Sink Repair in Ontario, CA
If your sink is causing trouble in your Ontario, CA home, FKM Plumbing offers quick and reliable repair service.
- Transparent Pricing
- Parts Carried on Every Truck
- Friendly, Local Plumbers
- Honest Pricing
Trusted Sink Repair Solutions for Homes in Ontario, CA.
Our skilled technicians are ready to handle any sink problem you're facing, delivering lasting results.
Your First Call for Sink Repair in Ontario, CA
FKM Plumbing repairs the parts of a bathroom sink that really fail: P-traps, slip-joint washers, pop-up drain assemblies, braided supply lines and the mounting that holds the basin in place. We find the source of the water on the cabinet floor instead of just tightening a nut and hoping. Most repairs in Ontario are finished in under two hours.
Our expertise includes:
- Rebuild or swap pop-up stoppers and clogged overflow channels
- Reset loose undermount and vessel basins with new sealant
- Repairing leaky faucets and drains.

Additional Bathroom Plumbing Services in Ontario, CA
From toilets to showers, our bathroom plumbing team in Ontario, CA repairs, installs, and replaces every fixture with clean, code-compliant work.

Customers
Why Choose FKM Plumbing for Sink Repair in Ontario, CA?
A small sink leak soaks particleboard vanities quickly and can hide mold behind the back panel. We fix the cause, test under pressure and leave the cabinet dry.
- Quality Parts, We use durable, high-quality replacement parts for all repairs, ensuring reliability and longevity for your sink.
- Lasting Solutions, We don't just patch problems; we find the root cause to deliver a durable repair.
- Local Knowledge, We are familiar with common plumbing issues in Ontario, including those related to local water quality and building codes.
Citywide Coverage
FKM Plumbing serves every neighborhood in Ontario, ensuring that no matter where you are located, expert sink repair is just a call away. We understand that plumbing problems don't wait, so our local teams are always ready to respond promptly.
Experienced Team
Every technician is trained on both old and new sink plumbing, from brass slip joints to modern quarter-turn stops. That range matters since one street can have homes built decades apart.
Safety-First Approach
At FKM Plumbing, safety is a priority in every sink repair we undertake in Ontario. We adhere strictly to all local plumbing codes and safety standards to protect your home and ensure the integrity of your plumbing system.
Trusted Certified Ontario Plumbing Services Professionals
At FKM Plumbing, we take pride in providing licensed, certified plumbing services throughout Ontario, CA. Backed by recognized industry credentials, our experienced plumbers combine technical skill with genuine customer care. Whether it is repair, installation, or maintenance, we follow strict safety and quality standards to deliver lasting results you can trust.
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PHCC Plumbing Contractor Recognition
Better Business Bureau (BBB) Accreditation
Angi Certified Pro
ISO 9001 Quality Management CertificationDependable Sink Repair Services in Ontario, CA
Garbage Disposal Repair in Ontario
If your garbage disposal is jammed, humming but not grinding, or leaking, it needs professional attention. Our team in Ontario can troubleshoot and repair issues with all types of disposals, from brands like InSinkErator and Waste King. We can free jams, replace worn impellers, or fix electrical connections to get your disposal working safely again.

Emergency Sink Repair in Ontario, CA
A burst pipe under the sink or a major leak requires immediate attention to prevent water damage to your Ontario home. FKM Plumbing offers emergency sink repair services for urgent situations. Our rapid response team is available to address critical sink issues fast and effectively, minimizing damage and restoring peace of mind in Southern California.
Pop-Up Drain and Stopper Repair in Ontario, CA
When the stopper will not close, will not open or lets water slowly escape, the pop-up linkage is typically to blame. The pivot rod nut can leak, the clevis strap can slip, and hair wraps around the stopper body. We clean or replace the assembly and adjust it so the lift rod works smoothly. If the drain body itself is corroded, we replace it with a matching finish.
Loose or Cracked Basin Repair in Ontario
Undermount sinks are held by clips and epoxy that can let go, leaving a gap and a leak along the counter. Vessel sinks can rock on a worn mounting ring, and older porcelain basins can crack around the drain. We reattach, reseal or replace the basin as needed and recaulk with a mildew-resistant silicone. We will tell you plainly when a crack means replacement is the better value.
Commercial Sink Repair in Ontario
Businesses in Ontario rely on working sinks for hygiene and operations. Whether it's a restaurant kitchen, a salon, or an office breakroom, a broken sink can halt productivity. We offer prompt and efficient commercial sink repair services, understanding the urgency of getting your business back to full operation with minimal disruption. We handle heavy-duty commercial fixtures and complex plumbing systems.
Leaky Sink Faucet Repair in Ontario
A constant drip from your sink faucet can waste gallons of water and lead to higher utility bills. Our technicians in Ontario specialize in diagnosing and repairing leaky faucets, often involving replacing worn-out washers, O-rings, or cartridges. We work with all major brands like Moen, Delta, Kohler, and American Standard, ensuring a precise fit and lasting seal to stop those nagging drips.
Slow Drain and Clog Clearing in Ontario
Bathroom sinks clog with hair, soap scum and toothpaste mixed with mineral scale. We pull the stopper, clean the overflow channel, and clear the trap and branch line with a hand auger instead of harsh chemicals. If the clog sits past the wall, we check whether a shared line with the tub or shower is the actual problem. You end up with a sink that drains at full speed.

Clogged Sink Drain Repair in Ontario, CA
A slow or fully blocked sink drain is a common nuisance in Ontario homes. This can be caused by grease, food particles, hair, or even mineral buildup from hard water. Our plumbers use professional tools like augers and hydro-jetting equipment to safely and effectively clear even the toughest clogs, restoring proper drainage to your kitchen or bathroom sink in Southern California.
Trusted Sink Repair Near Me in Ontario, CA
When you search for sink repair near me, you want a plumber who shows up on time and fixes it once. Our trucks are already working in Ontario most days, so response times stay short. We call ahead with an arrival window and stick to it.
Local plumbers understand local water. Around Ontario, flushing the water heater yearly and cleaning aerators keeps mineral buildup from cutting flow and efficiency. We know which parts scale up first and which brands hold up best, and that knowledge keeps your repair from turning into a return visit.
FKM Plumbing at a Glance
- Fully licensed plumbing team covering Ontario, CA
- Same-day appointments and 24/7 emergency response
- Clear written estimates, no hidden fees
- 4.8-star rated by 754+ Southern California customers
Ontario Map
Ontario Information
- Population
- 182,457
- Area codes
- 909/951/626
- Service area
- Ontario and communities within 40 miles
- Nearby
- Chino, Eastvale, Upland, Rancho Cucamonga
For homes in Ontario, CA, good sink maintenance and timely repairs are crucial, especially with mineral buildup and the potential for tree root intrusion into older drain lines, which can lead to frequent clogs.
Expert Services
Trust our professionals for reliable FKM Plumbing solutions in Ontario, CA.
Our Specialized Plumbing Services in Ontario, CA
At FKM Plumbing, we provide a complete range of plumbing services across Ontario, CA. From leak detection to full system installations, our team ensures fast, precise, and affordable service for both residential and commercial properties. Explore our core services below:
How Our Sink Repair Service Works in Ontario, CA
Our systematic approach to sink repair ensures that every step is handled professionally, from your initial call to the completion of the repair in your Ontario, CA home.
Request a Quote
Start by calling us at (213) 871-0701 or filling out our online form to describe your sink issue. We'll schedule a convenient time for a professional assessment.
Diagnosis & Estimate
Our experienced plumber will arrive at your Ontario home to thoroughly inspect your sink, diagnose the problem, and provide a clear, upfront estimate for the repair.
Expert Repair
Once you approve the estimate, we'll proceed with the repair using quality tools and parts. We work efficiently to restore your sink's function with minimal disruption.
Frequently Asked Questions About Sink Repair in Ontario
The cost of sink repair in Ontario usually ranges from $150 to $400, depending on the complexity of the issue. Simple fixes like clearing a minor clog might be on the lower end, while repairing a complex leak or replacing a faulty garbage disposal could be higher. We provide transparent, upfront pricing after diagnosing the problem.
The most common causes are a loose or cracked P-trap, a failing supply line, or a leaking pop-up pivot nut. Less often it is the faucet body or the drain flange seal. We test each point to find the real source.
Yes, our technicians are experienced in repairing all major sink and faucet brands, including Kohler, Moen, Delta, American Standard, Pfister, and more. We carry a broad range of universal and brand-specific parts to deliver a proper and lasting repair for your specific fixture.
While minor clogs or simple aerator replacements can sometimes be DIY, more complex issues like persistent leaks, deep clogs, or issues with supply lines are best handled by a professional. Incorrect DIY repairs can lead to greater damage, water leaks, and costly fixes down the line.
Most minor sink repairs, like fixing a leaky faucet or clearing a simple clog, do not need a permit in Ontario. However, if the repair involves significant alterations to the plumbing system, relocating a sink, or replacing major drain lines, a plumbing permit may be necessary. We will advise you if a permit is required for your specific repair.
While minor clogs or replacing an aerator can sometimes be a DIY project, most sink repairs, especially those involving leaks, disposal issues, or complex clogs, are best left to a professional. Improper repairs can lead to greater damage, water leaks, or code violations in Southern California homes.
Absolutely. Even a small, persistent leak under a sink can lead to significant water damage over time, affecting cabinetry, flooring, and even fostering mold growth. A burst pipe or a major overflow can cause immediate and extensive damage, which shows the importance of timely repair in your Ontario home.
To prevent future sink issues, avoid pouring grease down drains, use drain strainers to catch food particles and hair, and run hot water for a minute after using your sink to help clear residue. Regular plumbing inspections can also catch small problems before they turn into major repairs.
What People Are Saying About Our Plumbing Experts?

Laura S.
I scheduled a water heater replacement, and the team made the process smooth and affordable. The new unit works perfectly, and they cleaned up after completing the job.
Water Heater Replacement · Chino, CA
Patricia H.
We had a slab leak that two other companies could not find. FKM Plumbing located it in under an hour, explained our options, and the price matched the quote to the dollar.
Slab Leak Repair · Ontario, CA
Daniel K.
A pipe burst at 11 pm and they actually answered. The plumber showed up within the hour, shut everything down, and had us back to normal the next morning. Could not ask for more.
Emergency Plumbing · Chino, CA
Mark T.
When our office needed drain cleaning, FKM Plumbing provided quick, reliable service. The plumber arrived on time and made sure every drain flowed perfectly before leaving. Very satisfied.
Drain Cleaning · Chino, CA
Sofia M.
Two new toilets installed in one visit, no mess left behind, and the tech even adjusted a faucet he noticed was dripping. Fair pricing and really friendly.
Toilet Installation · Chino, CA
James P.
Our commercial plumbing system had a leak under the sink, and FKM Plumbing handled it professionally. The plumbers arrived quickly and restored everything without disruption to our customers.
Commercial Plumbing · Jurupa Valley, CA













