Whole House Repiping in Corona, CA

Corona homeowners need repiping for two fundamentally different reasons depending on which part of the city they live in, and understanding the difference is important because it affects the urgency, the pipe material choice, and the overall approach.

Inside Grand Boulevard — Corona's historic Circle City core — homes built from the 1910s through 1960s have original galvanized steel supply pipes that are now 60-100+ years old. These pipes are not approaching failure; they are actively failing. The zinc coating that originally protected the steel eroded decades ago, and the exposed steel has been corroding from the inside for years. The interior walls of a 70-year-old galvanized pipe are typically encrusted with rust buildup that reduces the flow diameter by 50-75%, which is why water pressure in these homes is noticeably poor — sometimes barely enough to run two fixtures simultaneously. The corroded walls also produce discolored water (rust-brown when first turned on) and eventually develop leaks as the thinned walls give way. Many Circle City homes also have early copper pipe from the 1950s-60s that is developing its own age-related pinhole leaks, and some have a patchwork of galvanized, copper, and CPVC from decades of partial repairs — a mixed-material system that accelerates corrosion at every transition point through galvanic reaction.

South Corona and the Dos Lagos area tell a different story. These homes were built in the 1990s through 2000s with copper supply lines that should have lasted 40-50 years — but Corona's extremely hard water (18-25+ grains per gallon from Corona Department of Water and Power) is destroying them at an accelerated rate. The same pitting corrosion pattern we see throughout the Inland Empire is particularly aggressive in Corona because of the exceptionally high mineral content. Copper pipes that would last 50 years in a city with normal water hardness are developing pinhole leaks after only 12-18 years in Corona. Many South Corona homeowners reach us after their second or third slab leak repair — at which point the pattern is clear and full repiping is the only solution that stops the cycle of recurring leaks.

We use PEX (cross-linked polyethylene) for the vast majority of Corona repipes. PEX is immune to both the galvanic corrosion that plagues Circle City's mixed-material systems and the mineral pitting corrosion that destroys copper in Corona's hard water. It costs less than copper, installs faster (important in the complex layouts of older Circle City homes), and has a 50+ year expected lifespan that is unaffected by water hardness. We run new PEX supply lines through the attic and walls, bypassing any under-slab pipe entirely and eliminating future slab leak risk.

Circle City repipes take 3-4 days due to the complexity of older construction — plaster walls, irregular framing, limited attic access, and the need to carefully remove decades of mixed-material plumbing. South Corona tract homes are more straightforward at 2-3 days, with consistent floor plans and modern drywall construction that is easier to access and patch. Both include full permits from the City of Corona and pass city inspection.

After repiping, we strongly recommend a water softener to protect your new PEX system, water heater, dishwasher, and other water-consuming appliances from Corona's hard water. PEX itself is immune to hard water, but your water heater and appliances are not — and the same mineral buildup that destroyed your copper pipes is accumulating in those systems as well.

Why Corona Homeowners Choose Us for Whole House Repiping

Our Whole House Repiping Process

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