Residential Copper Main Water Line Replacement — Pasadena, CA
This project involved replacing a deteriorating residential main water line with a new copper service line to restore reliable water flow and long-term system performance.
Project Overview
ā Location: Pasadena, CA
ā Contractor: Altadena Handyman LLC
ā License: CA Plumbing Contractor #1025813
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The existing main water line had reached the end of its service life and was no longer providing consistent water pressure to the home.
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A full replacement was recommended to improve reliability, stabilize system pressure, and ensure compliance with current plumbing standards.
Project Photos
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Scope of Work
Main Water Line Replacement
ā Accessed and removed the existing main water service line
ā Installed a new residential copper water service line using code-compliant materials
ā Routed the new line to the home with proper depth and protection
ā Installed a new main shut-off valve for reliable control
ā Added pressure regulation components to stabilize system pressure
ā Pressure tested the system to verify proper operation
Site Restoration
ā Backfilled and compacted disturbed areas
ā Restored affected surfaces for a clean, finished result
ā Removed excess materials and debris from the site
Project Results
The completed main water line replacement delivered immediate improvements in system performance and reliability.
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ā Stable and consistent water pressure throughout the home
ā Reliable main shut-off access for maintenance and emergencies
ā Reduced risk of leaks and future line failure
ā Modern, code-compliant copper installation designed for long-term use
ā Clean exterior finish with no unfinished or exposed components
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The home now has a dependable main water connection designed to perform safely and efficiently for years to come.
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Planning a Similar Project?
If you’re planning a residential main water line replacement, the entire project can be handled under one license — from excavation and installation to pressure testing and final site restoration.