Santa Clara County

Underground Plumbing Installation in San Jose, CA

DAE Plumbing trenches and installs new underground water, sewer and gas lines for homes and businesses in San Jose and across Santa Clara County. Licensed, bonded and insured, with free estimates.

📞 Call (408) 728-2856 Get Free Estimate

DAE Plumbing, Inc. provides underground plumbing installation in San Jose, Santa Clara County. San Jose is within our regular service range up Highway 101 from Hollister. The family-owned crew holds California licence 1047507 and is bonded and insured. Every estimate is free, and you get the price before any work starts.

Need underground plumbing installation in San Jose? Tell us what is going on, and we will set up your free estimate.

📞 Call (408) 728-2856

Mon-Fri 7am-5pm, weekends by appointment

Underground Plumbing Installation in San Jose: What to Expect

Additions and multi-unit development in San Jose can need new water, sewer and gas lines run underground. We trench and install with our own equipment and locate existing utilities first. Every line is built to code and inspected before backfill.

San Jose Neighborhoods We Serve

Willow Glen
Almaden Valley
Cambrian Park
Evergreen
Blossom Valley
Santa Teresa

How It Works

Locate, Plan & Free Estimate

We call in utility locates, assess the route, depth, and surface conditions, and deliver a free itemized estimate covering excavation through restoration.

Trench & Install to Code

Using our own excavation equipment, we trench, lay the line on proper bedding, slope and test it to code, and pass inspection before any backfill.

Backfill, Compact & Restore

We backfill in compacted lifts to prevent settlement, restore the surface, and leave you with a documented, inspected installation built to last.

Google Reviews for DAE Plumbing, Inc.

Pulled live from our Google Business Profile, covering Santa Clara County and the wider Central Coast service area.

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Ready to Schedule Your Underground Plumbing Installation?

Serving San Jose and the Central Coast. Licensed, bonded, and insured, and every estimate is free. New customers get $99 off your first service.

📞 Call (408) 728-2856 Request a Free Estimate

Estimates and Permits for Underground Plumbing Installation in San Jose

Every San Jose job starts with a free estimate. We locate existing lines, plan the trench route and price the full job. You see the price before any work begins.

Permit needs depend on the job. Check the current rules with the City of San Jose. We coordinate permits and inspections on the jobs that need them.

Underground Plumbing Installation in San Jose: Common Questions

Yes. We trench and install water, sewer and gas lines for apartment and multi-family builds. Our own excavation equipment keeps the work with one crew. We coordinate with the general contractor on timing. For permits, check current rules with the City of San Jose.

San Jose is within our regular service range up Highway 101 from Hollister. Our hours are Monday to Friday, 7am to 5pm, with weekend visits by appointment. Underground Plumbing Installation is planned around your project, so call once you have plans or a start date. Details or photos of the problem help us plan the visit.

Yes. Every estimate for underground plumbing installation in San Jose is free. We locate existing lines, plan the trench route and price the full job. You get the price before any work begins. DAE Plumbing holds California licence 1047507 and is bonded and insured.

Yes. We trench and install code-compliant underground gas lines for detached shops, outdoor kitchens, pools, generators, and accessory dwelling units, including pressure testing and inspection coordination with the local building department.

More Plumbing Services in San Jose

See our plumber in San Jose page for everything we do locally, or read the full underground plumbing installation guide.

Underground Plumbing Installation in Other Areas

Book Underground Plumbing Installation in San Jose

Free estimates and licensed, bonded and insured work (CA Lic. #1047507) from a family-owned crew serving San Jose from Hollister.

📞 Call (408) 728-2856 Request a Free Estimate