Main Water Line Replacement
We replace residential main water lines throughout the San Gabriel Valley, helping homeowners restore reliable water service with durable underground piping designed for long-term performance.

What This Service Includes
ā Locate and prepare the new water line route
ā Excavation for the new underground water line
ā Installation of the new main water line and required connections
ā Installation of shutoff valves, pressure regulators, and smart shutoff valves when included
ā Pressure testing, water service restoration, and site cleanup
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Simple 3-Step Process

Call & Consult
We'll inspect the existing water service and discuss the replacement process.
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Plan & Schedule
Once approved, we'll plan the replacement and schedule the project at a convenient time.

Install & Test
The new main water line is installed, pressure tested, and the water service is restored.
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How Main Water Line Replacement Is Handled
The best approach depends on your property's layout. We'll plan the new water line and complete the installation with attention to quality and details.
ā Experience with a variety of property layouts
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ā Reliable materials and quality components
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ā Respect for your home and work area
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ā Licensed California Plumbing Contractor #1107926
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Meet LT Ross Plumbing ā

Service Areas
We provide residential main water line replacement throughout Pasadena, Altadena, Sierra Madre, Arcadia, Monrovia, South Pasadena, and surrounding San Gabriel Valley communities.
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Completed Plumbing Projects
Real plumbing projects completed throughout the San Gabriel Valley.
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Field Notes
Your home's plumbing system begins at the street.
Things we often see during main water line replacement projects.
Ā Galvanized main water lines
Can affect water pressure, water quality, and overall plumbing performance.
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Ā A green patch of grass
May indicate an underground water line leak.
Ā Main water line replacement
Is an opportunity to improve the plumbing system, not just replace a pipe.
Ā Separate shutoff valves
Can simplify future maintenance and repairs.
Related Plumbing Services
Other residential plumbing services commonly completed alongside main water line replacement.
Discuss Your Main Water Line Project
Tell us about your project and we'll help you get started.
š Call (626) 414-4572

