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Leak Detection Services in the Bay Area
in the Bay Area
United HVAC, Plumbing & Electrical provides professional water leak detection throughout the Bay Area. We locate hidden leaks behind walls, under floors, beneath concrete slabs and in underground water lines.
Noticed a higher water bill, damp drywall, low water pressure or a meter that keeps moving? Our licensed plumbers can locate the source and determine the next step.
- 25+ Years
- Licensed & Insured
- 24/7 Emergency
4.9/5 Rating
2,000+ Reviews
Licensed & Insured
CA Licensed
Same-Day Service
24/7 Emergency
25+ Years
Bay Area Experts
6,000+
Jobs Completed
Simple Process
How It Works
Call Us 24/7
Reach us anytime at
(408)539-6936.
Same-Day Dispatch
A licensed technician arrives at your home, often same day.
Diagnose & Fix
Upfront pricing before work begins. No hidden fees, ever.
100% Satisfaction
We stand behind every job with our satisfaction guarantee.
Hidden Water Leak Detection
Hidden water leaks can develop behind walls, under floors, beneath concrete slabs or in underground water lines. Because moisture can travel away from the actual pipe failure, the visible wet spot is not always where the leak begins.
Our plumbers inspect the symptoms, water-meter activity, pressure changes and accessible plumbing to narrow down the affected area. When access is required, we focus on the specific location indicated by the evidence rather than opening large sections of walls, flooring or landscaping unnecessarily. If the leak involves a damaged pipe, we can also recommend the appropriate water pipe repair.
Types of Water Leaks We Locate
- Leaks behind walls and ceilings
- Slab and foundation leaks
- Underground water line leaks
- Copper and PEX supply line leaks
- Leaks at fittings, valves and connections
- Yard and exterior plumbing leaks
Signs You May Have a Hidden Water Leak
Hidden leaks are not always visible. In many cases, the first sign is a change in water usage, pressure or moisture inside or around the home.
- Unexplained increase in the water bill
- Water meter moving when all fixtures are off
- Damp or discolored walls, ceilings or flooring
- Musty odors or recurring moisture
- Warm spots on floors above a slab
- Unusually low water pressure
- Soggy or unusually green areas in the yard
- Cracks or moisture around the foundation
If recurring leaks point to a broader problem with aging or damaged pipes, full house water repiping may be a more practical long-term solution.
If you notice one or more of these signs, early leak detection can help limit water damage and identify whether the problem is inside the home, beneath the slab or in an underground line.
We provide water leak detection in San Jose, Santa Clara, Sunnyvale, Cupertino, Campbell, Palo Alto, Los Gatos, Saratoga, Milpitas and surrounding Bay Area communities.
Leak Detection Cost in the Bay Area
Leak detection cost depends mainly on where the leak is located, how accessible the affected area is and how much diagnostic work is required to confirm the source.
A leak that can be narrowed down from visible moisture and accessible plumbing may require less investigation than a leak beneath a concrete slab, underground line or finished area of the home.
What Affects Leak Detection Cost?
- Location of the suspected leak
- Accessibility of the plumbing
- Slab, wall or underground conditions
- Amount of diagnostic work required
- Whether limited access or opening is needed to confirm the leak
We inspect the system first and explain the recommended next step before repair work begins.
Water bill spiking with no explanation? Call United HVAC, Plumbing & Electrical at (408) 539-6936 — we locate hidden leaks same-day without tearing into walls you don’t need opened.
100% Satisfaction Guarantee
If you're not completely satisfied with our work, we'll come back and make it right — free of charge. That's our promise to every customer.
Signs You Need Leak Detection Services in the Bay Area
Why Choose United HVAC
Got Questions?
Frequently Asked Questions
We start with the symptoms, water-meter activity and accessible plumbing to narrow down the affected area. Depending on where the leak is suspected, we inspect walls, floors, slab areas or underground lines and confirm the source before recommending repair.
Common signs include an unexplained increase in the water bill, a meter that continues moving when fixtures are off, damp drywall, musty odors, warm spots on the floor, low water pressure or unusually wet areas in the yard.
A slab leak may cause warm or damp areas on the floor, unexplained water usage, the sound of running water when fixtures are off or changes in water pressure. Because the pipe is beneath the concrete, professional diagnosis is usually needed to confirm the location.
Yes. Even a small leak can continue for weeks before it becomes visible, allowing moisture to reach drywall, flooring, framing or the area beneath a slab. Finding the source early can help limit the amount of affected material.
Coverage depends on the policy and the cause of the leak. Some policies may cover diagnostic work or resulting water damage when the loss is sudden and accidental. Homeowners should confirm coverage directly with their insurance provider.
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Serving the Bay Area
Leak Detection Services in the Bay Area Available In
We proudly serve homeowners across the entire Bay Area
Don’t see your city? Call (408)539-6936 to check availability.