
- Clogged or Slow-Draining Toilet: Blockages can occur in the toilet's internal trap or further down the drain line. While a plunger can handle minor clogs, persistent or deep blockages may require a toilet auger (snake) or professional hydro-jetting.
- Leaks at the Base or Water Supply Line: Water pooling around the toilet's base usually indicates a failed wax ring seal. A leak from the water supply connection often stems from a loose or corroded angle stop valve or supply line.
- Slow Filling Tank: If the tank takes an unusually long time to refill after flushing, the cause could be a kinked refill tube, a partially closed shut-off valve, or mineral deposits clogging the fill valve.
Repair Solutions and Procedures
The approach to fixing your toilet depends entirely on the diagnosis. Here's what you can expect from common toilet repair services.
Fixing a Running Toilet
A plumber will first turn off the water supply to the toilet. They will inspect the flapper chain for proper slack, clean the fill valve of any debris, and test the seal. In most cases, a running toilet is resolved by replacing the flapper, the fill valve assembly, or both. These are relatively quick repairs that restore the tank's ability to fill and seal correctly.
Clearing Stubborn Clogs
For clogs that resist a plunger, a plumber will use a closet auger-a specialized snake designed to navigate the toilet's trap without scratching the porcelain. If the blockage is deeper in the drain line, more powerful motorized augering or hydro-jetting may be necessary to clear the pipe completely 1.
Sealing Leaks
Leaks require immediate attention to prevent floor damage. For a base leak, the repair involves removing the toilet by disconnecting the supply line and unbolting it from the floor. The old wax ring is scraped away, and a new ring is installed before the toilet is carefully reset and re-secured 2 3. Supply line leaks are often fixed by tightening connections or replacing the flexible line or angle stop valve.
Find the perfect toilet repair & replacement contractors for your needs
Get personalized recommendations and expert advice
Understanding Toilet Replacement
Sometimes, repair is not the most cost-effective or desirable solution. Older toilets, frequent clogs, persistent leaks, or simply a desire for an upgrade are all reasons Renton homeowners opt for toilet replacement.
When to Consider Replacement
- Age and Inefficiency: Toilets installed before 1994 use 3.5 gallons per flush (gpf) or more. Replacing them with a modern low-flow model (1.28 gpf) can significantly reduce your household water consumption.
- Cracks in Porcelain: Any crack in the bowl or tank can lead to leaks and is a sanitation hazard. Replacement is the only safe option.
- Frequent Repairs: If you're constantly fixing the same toilet, investing in a new, reliable fixture can be more economical in the long run.
- Comfort and Style: Upgrading to a comfort-height (chair-height) toilet or a sleek one-piece design can improve accessibility and modernize your bathroom's look.
Choosing a New Toilet
Your plumbing professional can help you select the right fixture. Key considerations include:
- Flush Technology: Look for efficient, powerful flush systems that use less water.
- One-Piece vs. Two-Piece: One-piece toilets are easier to clean and have a modern profile, while two-piece models are typically more affordable.
- Rough-In Size: This is the distance from the wall to the center of the drainpipe. The standard is 12 inches, but older homes may have 10-inch or 14-inch rough-ins.
- ADA Compliance: Comfort-height toilets (around 17-19 inches tall) are easier to use for many adults and are a step toward ADA-compliant design.
Cost Considerations for Toilet Services in Renton
The cost for toilet work depends on the complexity of the job, the parts required, and the service provider's labor rates. Labor rates in the Seattle-Renton area typically influence the final price 4 5.
- Minor Repairs: Replacing internal components like a flapper, fill valve, or flush lever generally ranges from $150 to $400, including parts and labor.
- Clog Removal: Basic plunging or snaking might start around $100, while more involved hydro-jetting for severe blockages can cost $400 or more 6.
- Toilet Replacement: The total cost for a standard toilet replacement, including a mid-range fixture and professional installation, often falls between $300 and $700+. This price can increase with high-end toilet models or complicated installation scenarios 7 8.
It's always wise to request a detailed estimate before work begins, which should break down the cost of materials and labor.
The Importance of Professional Installation and Repair
While some homeowners are handy with a plunger or wrench, professional toilet service is crucial for many situations. A certified plumber ensures that repairs are done correctly, preventing recurring issues. For replacements, professional installation is vital for a proper, leak-free seal at the wax ring and secure connections at the water supply. They also handle the heavy lifting, disposal of the old fixture, and can identify any underlying issues with your bathroom's plumbing.
Frequently asked questions
Sources
Footnotes
-
Common Plumbing Problems and How to Fix Them - Nationwide - https://www.nationwide.com/lc/resources/home/articles/common-plumbing-problems-solutions ↩
-
Toilet Repair - 24 Hour Emergency Plumber in Renton, WA - https://rentonemergencyplumber.com/toilet-repair/ ↩
-
Toilet Gasket Replacement Costs and Installation - MyBuilder - https://www.mybuilder.com/plumbing/price-guides/toilet-gasket-cost ↩
-
What Do Local Plumbers Charge in Seattle, WA? - https://parkerservicesplumbing.com/what-do-local-plumbers-charge-in-seattle-wa/ ↩
-
Washington Plumbing Service Costs & Prices - ProMatcher.com - https://plumbers.promatcher.com/cost/washington.aspx ↩
-
Top Plumbing Contractors In Renton, WA - Modernize - https://modernize.com/near-me?find=plumbing&location=Renton,WA ↩
-
Toilet Repair Cost (2026) | Average Prices and Common Repairs - https://modernize.com/plumbing/toilet-repair-cost ↩
-
Renton Toilet Running - Beacon Plumbing - https://www.beaconplumbing.net/renton-toilet-running ↩