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Top Toilet Repair & Replacement Contractors in San Jose, California Ranked
A malfunctioning toilet is more than an inconvenience; it's a disruption to your home's essential functions and can lead to wasted water and higher utility bills. Whether you're dealing with a constant running sound, a persistent leak, or a toilet that's simply seen better days, professional toilet repair and replacement services restore order, efficiency, and peace of mind. This guide will help you understand common toilet problems in San Jose, the solutions available, and how to connect with skilled local professionals who can diagnose and fix the issue correctly.

Roto-Rooter Plumbing & Water Cleanup
1780 Whipple Rd Ste 203G, Union City, CA 94587
Roto-Rooter Plumbing & Water Cleanup provides comprehensive plumbing services in San Jose, CA, specializing in residential and commercial plumbing solutions. Their offerings include sewer and drain cleaning, water heater repair and installation, leak detection, gas line installation, and trenchless sewer repair. The company is equipped to handle emergency plumbing situations with 24/7 availability, ensuring prompt response to issues like burst pipes and sewer backups. With extensive experience and advanced technology, Roto-Rooter addresses complex plumbing challenges efficiently. They also offer floodwater cleanup and mold remediation services, supporting property restoration after water damage. Serving the San Jose area and nearby communities, Roto-Rooter is a licensed and insured provider known for its broad range of plumbing capabilities and emergency service availability.

Pure Plumbing Solutions
645 E McGlincy Ln, Campbell, CA 95008
Pure Plumbing Solutions is a plumbing company serving San Jose, CA, with over 20 years of experience. They specialize in water heater repair and installation, including both traditional and tankless systems, as well as leak detection, repiping, and general plumbing repairs. Their services focus on restoring reliable water flow and improving home plumbing efficiency using modern materials and precise repair techniques.

Dr. Drain Plumbing and Rooter
1043 Pinehurst Ct, Millbrae, CA 94030
Dr. Drain Plumbing and Rooter provides plumbing services in San Jose, CA, including water heater repair, drain cleaning, sewer line repair, leak detection, and toilet repair. Their team consists of licensed and insured technicians who handle a range of plumbing issues from routine maintenance to complex repairs. They focus on accurate diagnosis and assigning the right technician to each job to ensure efficient service.

The Tankless Guys Plumbing & Rooter
473 Sapena Ct, Santa Clara, CA 95054
The Tankless Guys Plumbing & Rooter provides a range of plumbing services in San Jose, CA, with over 20 years of experience in residential plumbing. Their services include sewer camera inspections, sewer line and trenchless sewer repairs, leak detection, water heater installation and repair-including tankless water heaters-and toilet repair. They focus on thorough sewer inspections and minimally invasive sewer line replacements to maintain safe and efficient plumbing systems. The company emphasizes clear communication and customized solutions tailored to each home.

United Plumbing & Water Heaters
3314 Victor Ct, Santa Clara, CA 95054
United Plumbing & Water Heaters provides a wide range of plumbing services in San Jose, CA, serving both residential and commercial clients. Their expertise includes water heater installation and repair, sewer camera inspections, drain cleaning, leak detection, and trenchless sewer line repair. The company uses advanced technology such as video inspection cameras and hydro jetting to address plumbing issues efficiently. They emphasize local knowledge and customer satisfaction in their service approach.
Common Toilet Problems in San Jose Homes
San Jose residents often encounter a few recurring toilet troubles. Identifying the symptom is the first step toward a solution.
- Running or Leaking Toilets: This is frequently the most common complaint. A toilet that runs continuously or has a subtle leak inside the tank is often caused by worn-out internal components like the flapper, fill valve, or overflow tube 1. These parts are relatively inexpensive but are crucial for stopping water waste.
- Clogs and Blockages: While a plunger can handle minor clogs, recurring or severe blockages may indicate a deeper problem in the toilet's trap or the drain line. Professional drain cleaning methods, such as hydro-jetting, are sometimes necessary to fully clear the obstruction 2.
- Weak Flush or Incomplete Flushing: If your toilet requires multiple flushes or seems to lack power, the issue typically lies with the flush valve or the water level in the tank. This not only frustrates but also reduces the fixture's efficiency 3.
- Leaks at the Toilet Base: Water pooling around the base of your toilet is a clear sign of a failed wax ring seal. This seal sits between the toilet flange and the base of the toilet, preventing sewer gases and water from escaping. A leaking wax ring requires prompt attention to prevent water damage to your bathroom subfloor 4.
Repair vs. Replacement: Making the Right Choice
When your toilet acts up, the decision to repair or replace it depends on several factors, including the toilet's age, the nature of the problem, and your long-term goals for water efficiency.
When Repair is the Best Option: Opt for toilet fixing services when the issue is isolated to a specific, repairable part and the toilet itself is in otherwise good condition. If your toilet is less than 20 years old, has no cracks in the porcelain, and the problem is a faulty flapper or fill valve, a repair is typically the most cost-effective and sensible path forward 5. A professional can quickly swap out these parts with durable replacements, such as Fluidmaster components, restoring full function 6.
When Replacement is Advisable: Consider a full toilet installation in the following scenarios:
- Age: The toilet is over 20 years old. Older models use significantly more water per flush (often 3.5 to 7 gallons) compared to modern standards.
- Physical Damage: Visible cracks in the porcelain of the tank or bowl. These cracks can lead to major leaks and are not repairable.
- Recurring Issues: You are constantly dealing with clogs, running water, or other repairs. This can be a sign of underlying design flaws or wear.
- Water Conservation: Upgrading to a new, high-efficiency model is an excellent way to reduce your household water consumption and lower your water bill. New units perform better while using less water 5.
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Understanding Toilet Repair Services
Professional toilet repair involves diagnosing the specific failure and replacing the necessary components. Here's what you can expect from common repair jobs in San Jose.
Internal Component Replacement: The workhorse parts inside your toilet tank-the flapper, fill valve, overflow tube, and flush valve-are all common failure points. A plumber will assess which part is causing the issue, such as a warped flapper that doesn't seal or a fill valve that doesn't shut off. They will then install a new, often more durable, part like a brass-shank fill valve or a silicone flapper designed for a longer lifespan 1 2. This type of repair is generally straightforward and addresses the majority of running toilet complaints.
Wax Ring Replacement: A leak at the base is a job that requires a bit more labor. The technician must carefully disconnect the water supply, remove the toilet from the floor, and scrape away the old, compromised wax ring. They will inspect the toilet flange for damage, then set a new wax ring (or a modern wax-free alternative) and reset the toilet, ensuring a watertight and secure seal 4 7. This repair is crucial for preventing structural water damage.
Unclogging and Drain Clearing: For tough clogs that defy a plunger, professionals use specialized tools like closet augers (designed for toilets) or more powerful drain snakes. If the clog is further down the line, they may employ hydro-jetting, which uses high-pressure water to scour the pipe walls clear of debris 3.
What's Involved in Toilet Replacement?
Installing a new toilet is a multi-step process that ensures your new fixture operates flawlessly for years. A standard toilet replacement service in San Jose typically includes:
- Removal and Disposal: The old toilet is disconnected, carefully removed, and properly disposed of.
- Surface Preparation: The technician cleans the existing flange and inspects it for cracks or damage that need repair before the new toilet can be set.
- New Seal Installation: A new wax ring or wax-free sealing gasket is placed on the flange to create the critical seal.
- Toilet Setting: The new toilet is carefully lowered onto the flange, aligning the bolts, and is leveled and secured to the floor.
- Reconnection: The water supply line is reconnected, and the tank is filled. All connections are checked for leaks.
- Testing and Clean-up: The toilet is flushed multiple times to ensure proper operation and seal integrity. The area is then cleaned up.
Choosing a new toilet opens up options for improved performance and style, including low-flow models that use only 1.28 gallons per flush (GPF) or dual-flush models that offer a choice of flush volumes 8 3.
Cost Considerations for San Jose Homeowners
The cost for toilet services in San Jose reflects both the high quality of labor and the general cost of living in the area. Labor rates for skilled plumbers typically range from $100 to $230 per hour 9. Here's a general breakdown of what you might expect:
- Simple Toilet Repair: Replacing a flapper or fill valve assembly generally ranges from $100 to $200, depending on the specific part and the service call 1 10.
- Moderate Repair (Wax Ring): Resealing a toilet by replacing the wax ring is a more involved repair, often costing between $150 and $300+ 4.
- Full Toilet Replacement: The total cost for a new toilet installation, including the price of a mid-range toilet and labor, commonly falls between $400 and $900+ 6 11. The final price depends heavily on the toilet model you select.
- Major Clog Clearing: Resolving a significant blockage with advanced tools like a drain snake or hydro-jetting can cost $300 to $600 or more, especially if it requires accessing a main line 2.
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
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Toilet Repair & Replacement Near Me in San Jose - Rooter Solutions - https://www.rootersolutionssj.com/residential-plumbing/toilet-repair-and-replacement.html ↩ ↩2 ↩3
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Toilet Repair & Replacement Services San Jose, CA - https://cpiservice.com/toilet-repair-installation-san-jose/ ↩ ↩2 ↩3
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Cost to repair toilet in San Jose, CA - Handoff AI Estimating - https://www.handoff.ai/construction-costs/repair-toilet/san-jose-ca ↩ ↩2 ↩3
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Toilets San Jose CA | Plumbtree Plumbing & Rooter - https://plumbtreeplumbing.com/toilet-repair-san-jose-ca/ ↩ ↩2
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San Jose Toilet Repairs & Installation Services - https://www.mcplumbing.com/plumbing/toilets/ ↩ ↩2
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How much does toilet repair cost in 2024? - Yelp - https://www.yelp.com/costs/toilet_repair ↩
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Our Pricing | CMS Plumbing in San Jose - https://www.cmsplumbers.com/about-us/pricing/ ↩
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What Do Most Plumbers Charge Per Hour in San Jose, CA? - https://gladiatorrepipe.com/what-do-most-plumbers-charge-per-hour-in-san-jose-ca/ ↩
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Toilet Repair Cost (2026) | Average Prices and ... - Modernize - https://modernize.com/plumbing/toilet-repair-cost ↩
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How much does toilet installation cost in 2024? - Yelp - https://www.yelp.com/costs/toilet_installation ↩