Pipes are the hidden infrastructure of your home — and when they fail, the damage they cause can be far more expensive than the repair itself. The challenge is that the most costly pipe problems are often the hardest to see. A pinhole leak inside a wall. A slow slab leak under your foundation. A deteriorating gas line running to your range.

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One Time Plumbing Inc. has been finding and fixing hidden pipe problems across San Jose for over 20 years. We combine proper diagnostic technique with decades of hands-on experience to identify the issue accurately — and fix it right the first time.

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We use professional methods to locate leaks without unnecessary demolition — pinpointing the source precisely before we open a single wall. If your water bill has crept up unexpectedly, you hear running water when everything's off, or you notice damp spots on walls or flooring, call us. Hidden leaks only get worse.

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Slab leaks are one of the most serious plumbing issues a San Jose homeowner can face. Warm spots on your floor, the sound of water running underfoot, or unexplained foundation moisture are all warning signs. We locate slab leaks accurately and provide a full range of repair options.

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Older San Jose homes with galvanized steel or deteriorating pipe systems benefit enormously from full repiping with modern copper or PEX. We handle repiping projects of all sizes with minimal disruption and clean, code-compliant results.

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We also handle gas line repairs and new installations for appliances, outdoor kitchens, and generators. Gas line work requires a licensed contractor — we are CA Licensed #874001.

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Call for a Diagnosis: (408) 774-4522 | 1649 Blossom Hill Rd, San Jose, CA 95124