New Construction Plumbing in East San Diego County
Licensed rough-in, top-out, and trim plumbing for residential and commercial new builds across East County.
(619) 571-1777RD Hydrojet Plumbing provides full-scope new construction plumbing for builders, general contractors, and property developers across East San Diego County. We handle every phase of the plumbing installation — from underground slab rough-in through top-out, pressure testing, and final fixture trim. Our work is built to pass inspection the first time.
New construction plumbing isn't just about running pipes. It requires coordination with framers, concrete crews, and inspectors on a timeline that doesn't tolerate delays. We've worked on single-family homes, multi-unit developments, and light commercial projects throughout the Inland Empire and East San Diego — and we understand the pace and precision that builders expect.
Whether you're breaking ground on a custom home in Alpine, a tract development in El Cajon, or a commercial tenant improvement in La Mesa, our licensed team delivers code-compliant plumbing that's done right, on schedule, and documented for inspection. We carry C-36 Plumbing, C-42 Sanitation, and C-20 HVAC licenses — covering the full scope of mechanical systems for new builds.
What You Get
Underground & Slab Rough-In
Complete below-grade plumbing installation including waste lines, water supply, and gas piping before concrete is poured.
Top-Out & In-Wall Rough
All vertical and horizontal pipe runs through framing — supply, drain, waste, and vent lines roughed to code and ready for inspection.
Pressure Testing & Inspection
Full system pressure testing, leak checks, and documentation to ensure clean first-pass inspections with local building authorities.
Fixture Trim & Final
Installation of all finish plumbing — faucets, toilets, water heaters, disposals, dishwasher connections, and hose bibs.
Why East County Homeowners Need This
New construction plumbing lives behind walls and under slabs for decades. If the rough-in isn't done right, the problems show up years later as slab leaks, failed joints, and code violations that complicate resale inspections. We build new construction plumbing systems with the same diagnostic mindset we bring to repairs — anticipating where failures happen and engineering them out. For general contractors and builders, we offer something that matters as much as quality: reliability. We show up on the day we're scheduled, coordinate with your framing and concrete crews without creating bottlenecks, pull our own permits, schedule our own inspections, and handle corrections on the spot. Our goal is to be the plumbing sub you never have to chase. East San Diego County is seeing significant residential development, particularly in El Cajon, Santee, and Lakeside, and new builds in this region need plumbing systems designed for the local water conditions — including hard water mitigation, proper venting for hillside lots, and sanitation system compliance for properties outside municipal sewer service areas.
Common Questions
Stop Living with Bad Plumbing
Whether it's a slow drain or a full emergency, our East San Diego team is ready. Free estimates, no obligation, available 24/7.
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Burst pipes and sewer backups don't wait — neither do we.