Trusted San Mateo Water Leak Detection Pros — Find It, Fix It, Prevent It

Hidden water leaks in San Mateo are costly because they travel silently through walls and slabs. We combine
technology and craftsmanship to locate the problem precisely and stop the damage before it spreads.

Remodeled kitchens and baths deserve shut‑offs that actually shut off — we test every valve.

Townhomes and condos with shared walls need clean, low‑impact detection techniques.

Five clues you may have a hidden leak:

1. Efflorescence or damp lines on foundation walls.

2. Mildew odors or persistent humidity in specific rooms.

3. Stains on ceilings or bubbling paint along walls.

4. Unexplained spikes on your water bill despite normal use.

5. Warm spots on floors or damp carpet over slab areas.

Why leaks happen:

- Aging copper with pinhole corrosion from water chemistry.

- Improperly crimped PEX fittings or degraded rubber washers.

- Slab movement and soil conditions stressing buried pipes.

- Old galvanized piping rusting from the inside out.

Our step‑by‑step approach:

Step 1: Acoustic listen and thermal scan to triangulate the leak position.

Step 2: Isolate lines to narrow the suspect branch without opening walls.

Step 3: Confirm with pressure testing or tracer gas for small, silent leaks.

Step 4: Restore finishes neatly and verify with a final pressure test.

Step 5: Open a small access point and make a clean, permanent repair.

Prevention plan for peace of mind:

- Keep water pressure in spec with a functional pressure‑reducing valve (PRV).

- Install leak alarms under sinks, behind washers, and near water heaters.

- Know where your main shut‑off is and make sure it turns easily.

- Replace old angle stops and braided supplies proactively.

Recent job in San Mateo: Repeated meter movement with fixtures off pointed to a pinhole behind the laundry. A
small access panel let us repair the copper and install new shut‑offs, saving the client from tearing out a
full wall.

Expect tidy work, labeled shut‑offs, and a walkthrough before we leave. If you’re seeing signs of a leak in
San Mateo, acting early prevents bigger repairs later.