Start by calling or booking online to schedule an in-home slab inspection. We'll review your concerns, and answer your questions about potential repair options.
Professional Slab Leak Repair Services
If you’ve noticed unexplained increases in your water bill, warm or wet spots on your floor, or the sound of running water with no taps open, you may have a slab leak. Horizon provides expert slab leak detection and repair services for homeowners in Delaware, Southeastern Pennsylvania, South Jersey, and parts of Maryland.
Same day and 24/7 emergency plumbing service
Licensed, experienced plumbers
Clear, upfront pricing with no surprises
Signs you need slab leak repair services
Unexplained High Water Bills
If your water bills are suddenly rising with no change in usage, water may be escaping under your slab. Hidden leaks can waste hundreds of gallons each month, and addressing them promptly prevents ongoing costs and damage.
Unexplained High Water Bills
Warm or Damp Spots on Floors
Warm or damp areas on tile, hardwood, or carpet, even when no water is running, can indicate a slab leak. These signs mean water is leaking under your foundation, which can compromise flooring, subflooring, and indoor air quality if left untreated.
Warm or Damp Spots on Floors
Cracks in Flooring or Walls
Water escaping beneath your slab can shift the concrete and damage your home’s structure. Cracks in tiles, hardwood, or walls can indicate water-related foundation movement, which slab leak repair can stop before it worsens.
Cracks in Flooring or Walls
Water Pooling in Yard or Near Foundation
Leaks under a slab can push water up through the soil outside your home. Even small leaks can saturate the yard, create puddles, or lead to erosion around your foundation, all of which can cause bigger problems over time.
Water Pooling in Yard or Near Foundation
Sound of Water Running
Hearing water in walls, floors, or near your foundation without any taps open is a classic sign of a hidden leak. Slab leaks often go unnoticed for weeks or months unless detected with specialized equipment.
Sound of Water Running
Low Pressure in One Area
A sudden drop in water pressure localized to one bathroom, kitchen, or laundry area may indicate a compromised pipe beneath your slab. Addressing the issue quickly restores consistent flow and prevents further damage.
Low Pressure in One Area
Slab leak repair by Horizon protects your home and prevents costly damage
Certified, experienced plumbers
Upfront pricing with no surprises
24/7 emergency plumbing services
No emergency charges
Satisfaction guarantee
A slab leak is a water leak under the concrete foundation of a house. Slab leaks may start small, but their impact can be significant. Ignoring a leak can lead to water damage, mold growth, structural issues, and higher water bills. Understanding the risks and taking action quickly is the best way to protect your home and your investment.
Slab leaks can quietly compromise your home
Even a slow leak under your slab can create major problems over time:
Weakening or cracking concrete foundations
Damaging flooring, carpets, or tile
Promoting mold and mildew growth
Wasting hundreds of gallons of water per month
Raising utility bills unexpectedly
Because these leaks are hidden, homeowners often don’t notice them until damage is already occurring. That’s why professional detection and repair are critical.
Our slab leak repair services address the problem efficiently
At Horizon, we use advanced, non-invasive detection tools like acoustic sensors, infrared cameras, and pressure tests to pinpoint leaks quickly. By accurately locating the source, we minimize the disruption to your flooring and home while ensuring the repair is precise and long-lasting.
Our team can repair slab leaks through several methods, depending on the situation: rerouting pipes, repairing the compromised section, or replacing lines entirely. Every approach is performed to code, protecting both your plumbing system and your home’s structure.
Timely repair saves money and projects your home’s integrity
Acting quickly on a slab leak prevents small issues from becoming expensive repairs. Prompt slab leak repair helps you:
Avoid costly water damage and foundation issues
Reduce the risk of mold and indoor air quality problems
Restore normal water pressure and flow throughout your home
Minimize disruption with targeted, efficient repair work
Trust Horizon for slab leak detection and repair
When it comes to hidden leaks, experience and precision matter. Our licensed, insured, and background-checked plumbers bring expertise and care to every slab leak repair for homeowners in Delaware, Southeastern Pennsylvania, South Jersey, and parts of Maryland. We prioritize clear communication, upfront pricing, and quality workmanship backed by our satisfaction guarantee
Call us today or book online to schedule an appointment.
Our plumbers bring skill, professionalism and reliability to every project
Slab leak repair requires precision and expertise. At Horizon, our team is known for being approachable, dependable, and highly trained. We back every job with a 100% satisfaction guarantee because we stand behind the quality of our work.
Trained weekly in the latest tools and techniques
Fully background checked, licensed and insured
Experts in customer service, with your satisfaction guaranteedGuaranteed to arrive on time, every time
See why customers trust Horizon for plumbing services
What to expect during a slab leak repair
Using state-of-the-art tools, we pinpoint the leak’s exact location beneath your slab. This non-invasive process minimizes unnecessary demolition and ensures the repair is precise.
Once the leak is located, we walk you through the cause and the recommended repair method. You’ll receive transparent pricing, a clear timeline, and a plan that prioritizes efficiency while protecting your home.
Depending on the situation, our team may repair the damaged section, reroute the pipe, or replace the compromised line. We follow all local plumbing codes, take precautions to protect flooring and finishes, and complete the work efficiently while maintaining a clean work area.
After the repair, we test water flow and pressure to ensure your plumbing system is fully restored. The work area is cleaned and restored so your home looks and functions as it did before the project.
Comfort360 is a membership designed with your plumbing needs in mind
Make costly plumbing repairs and installation a thing of the past with our Comfort360 membership. Our unique subscription takes a whole-home approach to repairs, maintenance, and installation, ensuring your HVAC, plumbing, and electrical systems stay in peak shape. Included in the membership are the following plumbing perks:
15% off all plumbing services
50% off our Whole-Home Water Leak Protection Packages
Waived diagnostic fees with repairs
Read expert plumbing tips from Horizon
Questions about our slab leak repair services?
Not seeing what you’re looking for? Give us a call, and we’ll happily help!
A slab leak occurs when a water pipe beneath your home’s concrete foundation develops a crack or rupture. These leaks are hidden, which means water can escape unnoticed, potentially causing structural damage, flooring issues, and mold growth if not repaired promptly.
Common signs include higher-than-normal water bills, warm or damp spots on floors, cracks in tile or walls, the sound of running water when no taps are open, or low water pressure in a specific area. If you notice any of these, it’s best to schedule a professional inspection immediately.
Yes. Water leaking beneath a concrete slab can weaken the foundation over time, causing cracks in floors, walls, and tiles. Prompt detection and repair protect your home from expensive structural damage.
Repair times vary depending on the size and location of the leak, but most slab leak repairs can be completed in a day or two. Your plumber will provide a clear timeline before any work begins.
A slab leak will not fix itself and usually worsens over time. You’ll need a plumber to locate and repair it, since delays can lead to structural damage, mold, and higher water bills.
Slab leaks are often caused by pipe corrosion, shifting soil or foundation movement, poor installation, high water pressure, or abrasion from pipes rubbing against concrete. Over time, these factors can weaken pipes and cause them to fail.
Watch for warm or damp spots on the floor, unexplained increases in your water bill, low water pressure, sounds of running water, cracks in flooring, or moldy or musty smells. These symptoms often point to a leak beneath the slab that needs professional detection.