Licensed, insured, and locally owned. From repiping and tankless water heaters to sewer line repair and emergency leak detection — we bring corporate-grade craftsmanship to every job in Contra Costa County.
From full repiping projects to emergency sewer repair, our licensed technicians handle it with the same standard: careful diagnosis, clean work, and pricing you agree to before we start.
Replace old, corroded galvanized or polybutylene pipes with durable copper or PEX for better pressure, cleaner water, and fewer leaks.
View ServiceUpgrade to an energy-efficient, endless-hot-water tankless system, professionally installed and fully code-compliant.
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From camera inspections to trenchless replacement, we diagnose and fix sewer line problems fast — before they become a backyard excavation.
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Precision DWV piping installation plus advanced leak detection and drain cleaning to stop hidden water damage before it starts.
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Certified backflow assembly testing/installation and pressure-reducing valve service to protect your water supply and plumbing system.
View ServiceWe built 5 Star Plumbing & Sewer to fix what frustrates people about hiring a plumber: vague pricing, missed windows, and sloppy patch jobs. Every technician is background-checked, uniformed, and trained to leave your home cleaner than they found it.
We show you the actual problem, not a guess.
Approved price before any tools come out.
Real arrival windows, same-day emergency slots.
Drop cloths, shoe covers, and full cleanup, always.
Simple, transparent, and built to respect your time and your home.
Tell us what's going on — we'll ask a few quick questions to prep the right technician and tools.
We inspect, test, and (when needed) run a camera to confirm the real root cause.
You see the full cost and sign off before any work begins — no surprises later.
We finish, clean up, test everything twice, and back it with our workmanship guarantee.
“They repiped our entire house in three days and left everything spotless. Water pressure is night and day — should have called them years ago.”
“Fast response on a Sunday for a sewer backup. Camera inspection found the issue in minutes and they fixed it same day. Genuinely 5 stars.”
“Installed a tankless water heater and it's been flawless. Upfront pricing, no pressure, explained everything before starting.”
Our emergency line is answered 24/7. Get a real technician, not a call center.