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Top Toilet Repair & Replacement Contractors in Honolulu, Hawaii Ranked
A functioning toilet is essential for any home or business, and when issues arise, they demand prompt and professional attention. Toilet repair and replacement services address everything from minor leaks and persistent clogs to complete fixture upgrades, ensuring your plumbing system operates efficiently and hygienically. For Honolulu residents, finding a skilled local professional is key to resolving these common household problems quickly and effectively. This guide will help you understand the typical issues, repair processes, and what to look for when seeking service in your area.

Oahu Jetting and Drains LLC
91-1663 Kaukolu St, Ewa Beach, HI 96706
Oahu Jetting and Drains LLC is a full-service plumbing company based in Honolulu, HI, serving both residential and commercial clients on Oahu. They specialize in drain cleaning and hydro jetting to address various clogging issues. Their services also include toilet repairs, valve replacements, garbage disposal installation and repair, leak detection, and other common plumbing maintenance tasks. The company offers emergency service and focuses on providing effective plumbing solutions to keep systems running smoothly.

A-1 Budget Plumbing
honolulu
A-1 Budget Plumbing is a plumbing service provider based in Honolulu, HI, offering leak detection and toilet repair among other plumbing services. The company serves residential customers and provides fast, 24-hour emergency plumbing services. With over 50 years of experience, A-1 Budget Plumbing employs licensed and insured technicians who handle a range of plumbing issues efficiently. They are known for clear communication and reliable scheduling, often notifying customers before arrival to accommodate their schedules.

Roto-Rooter Plumbing & Water Cleanup
2106 Lauwiliwili St Ste 101j, Kapolei, HI 96707
Roto-Rooter Plumbing & Water Cleanup offers comprehensive residential and commercial plumbing services in Honolulu, HI. Their experienced team handles a wide range of plumbing needs, including sewer line inspections and repairs, water heater installation and repair, drain cleaning, leak detection, and gas line installation. They specialize in trenchless sewer repair and provide emergency plumbing services available 24/7 throughout the year. With expertise in floodwater cleanup and mold remediation, Roto-Rooter is equipped to manage urgent water damage situations efficiently. Serving Kapolei and surrounding communities, they combine local knowledge with advanced tools like hydro jetting to address plumbing challenges effectively.

535 Plumbing LLC
1130 N Nimitz Hwy Suite B-180, Honolulu, HI 96817
535 Plumbing LLC is a family-owned plumbing company based in Honolulu, HI, serving residential, commercial, and new construction clients. Founded in 2015 by Shane Mizusawa, the company offers a wide range of services including water heater installation and repair, drain cleaning, sewer line repair, trenchless sewer repair, leak detection, repiping, and hydro jetting. They use advanced technology such as sewer camera inspections and pipe relining to diagnose and solve plumbing issues efficiently. 535 Plumbing is available every day, including holidays, and accommodates after-hours service requests to meet diverse scheduling needs.

P & S Plumbing Honolulu
1714 Homerule St #1, Honolulu, HI 96819
P & S Plumbing Honolulu is a plumbing service provider based in Honolulu, HI, specializing in leak detection and toilet repair. They offer responsive plumbing repairs, including emergency leak detection and resolution, with a focus on thorough inspection and careful handling of homes. The team is known for addressing plumbing issues promptly, including after-hours emergencies, ensuring problems are diagnosed and fixed efficiently. Customers have noted their professionalism and clear communication throughout the repair process.
Common Toilet Problems in Honolulu Homes
Toilets are durable fixtures, but they are not immune to wear and tear. Understanding the signs of trouble can help you address issues before they escalate into costly water damage or major repairs. The humid climate and specific water conditions in Honolulu can sometimes accelerate the deterioration of certain components.
- Persistent Clogs: While a plunger can handle minor blockages, stubborn clogs often require professional tools. These can be caused by non-flushable items, mineral buildup from hard water, or issues deeper in the drain line 1 2.
- Running Water: A toilet that continues to run after flushing is one of the most common-and wasteful-problems. This is typically caused by a worn flapper that doesn't seal properly, a malfunctioning fill valve (also called a ballcock), or an improperly adjusted float or chain 1 3 4.
- Leaks at the Base: Water pooling around the base of your toilet is a serious concern. This usually indicates a failed wax ring seal or a cracked toilet flange, which is the pipe fitting that connects the toilet to the drain in the floor. This can lead to water damage on subfloors and ceilings below 1 2 4.
- Weak Flush or Low Water Level: If your toilet doesn't flush with its usual power or the bowl water level is consistently low, the issue may lie with the fill tube, the float height, or the fill valve itself 3 4.
- A Wobbly Toilet: A toilet that rocks or feels unstable is more than just an annoyance. It often signals that the closet bolts are loose or, more critically, that the toilet flange underneath is damaged or broken, compromising the seal 2 4.
Professional Repair Methods and Solutions
When you call a professional for toilet service, they will diagnose the issue and apply the correct solution. The approach varies significantly depending on whether a simple component needs adjustment or a full replacement is necessary.
Standard Toilet Repairs
Most repairs involve internal tank components or the sealing system. A skilled plumber can typically complete these jobs efficiently.
- Fixing Clogs: For tough blockages, professionals use a toilet auger (or closet snake) to break up or retrieve the obstruction. In severe cases where the clog is further down the line, more advanced methods like hydrojetting may be required 1 2.
- Stopping a Running Toilet: The repair usually involves adjusting or replacing the flapper, fill valve, or float assembly. Replacing a worn rubber flapper or an old fill valve are common, straightforward fixes that restore proper operation and stop water waste 1 3 5.
- Sealing Base Leaks: Repairing a leak at the base requires removing the toilet from the floor. The plumber will then replace the wax ring seal and inspect the toilet flange. If the flange is cracked or damaged, it will need to be repaired or replaced before resetting the toilet with a new seal 1 5 2.
The Toilet Replacement Process
There are times when repair is not cost-effective, or you simply want to upgrade to a newer, more efficient model. A full toilet installation is a more involved process.
- Removal: The old toilet is disconnected from the water supply, the tank is drained, and the unit is unbolted from the floor and carefully removed.
- Preparation: The old wax seal is scraped away, and the exposed drain opening is plugged to prevent sewer gases from entering. The flange is inspected and repaired if necessary.
- Installation: A new wax ring or alternative seal is placed on the flange. The new toilet is carefully lowered onto the bolts, leveled, and secured. The water supply line is reconnected, and the tank is filled.
- Testing: The plumber will check for leaks at the base and the supply connection and ensure the toilet flushes and refills correctly.
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Materials and Components for Toilet Service
The longevity of a repair or installation depends heavily on the quality of the parts used. Professionals typically use reliable, industry-standard components.
- Repair Parts: Common replacement items include rubber flappers, plastic or brass fill valves, float balls or cups, wax rings, and closet bolts 1 3 5.
- New Toilets: When selecting a new fixture, you have options. Two-piece toilets (separate tank and bowl) are the most common and affordable. One-piece toilets offer a sleeker look and are easier to clean. Water-efficient models, including low-flow and dual-flush toilets, are increasingly popular in Honolulu for their environmental benefits and potential cost savings on water bills 5 6.
Understanding Service Costs in Honolulu
Pricing for toilet repair and replacement in Honolulu can vary based on the complexity of the job, the parts required, and the service provider. The following are general estimates to help you budget; always request a detailed quote from your chosen plumber.
- Basic Internal Repairs: Fixing a running toilet by replacing a flapper or fill valve typically ranges from $100 to $200 for parts and labor 1 3 7.
- Clog Removal: Professional clearing of a stubborn clog can cost between $150 and $400, depending on the tools and time required 1 7.
- Wax Ring or Flange Repair: Resealing a leaking toilet base, which may include flange repair, is a more involved job, often costing $150 to $450 1 5 7.
- Toilet Replacement (Labor): The labor to remove your old toilet and install a new one generally falls between $150 and $450+. This price does not include the cost of the new toilet itself 1 5 8.
- New Toilet Unit: The price for a new toilet fixture varies widely, from around $100 for a basic model to several hundred dollars for high-efficiency, comfort-height, or designer one-piece units 5 8.
For the most accurate and current local pricing, it's best to contact Honolulu-based plumbing companies directly for a consultation and quote 1 3 6.
Choosing the Right Service for Your Needs
Whether you need a quick fix or a full upgrade, selecting a reliable professional is crucial. Look for licensed, insured plumbers with positive local reviews and clear communication. They should be able to explain the problem, present your options, and provide a transparent estimate before starting work. For older homes or complex issues like a damaged subfloor, an experienced plumber will identify all necessary steps to ensure a lasting solution.
Frequently asked questions
Sources
Footnotes
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Reliable Oahu Toilet Repair Service - All Aloha Plumbing - https://allalohaplumbing.com/oahu/toilet-repair/ ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7 ↩8 ↩9 ↩10 ↩11 ↩12
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Toilet repair and installation - P & S Plumbing - https://www.psplumbinghawaii.com/toilet-repair-and-installation/ ↩ ↩2 ↩3 ↩4 ↩5
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Toilet Repair and Installation Oahu | Plumbing Services - https://535plumbing.com/plumbing-services-oahu/toilet-installation-and-repair/ ↩ ↩2 ↩3 ↩4 ↩5 ↩6
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Fast, Reliable Honolulu Plumbing Services - https://www.allensplumbinghi.com/honolulu-plumber/ ↩ ↩2 ↩3 ↩4
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Reliable Toilet Installation in Oahu - All Aloha Plumbing - https://allalohaplumbing.com/oahu/toilet-replacement/ ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7
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Plumbing Fixture Installation Honolulu, HI | Call Us Now! - https://www.shorelineplumbing808.com/services/plumbing-fixture-installation/ ↩ ↩2
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Toilet Repair Cost (2026) | Average Prices and Common Repairs - https://modernize.com/plumbing/toilet-repair-cost ↩ ↩2 ↩3
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How Much Does it Cost to Replace a Toilet in 2026? - Block Renovation - https://www.blockrenovation.com/guides/cost/how-much-does-it-really-cost-to-replace-a-toilet ↩ ↩2