Hidden plumbing leaks can cause costly damage before they're ever visible. Since 1986, John Owens Services has helped San Rafael homeowners accurately locate slab, water, gas, and irrigation leaks using professional diagnostic equipment and honest recommendations.
Hidden plumbing leaks don’t always leave obvious signs. Water can escape beneath concrete slabs, inside walls, below crawlspaces, or underground while slowly damaging your home and increasing your water bill.
John Owens Services provides professional leak detection throughout San Rafael using advanced diagnostic equipment to accurately locate hidden leaks while minimizing unnecessary demolition. Once we’ve identified the source, we’ll explain what we found and review the repair options that make the most sense for your home.
San Rafael features everything from historic homes to newer construction, each with its own plumbing challenges. Whether you’re dealing with a slab leak, underground water line leak, irrigation leak, or hidden pipe leak, our experienced plumbers can help identify the problem before repairs begin.
If repairs are needed after the leak is located, we also provide Plumbing Repair, Water Heater Repair, and Drain & Sewer Services throughout San Rafael.
For nearly four decades, we’ve earned the trust of homeowners throughout Marin County by providing careful diagnostics and straightforward recommendations. The John Owens Way is simple: maintain plumbing systems whenever possible, repair when needed, and recommend replacement only when it’s truly the best long-term solution.
We locate slab leaks, underground water line leaks, gas leaks, irrigation leaks, radiant heating leaks, and many other hidden plumbing leaks.
Our goal is to accurately locate the leak before any demolition begins. Once the source is confirmed, we’ll explain exactly what access is needed for the repair.
Yes. Once we’ve identified the leak, our licensed plumbers can recommend and perform many plumbing repairs.
Yes. We regularly work on both older and newer homes throughout San Rafael and understand the different plumbing systems found in each.
Leave the area immediately, avoid flames or sparks, and contact your gas utility. After the area has been made safe, we can inspect your gas piping.
Yes. Our team has extensive experience diagnosing plumbing and radiant heating systems in Eichler homes throughout Marin County.
From the Marin coast to Sonoma wine country, we bring honest plumbing, heating & cooling to homeowners across both counties — based locally since 1986.