Under-Slab Leak Detection

Stop Hidden Leaks Beneath Your Foundation

Leaks beneath your foundation can go undetected for long periods, quietly damaging your home or business from below. At Medrano Co., we provide specialized under-slab leak detection services throughout the San Diego, CA area to locate and address these hidden issues quickly and accurately.

Using advanced, non-invasive technology, our team pinpoints leaks beneath concrete slabs without unnecessary digging or disruption—helping you avoid costly structural damage and extensive repairs.

What Is an Under-Slab Leak?

An under-slab leak occurs when pipes beneath your property’s concrete foundation begin to leak due to corrosion, shifting soil, pressure, or wear over time. Because these pipes are buried, leaks often go unnoticed until significant damage has already occurred.

Our Under-Slab Leak Detection Process

We use precise, modern equipment to locate leaks with minimal intrusion, including:

• Acoustic leak detection to hear water movement beneath concrete
• Infrared thermal imaging to identify temperature changes
• Electronic leak detection for pinpoint accuracy
• Pressure testing to confirm leaks in plumbing systems
• Video pipe inspection for internal pipe assessment
• Moisture mapping to track water spread beneath flooring

Our goal is simple: find the exact source of the leak quickly and accurately while minimizing disruption to your property.

Signs You May Have an Under-Slab Leak

If you notice any of the following, it may be time to schedule professional detection:

• Unexplained increases in your water bill
• Warm or damp spots on floors
• Cracks in your foundation or flooring
• Sounds of running water when fixtures are off
• Reduced water pressure
• Mold or mildew growth
• Musty odors
• Water meter running continuously

Catching these warning signs early can prevent major structural damage and expensive repairs.

Why Early Detection Matters

Under-slab leaks can compromise your foundation, weaken structural integrity, and create ideal conditions for mold growth. Left untreated, they can lead to:

• Foundation shifting or cracking
• Flooring damage
• Increased utility costs
• Health risks from mold and mildew

Early detection helps protect your investment and keeps repair costs under control.

Why Choose Medrano Co.

With over 37 years of experience, Medrano Co. is a trusted name in leak detection and waterproofing throughout the San Diego area. We combine proven expertise with modern technology to deliver reliable results.

• 10,000+ successful projects completed
• Free in-person estimates within 24 hours
• Family-owned and locally operated
• 24/7 emergency response available
• Same-day service for urgent situations
• Assistance with insurance claims
• Fully licensed and insured professionals
• Fast, accurate, and minimally invasive service

We understand how urgent under-slab leaks can be and respond quickly to minimize damage.

Contact Us

Don’t let a hidden leak beneath your foundation turn into a major problem. Medrano Co. is ready to help you detect and resolve under-slab leaks before they cause serious damage. Contact us today to schedule your professional under-slab leak detection service and protect your property from costly water damage.