If you suspect a hidden plumbing leak in your Kent, WA home — indicated by unexplained high water bills, the sound of running water with fixtures off, or moisture on walls or ceilings — call (253) 378-0055. Kent Plumbing Services uses electronic leak detection equipment to locate leaks in supply lines, slabs, and wall cavities with minimal disruption before repairing them.
Your water bill spiked and you can't figure out why? Call (253) 378-0055 — we will locate the leak with our detection equipment, show you exactly where it is, and give you a repair plan before touching a single wall.
(253) 378-0055Hidden Leaks Are Quietly Destroying Your Home
Not all leaks announce themselves with water spraying across the room. Many of the most damaging leaks in Kent homes are slow, hidden, and completely silent to the naked eye. A pinhole leak in a copper supply line inside a wall can release just a few gallons per day — enough to saturate wood framing, create a mold-friendly environment, and cause structural damage over months or years before the homeowner notices.
The first clues are often indirect: a water bill that climbs month after month without explanation, a soft spot in a floor, a musty smell in a particular room, a small water stain on a ceiling that seems to grow slowly. By the time these signs appear, the leak has typically been running long enough to cause meaningful hidden damage.
Slab leaks — leaks in pipes running beneath a concrete foundation — are a particular concern in Kent homes built on the clay-heavy soils of the Green River valley, where soil movement puts chronic stress on under-slab plumbing.
Find It First — No Guessing, No Unnecessary Demolition
We use acoustic leak detection equipment and electronic amplification to listen for the sound signature of pressurized water escaping a supply line. This technology can pinpoint a leak location to within a few inches before any wall access or concrete cutting takes place.
For slab leaks, we also use thermal imaging and pressure testing to narrow the location. Access is then made only at the confirmed leak point — not along an entire wall or floor run — which minimizes repair and restoration costs dramatically.
After the leak is located and repaired, we pressure-test the full supply system to confirm no secondary leak points remain hidden. We do not consider the job done until we've verified that the water loss has stopped completely.
Kent Plumber Leak Detection & Repair Services
Complete leak detection, slab leak repair, and pipe repair coverage — handled by licensed Kent plumbers with same-day availability.
Water Leak Detection
Non-invasive electronic detection of leaks in supply lines, joints, and fixtures.
Slab Leak Detection
Acoustic and thermal detection of leaks under concrete slabs without breaking ground.
Slab Leak Repair
Slab leak repaired via reroute, tunneling, or direct access — least invasive method chosen.
Hidden Leak Location
Leak location inside walls, ceilings, and crawl spaces without unnecessary demolition.
Pipe Leak Repair
Pinhole, joint, and section leaks repaired once located — copper, PEX, and CPVC.
Wall Leak Repair
Behind-wall supply line leaks repaired with minimal drywall removal and patching.
Ceiling Leak Repair
Above-ceiling pipe leak located and repaired before water damage spreads.
Pool & Spa Leak Detection
Pressure testing and dye testing to find leaks in pool plumbing lines.
Post-Repair Leak Verification
Pressure test after every repair to confirm the leak is fully resolved.
What Separates Leak Detection Done Right
24/7 Live Dispatch
We answer every hour. When you call at 2 AM, a real person picks up and sends a plumber — not a voicemail.
Fast Local Response
Based in Kent, WA — we reach most service-area homes within 45 to 60 minutes of your call.
Licensed
Washington State-licensed plumbers, protecting your home and your investment.
Clear Pricing First
We diagnose, explain, and price the work before touching anything. No surprises at the end of the invoice.
Right Equipment for the Job
We use amplified acoustic detection equipment and pressure isolation testing — the combination that finds leaks in walls, under slabs, and in crawl spaces without destroying the structure to find them.
Locally Operated
Not a franchise, not a dispatch center — a locally owned and operated plumbing company that knows Kent's neighborhoods and housing stock.
Signs You Have a Hidden Leak
- Water bill increasing month over month without a change in usage habits
- Sound of running water when all fixtures and appliances are off
- Wet, soft, or discolored spots on walls, ceilings, or flooring
- Musty or mold-like odor in rooms with no visible moisture source
- Visible mold growth near a wall or ceiling without an obvious explanation
- Your water meter dial moving when all water use in the home is stopped
- A persistent low-pressure issue affecting only certain fixtures
What to Do if You Suspect a Hidden Leak
- Shut off all water fixtures and appliances and check if your water meter dial is still moving — if it is, you have an active leak somewhere
- Note which areas of the home feel damp, smell musty, or show wall or ceiling discoloration
- Pull your last 3 months of water bills to see if consumption has been climbing
- Avoid running water in the suspected leak area until we assess the situation
- If you see active mold growth, avoid disturbing it — call us and we will advise on the appropriate next steps
Leak Detection Considerations for Kent, WA Homes
Older Kent neighborhoods — particularly homes built in the 1960s through the early 1980s in areas like Scenic Hill and parts of central Kent near the old downtown — commonly feature copper supply lines that have developed pinhole leaks from the region's naturally soft water, which is slightly acidic and aggressive toward copper over decades of contact.
Under-slab plumbing is another common concern in Kent's ranch-style homes, where galvanized or copper pipes were run through the concrete slab foundation rather than through the crawl space. These pipes are subject to movement stress from King County's clay-heavy soils, which shift seasonally with the wet-dry cycle. We have the equipment to locate and repair slab leaks with minimal concrete removal.
Service Coverage
We provide leak detection and repair services throughout Kent and the surrounding South King County area.
Frequently Asked Questions
Common indicators include warm spots on the floor, the sound of running water under the slab, unexplained high water bills, and cracks appearing in the foundation or slab surface. Call us for a professional assessment.
When performed by an experienced plumber with calibrated equipment, acoustic detection can locate leaks to within a few inches in most supply line applications. Slab leaks may require additional pressure isolation steps.
In most cases, no. We locate the leak electronically first, then make access only at the confirmed point. For slab leaks, we core-drill only at the pinpointed location.
Most residential leak detection visits take one to three hours depending on the home's size and the leak's complexity. Repair time depends on the access required and the pipe material involved.
Yes. Even a slow drip inside a wall creates the sustained moisture that mold requires — typically 24 to 48 hours of moisture above 60% humidity is enough for mold to begin growing on organic materials like drywall paper and wood framing.
A Hidden Leak Is Growing Right Now
Slow leaks cause fast damage. Mold, rot, structural deterioration — these are the consequences of a leak that goes undetected for weeks or months. Call us and we will find it today.
Call Now — (253) 378-0055