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Best Toilet Repair & Replacement Contractors in California Ranked
A functioning toilet is essential for any California home. When issues arise-from a persistent leak to a complete breakdown-knowing your options for repair or replacement is key to restoring comfort and preventing water waste. This guide covers common toilet problems in the state, practical solutions, and cost considerations to help you make an informed decision and connect with qualified local professionals for the job.

All City Plumbing, Air & Electrical
5612 E La Palma Ave, Anaheim, CA 92807
All City Plumbing, Air & Electrical is a full-service plumbing, HVAC, and electrical provider located in Anaheim, CA. They offer a wide range of services including water heater repair and installation, drain cleaning, hydro jetting, sewer line repair, leak detection, repiping, and toilet repair. Their team is licensed, bonded, and insured, with technicians who are ACE Certified and available 24/7 for emergency plumbing and HVAC needs. With over 13 years of experience serving Anaheim and surrounding areas, they use advanced technology to ensure efficient and reliable service.

Dymek's Freedom Plumbing, Inc
2921 E Miraloma Ave #17, Anaheim, CA 92806
Dymek's Freedom Plumbing, Inc is a plumbing service provider based in Anaheim, CA, offering a wide range of residential and commercial plumbing solutions. Their services include sewer camera inspections, water heater installation and repair, drain cleaning, hydro jetting, trenchless sewer repair, leak detection, repiping, and garbage disposal repairs. They utilize advanced technology such as electronic slab leak detection and sewer video inspection to diagnose and address plumbing issues efficiently. With over 25 years of experience, the company emphasizes old-fashioned values combined with modern technology and is available 24/7 for emergency plumbing needs.

The Plumbing Pros
1973 Frensham Dr, Roseville, CA 95661
The Plumbing Pros is a family-owned plumbing company based in Sacramento, CA, offering a range of services including water heater repair, installation, drain cleaning, leak detection, toilet repair, and garbage disposal repair. They serve Roseville and surrounding areas with experienced, licensed plumbers who handle various plumbing needs such as pipe repairs, fixture replacements, and secondary drain clogs. The company emphasizes direct owner involvement and transparent pricing, with a fully stocked van to support efficient service calls. With over 60 years of combined plumbing experience, The Plumbing Pros focus on local community service without franchise overhead.

Advanced Plumbing & Drain
3450 Sacramento St #204, San Francisco, CA 94118
Advanced Plumbing & Drain is a locally owned plumbing company serving San Francisco, CA. They provide a range of plumbing services for both residential and commercial clients, including water heater repair, drain cleaning, leak detection, toilet repair, and garbage disposal repair. The company is equipped to handle general plumbing repairs and emergency plumbing needs. Their plumbers are available 24/7 to address issues such as clogged drains, leaking faucets, and broken fixtures, ensuring timely assistance for all plumbing concerns.

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.
Common Toilet Problems in California Homes
Residential toilets in California frequently encounter a few specific issues. The most common complaints involve running, leaking, or clogged toilets 1. Understanding the root cause is the first step toward a fix.
- Running Toilet: This constant, wasteful flow is often caused by a worn-out flapper that no longer seals or a faulty fill valve that doesn't shut off properly 1 2.
- Leaking at the Base: Water pooling around the toilet's base typically signals a failed wax ring seal between the toilet and the floor drain (closet flange) 1 3.
- Frequent Clogs: While often due to excessive toilet paper or non-flushable items, recurring clogs can also indicate a deeper blockage in the drain line or an older, less efficient toilet design 1 4.
- Weak Flush or Slow Fill: This can stem from a clogged supply line, a malfunctioning fill valve, or low water pressure 2.
- Loose or Wobbly Toilet: If the toilet rocks on the floor, the bolts may be loose, or the wax seal and flange underneath may be compromised 3.
DIY Toilet Repair: What You Can Handle
Many simple toilet repairs are well within the capability of a handy homeowner. Tackling these yourself can save on service call fees.
Basic Repairs and Parts: Common fixes like replacing a flapper, fill valve, or handle are DIY-friendly. The parts are inexpensive, typically ranging from $5 to $30, and are universally available at hardware stores like Lowe's or Home Depot 1 5 6. Essential tools include a plunger, adjustable wrenches, a bucket, and a sponge.
Step-by-Step for Common Issues:
- Fixing a Running Toilet: Turn off the water supply valve, flush to drain the tank, and inspect the flapper. If it's warped or cracked, replace it. If the water continues to run, the issue is likely the fill valve assembly, which can be adjusted or replaced 1 7 2.
- Clearing a Clog: Always start with a plunger. For tougher clogs, a toilet auger (or closet snake) is the next tool to use, as it can reach deeper into the trap without scratching the porcelain 8.
- Replacing a Wax Ring: This is a more advanced DIY project. It involves turning off the water, disconnecting the supply line, draining the toilet, unbolting it from the floor, carefully lifting it off, and scraping off the old wax ring before setting a new one and resetting the toilet 1 7.
Cost of DIY: The cost for a DIY repair is primarily for parts, ranging from as little as $10 for a flapper kit to over $100 if you need to purchase specialized tools or a new toilet flange 1 5.
When to Call a Professional Plumber
While some repairs are simple, others carry risks of water damage or improper installation that can lead to bigger problems. Professional help is recommended for:
- Wax Ring or Flange Replacement: If you're not comfortable lifting the heavy toilet or if the subfloor or closet flange is damaged, a plumber ensures a proper, leak-free seal 1 7.
- Persistent Leaks or Running Water: If a simple parts swap doesn't solve the issue, the problem may be more complex, like a crack in the tank or bowl.
- Replacement of the Entire Toilet: This involves heavy lifting, proper disposal of the old unit, and ensuring new connections are leak-free and up to code.
- Any Issue Involving Sewer Lines: Recurring clogs that a snake can't fix may indicate a blockage deeper in your home's main drain, requiring professional equipment.
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Cost of Professional Toilet Repair and Replacement in California
Professional service costs vary based on the job's complexity, the plumber's rates, and your location within the state.
- Standard Repairs: Fixing a running or leaking toilet typically costs between $125 and $400+ when done by a professional 1 7. This includes labor and standard parts.
- Wax Ring/Flange Repair: This more involved repair generally ranges from $150 to $400 for professional service, including labor and materials 1 7 8.
- New Toilet Installation: The total cost for replacing an old toilet with a new one, including the price of the toilet itself, labor, and disposal, typically falls between $400 and $800+ 1 9. High-end models or complex installations will be on the higher end.
Deciding Between Repair and Replacement
Sometimes, replacement is more cost-effective and sensible than repeated repairs. Consider replacing your toilet if:
- It's Old: Toilets older than 25 years are less efficient and more prone to problems 4 10.
- It's Cracked: Hairline cracks in the porcelain can lead to leaks and are not repairable.
- It Uses Excessive Water: Older models can use 3.5 to 7 gallons per flush. Modern WaterSense-labeled high-efficiency toilets (HETs) use 1.28 gallons or less, offering significant water savings 4 11.
- It Requires Frequent Repairs: If you're constantly fixing clogs, leaks, or flush mechanisms, investing in a new, reliable model may save money and hassle in the long run 4 11.
Upgrading to a high-efficiency toilet is not only a practical choice for performance but also an environmentally conscious one, helping California conserve vital water resources.
Choosing a New Toilet
If replacement is the right path, you have several options:
- One-Piece vs. Two-Piece: One-piece toilets are sleeker and easier to clean but often more expensive. Two-piece models are standard and cost-effective.
- Elongated vs. Round Bowl: Elongated bowls offer more comfort, while round bowls save space in smaller bathrooms.
- Flushing Technology: Look for pressure-assisted or gravity-fed, dual-flush models that are certified for high efficiency and performance.
A local plumbing professional can help you select the best model for your home, bathroom layout, and budget, and ensure it is installed correctly for optimal function.
Frequently asked questions
Sources
Footnotes
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Cost Factors for Toilet Repair vs Replacement - https://www.fastresponseplumbingsf.com/cost-factors-for-toilet-repair-vs-replacement/ ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7 ↩8 ↩9 ↩10 ↩11 ↩12
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Common Toilet Problems and How to Fix Them - Lowe's - https://www.lowes.com/n/how-to/common-toilet-problems ↩ ↩2 ↩3
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Toilet Replacement in Culver City, CA - Rooter Hero - https://www.rooterhero.com/south-bay/culver-city/toilet-installation-and-repair/ ↩ ↩2
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Toilet Repair vs Replacement Guide | George Salet Plumbing - https://www.plumbingpro.com/blog/fix-it-or-flush-it-when-to-replace-a-toilet-thats-failing/ ↩ ↩2 ↩3 ↩4
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How much does toilet repair cost in 2024? - Yelp - https://www.yelp.com/costs/toilet_repair ↩ ↩2
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Parts of a Toilet for DIY Plumbing | Lowe's - https://www.lowes.com/n/buying-guide/toilet-parts-and-accessories ↩
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How Much Does Toilet Repair Cost in 2026? | Angi - https://www.angi.com/articles/how-much-should-toilet-repairs-cost.htm ↩ ↩2 ↩3 ↩4 ↩5
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Toilet Repair Costs 2024: Find A Plumber For Fixing Toilets - https://www.superbrothers.com/toilet-repair-costs-2024-find-a-plumber-for-fixing-toilets/ ↩ ↩2
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Top New Toilet Installation & Replacement Costs [2024] - https://www.pureplumbing.company/new-toilet-installation/ ↩
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The Average Cost of Toilet Repair in Orange County - https://www.scottenglishplumbing.net/blog/the-average-cost-of-toilet-repair-in-orange-county ↩
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Toilet Installation, Repair, And Replacement In Paramount, CA - https://www.serplumbinginc.com/toilet-installation-repair-replacement ↩ ↩2