Foundation Leak Repair in Ontario, CA
Don't let foundation leaks undermine your Ontario, CA property. Our trained technicians offer accurate and lasting repair solutions.
- Skilled Slab Repair
- Licensed & Insured
- Fast Leak Detection
- Expert Foundation Repair
Plumbing Leak Under Your Foundation? Get It Fixed in Ontario, CA.
Call FKM Plumbing today for a thorough inspection and lasting repair solution.
Foundation Leak Repair in Ontario, CA That Protects Your Home
FKM Plumbing specializes in detecting and repairing foundation leaks, also known as slab leaks, that threaten homes across Southern California. Our team uses specialized tools and techniques to pinpoint the exact location of leaks beneath your concrete slab, preventing further damage to your property in Ontario.
Our expertise includes:
- Accurate leak detection technology
- Durable epoxy and hydraulic cement repairs
- Pinpointing hidden leaks under concrete slabs.

Additional Plumbing Repair Services in Ontario, CA
We offer expert plumbing repair services across Ontario, CA to fix leaks, restore flow, and keep your system running smoothly.

Customers
Why Choose FKM Plumbing for Foundation Leak Repair in Ontario, CA?
Choosing FKM Plumbing means you are selecting a team dedicated to the long-term health of your home's foundation. Hot inland summers push water heaters and outdoor plumbing hard, while coastal salt air can corrode exposed metal fittings. Our methods are proven to hold up through wet seasons and dry spells that can stress foundations.
- Structure Aware, We watch for soil and slab damage and refer you to a structural engineer when necessary.
- Licensed Plumbers, All our technicians are licensed and trained to meet Southern California plumbing codes for your safety and peace of mind.
- Lasting Solutions, Our repairs involve durable materials such as waterproof sealants, epoxy injections, and concrete patching compounds designed to hold up in varying soil conditions.
Citywide Coverage
From downtown to the surrounding neighborhoods, our team covers all areas of Ontario for foundation leak repair. We are focused on providing prompt and reliable service across the entire community.
Experienced Team
Each FKM Plumbing technician is skilled in foundation leak repair and can accurately diagnose and fix even complicated slab issues. Their expertise means a reliable and safe repair for your property.
Safety-First Approach
For every foundation leak repair, FKM Plumbing prioritizes safety and compliance with all Southern California plumbing standards. Our methods are designed to limit disruption while making sure the repair is robust and meets all regulatory requirements.
Trusted Certified Ontario Plumbing Services Professionals
At FKM Plumbing, we take pride in providing certified plumbing services throughout Ontario, CA. Backed by leading 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 CertificationProfessional Foundation Leak Repair Services in Ontario, CA
Exterior Foundation Leak Solutions in Ontario
Many foundation leaks start from exterior factors like poor drainage, overflowing gutters, or saturated soil. We inspect your home's exterior to identify these culprits. Our solutions include grading adjustments, French drain installation, and downspout extensions to move water away from your foundation. Proper exterior water management is key for preventing hydrostatic pressure buildup against your foundation walls in Ontario and keeping water out.

Slab Leak Detection and Repair in Ontario
Slab leaks are common in homes built on concrete foundations, often caused by shifting soil or corroded pipes underneath. Our technicians use low-impact methods like electronic leak detection and hydrostatic pressure testing to find these elusive leaks. Once located, we can perform targeted repairs, either by slab tunneling or direct access, limiting disruption to your home. We work with many pipe materials, including copper, PEX, and PVC, ensuring a durable repair for your Ontario property.
Foundation Leak Repair Cost Comparison in Ontario, CA
Direct repairs are often the lowest upfront cost but involve breaking concrete and may need flooring repairs. Reroutes cost somewhat more but avoid concrete work and future leaks in the abandoned line. A full repipe is the most comprehensive option for homes with multiple leaks or aging pipe. We help you compare total costs, including flooring and drywall repairs.
Crawl Space Foundation Leak Repair in Ontario, CA
Crawl space foundations can develop leaks from plumbing, groundwater, or HVAC condensation. These leaks can lead to wood rot, mold, and structural damage if not handled quickly. Our team thoroughly inspects the crawl space and identifies the source of water intrusion. We then implement solutions such as pipe repair, sump pump installation, or vapor barrier replacement to dry out and protect your crawl space in Ontario, CA from future moisture issues.
Commercial Foundation Leak Services in Ontario
Businesses in Ontario also face the risk of foundation leaks, which can disrupt operations and lead to costly property damage. FKM Plumbing offers dedicated commercial foundation leak repair services and understands the need for minimal downtime. Our team can work around your business hours to conduct leak detection and repairs, making sure your commercial plumbing system is restored promptly and reliably.
Advanced Leak Detection Technology in Ontario, CA
The ability to accurately locate a foundation leak is crucial for an effective repair. FKM Plumbing invests in modern leak detection technology, including high-frequency listening devices and specialized camera inspections, to pinpoint leaks with precision. This technology lets us identify the exact location of the break, whether it's a small pinhole or a major burst, cutting down on invasive searching and repair costs for our Ontario, CA customers.
Emergency Foundation Leak Repair in Ontario
A sudden, severe foundation leak can cause rapid damage and needs immediate attention. FKM Plumbing offers emergency foundation leak repair services in Ontario to handle critical situations. Whether it is a burst pipe under the slab or a large wall crack, our rapid response team is equipped to limit damage, stop the leak, and perform necessary repairs quickly and efficiently. Don't wait to call us for urgent leak issues.

Tunneling for Foundation Leaks in Ontario, CA
In some cases, the best way to repair a foundation leak is by tunneling beneath the slab. This method allows our plumbers to reach the damaged pipe directly without breaking through your home's interior flooring. FKM Plumbing is experienced in safe and efficient tunneling, minimizing disruption to your Ontario, CA home and ensuring a complete repair of the damaged pipe section.
Foundation Leak Repair Near Me in Ontario, CA
If you're searching for 'foundation leak repair near me' in Ontario, CA, look no further than FKM Plumbing. We are your local experts, very familiar with the plumbing systems and common issues found in homes across our community. Our location means faster response times and a team ready to tackle your leak with efficiency and expertise.
When you search for "foundation leak repair near me" in Ontario, CA, FKM Plumbing is your local expert. We are very familiar with the plumbing and foundation challenges common to homes in our service area. Our quick response times and local knowledge mean we can get to your property quickly to assess and address any foundation leak.
FKM Plumbing at a Glance
- Licensed and insured plumbers serving 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
Earthquakes are a constant consideration in Southern California, and seismic straps and flexible connectors help keep water and gas lines intact during shaking. That is why foundation leaks are a real concern in Ontario, CA, and they can lead to costly structural damage if ignored.
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 Foundation Leak Repair Process Works in Ontario, CA
FKM Plumbing follows a clear, systematic approach so every foundation leak repair in Ontario, CA is handled professionally and effectively.
Request a Quote
Call (213) 871-0701 and describe what you are noticing, such as warm floors, cracks or a moving water meter. We schedule leak detection promptly.
Detect and Plan
We pressure test and locate the leak, then review direct repair and reroute options. You get a written price for each.
Repair and Verify
We complete the chosen repair and pressure test the line. Concrete is patched or walls are closed, and we confirm the leak is stopped.
Frequently Asked Questions About Foundation Leak Repair in Ontario
Leak detection usually costs $150 to $450. Direct repairs through concrete usually range from $1,500 to $4,000, and reroutes often run $1,800 to $5,000 depending on length and access. Full repipes cost more and are quoted individually.
Yes, absolutely. Unaddressed foundation leaks can lead to serious structural damage over time. Water can erode supporting soil, cause wood rot in crawl spaces, corrode steel supports, and compromise the integrity of concrete. Early detection and repair are crucial to prevent costly structural issues.
While not always preventable, regular plumbing inspections can help identify potential weaknesses. Keeping soil moisture consistent around your foundation, fixing drainage issues, and ensuring proper pipe installation during new construction or remodels can help reduce the risk of future foundation leaks in your Ontario, CA home.
In most cases, significant plumbing repairs involving your foundation in Ontario, CA will require a permit so the work meets local building codes and safety standards. Plumbing work in Southern California follows the state plumbing code, which is based on the Uniform Plumbing Code with state amendments. FKM Plumbing handles all necessary permitting on your behalf, so your repair is compliant and approved.
We use trusted brands for our foundation leak repair materials, ensuring durability and effectiveness. This includes quality hydraulic cements from Quikrete, epoxy and polyurethane injection systems from Sika, and waterproofing membranes from Tremco. We choose products based on proven performance in the conditions we see here.
Common signs include sudden increases in your water bill, warm spots on the floor, the sound of running water when no fixtures are in use, visible cracks in the foundation or walls, and sudden drops in water pressure. Musty odors or visible moisture around the foundation in Ontario are also warning signs.
If you see large cracks, doors sticking or uneven floors, a structural engineer can assess the foundation. We stop the plumbing leak first so the soil can stabilize.
Many policies cover the cost of accessing the leak and repairing related damage, but not the pipe itself. We provide detailed documentation to help with claims.
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













