Professional leak detection services for homes and businesses in Mill Valley and surrounding California communities.
Unexplained water bill spikes, musty odors, or unexplained wet spots in your Mill Valley home are signs of a hidden leak. Magnet Plumbing provides professional leak detection throughout Mill Valley, CA using non-invasive equipment that locates the source precisely before any walls are opened or floors are cut. We find the leak, explain our findings, and recommend the most effective repair.
Mill Valley homeowners and businesses count on reliable leak detection to protect their properties from damage and disruption. Serving a city of 13,754 across California, Magnet Plumbing brings the experience, equipment, and licensed crew capacity to handle leak detection projects of any scale. We begin every job with an honest evaluation and a clear written estimate so there are no surprises.
Our leak detection plumbers in Mill Valley, CA are licensed, background-checked, and equipped with professional-grade tools and quality materials. From the initial diagnosis through final testing, we maintain open communication and hold ourselves to high workmanship standards. That is how Magnet Plumbing has earned the trust of property owners across California.
A clear, professional approach to leak detection — tailored to your Mill Valley property.
We start by gathering information about the symptoms — where you see moisture, what your water bill has done, and any sounds you hear — then do a visual inspection throughout your home before using detection equipment.
Our licensed detector uses professional thermal imaging and acoustic equipment throughout your Mill Valley home to trace moisture patterns and pinpoint the exact source of the hidden leak — giving us a precise location before any demolition.
Magnet Plumbing provides a clear summary of leak detection findings at your Mill Valley, CA property — exact location, likely cause, affected materials, and repair recommendations with transparent pricing. You decide how to proceed with full information.
We repair the leak on the spot when possible, or schedule a follow-up visit for more involved repairs. If the repair falls outside our scope, we refer you to the right specialist.
Answers to frequently asked leak detection questions from Mill Valley homeowners.
Signs of a hidden water leak in Mill Valley homes include an unexplained increase in your monthly water bill, the sound of running water when all fixtures are off, musty or mildew odors in walls or cabinets, discoloration or bubbling paint, soft spots in walls or flooring, and visible mold growth. If you notice any of these signs, call Magnet Plumbing for professional leak detection.
Yes. When Magnet Plumbing locates a leak in your Mill Valley, CA home, our licensed plumber can perform the repair in the same visit for straightforward pipe leaks. More complex repairs like slab leaks or underground line breaks may require scheduling a follow-up visit. We provide a clear repair quote immediately after confirming the leak location.
Magnet Plumbing uses non-invasive leak detection technology in Mill Valley, CA — thermal imaging cameras that reveal moisture behind walls, electronic acoustic listeners that amplify the sound of escaping water, and moisture meters that confirm wet areas without any cutting or drilling. We locate the leak first, then make only the access needed to repair it.
Most residential leak detection jobs in Mill Valley are completed in 1 to 3 hours depending on the size of the home and the number of areas to investigate. Complex situations involving multiple suspects or hard-to-access areas may take longer. Magnet Plumbing schedules same-day or next-day leak detection appointments for Mill Valley homeowners in most cases.
Our reputation is built on results. Here is what our customers have to say.
"Installed a new sump pump in our basement before hurricane season and I am so glad I did. The install was clean, the pump runs quietly, and they explained the battery backup option clearly. Great experience."
"Had a new tankless water heater installed and could not be happier. The plumbers were punctual, clean, and walked me through the warranty and maintenance before leaving. Highly recommend for any water heater project."
"We noticed our water bill doubling month over month and could not find anything visible. These guys came out with the leak detection equipment and located a slab leak under the living room in about thirty minutes. The repair was minimally invasive — small access cut, patched afterward, and the bill is back to normal. Really impressed with the professionalism."