Main water line problems develop gradually or suddenly. A pinhole leak in an older galvanized or copper supply line may go unnoticed for months, slowly saturating soil and eroding your foundation. A full line failure can cut off water to your entire home. Common signs include unexplained wet spots in your yard, low pressure throughout the house, discolored water, or a water meter that keeps moving even when nothing is running.
America's Plumbing begins every water line diagnosis with a pressure test and, where indicated, electronic detection to locate the leak without unnecessary excavation. Where site conditions allow, we offer trenchless water line replacement using pipe bursting or horizontal boring — pulling new HDPE or copper line through the existing path without digging a full trench.
We also repair and replace interior supply branch lines — the lines running through your walls and under your floors to individual fixtures and appliances. America's Plumbing pinpoints these leaks precisely using electronic detection to minimize wall and floor damage.
Signs You Need Water Line Repair Now
- ✕Wet or soggy spot in the yard that stays damp with no irrigation explanation and no recent rain
- ✕Unusually lush, fast-growing strip of grass running from the house to the street over the line path
- ✕Low water pressure at every fixture in the house — not just one — suggesting a main supply restriction or leak
- ✕Water meter dial moving slowly when every fixture and appliance in the home is completely off
- ✕Discolored water with a gritty or earthy taste — soil infiltration through a cracked supply line
- ✕Unexplained spike in the water bill for two or more consecutive months without a usage change
How Water Line Repair Works
We confirm the leak is on your side of the meter with a pressure isolation test, then use electronic detection to narrow the leak location without digging.
Ground microphone and pressure correlation equipment pinpoints the leak within inches so we open only what's absolutely necessary.
We assess pipe age, material, and condition — if the line is near end of life, proactive full replacement often costs less than repeated spot repairs.
Depending on site conditions, we repair or replace the line using pipe bursting, horizontal boring, or targeted excavation with full restoration.
The completed line is pressure-tested and the work site is restored — soil compacted, concrete patched, and landscaping disturbed minimally.
What's Included with Water Line Repair
Main Line Leak Detection
Electronic detection to precisely locate buried main line leaks.
Main Line Repair
Targeted repair of leaks and joint failures in the main supply line.
Trenchless Line Replacement
New main line installed with minimal digging using pipe bursting or boring.
Branch Supply Line Repair
Interior supply line leaks pinpointed and repaired with minimal wall damage.
Pressure Testing
Full system pressure test before and after all water line work.
Main Shutoff Valve Replacement
Main shutoff valve and meter valve replacement when needed.
Southern California's Trusted Water Line Repair Specialists Since 2000
C-36 Licensed
License #0784091 issued by the California CSLB. You can verify it at any time. We are fully licensed for all residential and commercial plumbing.
25+ Years in Business
Founded in 2000 by Joseph Romero, America's Plumbing has been serving Southern California homeowners for over 25 years — same owner, same values.
Upfront Flat Pricing
You get a written price before we touch anything. No hourly billing surprises. No charges for work you didn't approve. What we quote is what you pay.
Written Warranty
All workmanship is backed by a written warranty. If something we repaired fails due to our work, we come back and fix it at no charge.
Common Questions About Water Line Repair & Replacement
How do I know if my main water line is leaking?
Signs include wet or unusually green spots in your yard above the line path, low pressure throughout the house, the sound of running water when nothing is on, and a water meter that moves when all fixtures are closed.
What is trenchless water line replacement?
Trenchless replacement uses pipe bursting or directional boring to install a new water line with only small access holes at each end rather than a full excavation trench.
What material should a new main water line be made of?
HDPE and copper are both excellent choices. HDPE is flexible, corrosion-resistant, and well-suited for trenchless installation. Copper is time-tested and long-lasting for traditional open-cut installation.
How long does main water line replacement take?
Trenchless replacement typically takes 1 day. Traditional open-cut replacement depends on line length but is usually 1–2 days.
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