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Lic #604044
(714) 894-6520

Leak Detection in Costa Mesa, CA

Leak Detection in Costa Mesa, CA

Costa Mesa sits on Orange County’s expansive clay soil, which shifts with seasonal moisture changes and puts constant stress on pipes beneath slab foundations. Combined with hard water corroding copper from the inside, slab leaks and hidden pipe leaks are among the most common plumbing emergencies we respond to in our home city.

Neighborhoods we serve:Mesa VerdeEastside Costa MesaWestside Costa MesaSouth Coast MetroCollege Park

Why Costa Mesa Needs Professional Leak Detection

Slab leaks are a fact of life for Costa Mesa homeowners. The city’s 1950s–1970s housing stock means copper supply lines have endured 50–70 years of hard water exposure (10–15 GPG), creating pinhole leaks that often start beneath the concrete foundation where they go undetected for weeks. In Mesa Verde, we see a high concentration of slab leaks in homes built in the late 1960s — that era used thinner-wall copper that is particularly vulnerable to hard water pitting. Westside homes with galvanized-to-copper transitions develop leaks at the dissimilar metal joints, often inside walls where moisture builds up behind drywall. Our electronic leak detection equipment pinpoints the exact location without unnecessary demolition, saving you from exploratory holes in your foundation or walls.

Why KCB Plumbing

Leak Detection Benefits in Costa Mesa

Non-Invasive Detection

We use electronic listening equipment, thermal imaging, and pressure testing to locate leaks without tearing up floors or walls.

Slab Leak Specialists

Costa Mesa slab leaks are our specialty. We pinpoint the leak location to within inches, minimizing the concrete that needs to be opened.

Fast Local Response

From our Harbor Blvd headquarters, we reach any Costa Mesa address in about 10 minutes — critical when a hidden leak is causing active water damage.

Full Repair Options

Once located, we offer spot repair, reroute, or full repipe depending on the pipe condition and your long-term goals.

Our Process

How Leak Detection Works

1

Identify the Signs

Common indicators: unexplained water bill increase, warm spots on the floor, sound of running water when nothing is on, damp carpet, or mold/mildew odor.

2

Pressure Test

We isolate the hot and cold supply lines and test static pressure to determine which line is leaking and how severe the loss is.

3

Electronic Leak Location

Using acoustic listening equipment and electromagnetic pipe locators, we trace the pipe path and identify the exact leak point.

4

Repair Recommendation

Based on the pipe age, material, and number of prior repairs, we recommend spot repair, reroute above the slab, or a full repipe.

5

Repair & Restoration

We complete the repair and coordinate with restoration if needed. For slab access, we use the smallest opening possible.

Common Questions

Leak Detection in Costa Mesa FAQ

How do I know if I have a slab leak in my Costa Mesa home?

Watch for: an unexplained spike in your water bill, the sound of running water when all fixtures are off, warm or damp spots on the floor, or cracks appearing in your foundation. If your home was built in the 1960s–1970s with copper supply lines, you are in the highest risk category.

How much does leak detection cost in Costa Mesa?

Electronic leak detection typically costs $250–$450. This includes pressure testing, electronic location, and a written report of findings. If you proceed with repair, we often apply the detection fee toward the repair cost.

Can a slab leak be fixed without jackhammering my floor?

Sometimes. If the leak is in an accessible spot and the rest of the pipe is in good condition, a spot repair through a small opening works. If the pipe has multiple weak points, rerouting above the slab (through the attic or walls) avoids opening the floor entirely.

Why Costa Mesa Homeowners Choose KCB Plumbing

27+ yearsserving Orange County — we know Costa Mesa
4.9 starsacross 50+ Google reviews
Flat-rate pricingno surprises, no hidden fees
Lic #604044licensed, insured & fully bonded
99.9%on-time guarantee
30+ specialistsemployees, not subcontractors

Need Leak Detection in Costa Mesa?

Free phone estimate. Mon–Fri 8 AM – 5 PM.

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