Slab Leak Repair in California’s Central Valley
Stop Slab Leaks Before They Damage Your Home
A slab leak occurs when pipes beneath your home’s foundation crack or burst, allowing water to seep into the concrete and surrounding soil. Left untreated, this can cause structural damage, mold growth, and costly repairs. Our licensed plumbers use advanced tools to locate leaks and deliver minimally invasive repairs that protect your home and your peace of mind.
Our Slab Leak Services To The Rescue
We solve the problem at its source while minimizing damage and costs.
Slab leak detection
Pinpointing hidden leaks under your foundation using electronic listening devices and advanced diagnostic tools.
Slab leak repair
Permanent solutions tailored to the severity and location of the leak.
Minimally invasive repair methods
Whenever possible, we use spot repairs or epoxy lining to avoid major disruption to your home.
Pipe rerouting or replacement
For extensive damage, we can reroute or replace lines to ensure a long-term fix.
- Our Offers
Plumbing Coupons and Special Offers
We believe every customer deserves high-quality plumbing at a fair price. Take advantage of our current coupons to save instantly on essential services:
$15 OFF
ANY DRAIN CLEANING SERVICE
Coupon must be presented at the time of service and cannot be combined with other offers.
$15 OFF
ANY PLUMBING REPAIR SERVICE
Save on common repairs like leaks, clogs, or fixture replacements.
$15 OFF
ANY WATER HEATER (INSTALLED)
Upgrade to a new water heater and enjoy instant savings.
- plumbing service company
Full-Service Plumbing Solutions — Always Ready To Take Action
- 5-Star Reviews
Over 3k Positive Reviews From Our Clients
EXCELLENT Based on 542 reviews Posted on E XTrustindex verifies that the original source of the review is Google. We always request Joe to service our home because he is very professional and knowledgeable! He’s also quick and cleans after his service!Posted on Vikki FrazierTrustindex verifies that the original source of the review is Google. As always (we live in an old house) Knights Plumbing are our go to plumbers. Always respectful and in good moods. Today it was Victor’s turn to tackle roots in the pipes. Fast, professional and overall a great guy. He was informative without being pushy about our pipe and tree situation (we do know it’s not great) 5/5 stars. Thanks VictorPosted on Diana GillisTrustindex verifies that the original source of the review is Google. Victor was amazing. Very professional and personable. He explained everything so that I could understand. His workmanship is great and was done in a timely manner. I would trust him with all future work. Thanks Victor...you're the best and I love your friendly personality.Posted on B. J.Trustindex verifies that the original source of the review is Google. Victor is an awesome plumber. He has excellent plumbing and customer service skills, and is very efficient and clean. He fixes any plumbing issues I ever had every time the first time. Highly recommend Victor to anyone who expects a professional plumber!Posted on Elena SanchezTrustindex verifies that the original source of the review is Google. Our technician Victor did a fantastic job of running his cable and camera in our sewer line. He unclogged our blockage, fast and efficiently. He was very respectful. I would recommend this company to anyone who’s looking for plumbing services.. Leslie took our phone call and he got someone to us in less than an hour! It wasn’t expensive for the amount of work that was done .If I could give this company more stars, I would.Posted on Jose RanesesTrustindex verifies that the original source of the review is Google. Victor was on time and knowledgeable tech and gave me alot of information about tankless water heatersPosted on Jake HaigTrustindex verifies that the original source of the review is Google. Michael was the service technician that helped me out and he was very thorough and neat with his work. He made sure his work was done correctly and was very communicative with his process during installation and through their office. Would recommend again.Posted on J DTrustindex verifies that the original source of the review is Google. Very pleased with the service. Technician Michael was just awesome. Well versed, polite and helpful. Definitely recommend to all!
Signs You Might Have a Slab Leak
Call Knights Plumbing if you notice:
- Warm or damp spots on floors.
- Unexplained increases in your water bill.
- Mold, mildew, or musty odors in your home.
- The sound of running water when no fixtures are on.
- Cracks forming in walls or flooring.
Don’t wait for a small problem to become a costly repair—schedule your service today.
- Serving the Central Valley
Find Plumbing Services Near You
Affordable Plumbing for Everyone
Plumbing Specials & Coupons
Save instantly on everyday plumbing services.
Flexible Financing
Easy payment options so you don’t have to delay important repairs or upgrades.
Royalty Club Membership
Exclusive perks like discounts, inspections, annual water heater flushes for members.
- Our Process
How We Solve Slab Leaks
Step 1
Inspection
We listen to your concerns and look for signs of leaks.
Step 2
Slab Leak Detection
Using electronic listening devices and pressure testing, we locate leaks precisely without unnecessary demolition.
Step 3
Repair or Rerouting
We determine the best solution—whether it’s a direct spot repair, epoxy lining, or rerouting pipes around the slab.
Step 4
Prevention & Peace of Mind
We test your system and provide tips to help prevent future slab leaks.
- go to plumbing service company
Why choose Knights Plumbing for Slab Leak Repair?
- 30+ Years of Proven Experience – Thousands of leaks repaired across Central Valley.
- Licensed, Certified Plumbers – Safe, code-compliant work every time.
- Advanced Slab Leak Detection – Non-invasive technology for accurate results.
- Minimally Invasive Methods – We focus on repairs that limit damage to your property.
- Upfront Pricing – Clear estimates before work begins, no hidden costs.
- Our Worry-Free Guarantee – If you’re not satisfied, you don’t pay.
- FAQS
Frequently Asked Questions About Slab Leaks
Signs include warm or wet spots on floors, mold or mildew, cracks in flooring, or sudden spikes in your water bill.
Plumbers use electronic listening devices, pressure testing, and thermal imaging to locate leaks accurately without tearing up your home.
Yes. Continuous water flow can weaken the soil under your foundation, leading to cracks, shifting, and long-term structural issues.
Always call a licensed plumber with experience in slab leak detection and repair. At Knights Plumbing, we have over 30 years of expertise with foundation leaks.
The slab leak repair cost depends on the location of the leak and the method of repair. Spot repairs are more affordable, while rerouting or replacement can cost more. We provide upfront quotes, plus coupons and financing options.
Depending on the situation, options include spot repair, epoxy pipe lining, or full pipe rerouting/replacement for long-term solutions.
Why it’s Important to Address Slab Leaks Early
Slab leaks never fix themselves—they only get worse. Ignoring them can lead to:
- Structural Damage – Water undermines your foundation, causing cracks and shifting.
- Mold and Mildew Growth – Hidden moisture leads to unhealthy indoor air.
- Higher utility bills – Wasted water adds up quickly.
- Costly Repairs – Early detection means a simpler, more affordable fix.
Addressing slab leaks right away protects your home’s value and your family’s safety.
- Contact Us
Get Expert Slab Leak Repair Today
Don’t let a hidden slab leak damage your foundation. Call Knights Plumbing and Drain for professional slab leak detection and repair in the Central Valley. With 30+ years of experience, advanced technology, and our “Happy Today or You Don’t Pay” Guarantee, you’ll get a solution that protects your home and your peace of mind.