Whole House Repiping Temecula - Expert Repipe Specialists

What is Whole House Repiping?

Whole house repiping is the process of replacing every water supply line in your home, from the main shutoff valve to every faucet, toilet, shower, and appliance connection, with entirely new piping. It is one of the largest plumbing investments a homeowner can make, but it is also one that permanently eliminates the risk of pipe leaks, restores full water pressure, improves water quality, and adds significant resale value. For homes in the Temecula area dealing with recurring slab leaks, discolored water, or failing pipe materials, a full repipe is often the most cost-effective long-term solution.

The two material options for a repipe are copper and PEX, and understanding the difference is important for making the right choice. Copper has been the industry standard for decades. It is durable, with a 50-plus year lifespan in favorable water conditions, it has natural antimicrobial properties, and it adds premium resale value. However, copper is vulnerable to the aggressive hard water in the Inland Empire. Water at 15 to 25 grains per gallon accelerates pitting corrosion in copper, which is exactly why so many copper-piped homes in the Temecula area are now developing pinhole leaks. PEX, or cross-linked polyethylene, is a flexible plastic piping that has become the dominant choice for residential repiping in Southern California. PEX is completely resistant to corrosion and mineral buildup, it flexes slightly with ground movement instead of cracking, it resists freezing better than copper, and it costs 30 to 40 percent less to install because the flexible material requires fewer fittings and connections. For most Inland Empire homes, we recommend PEX because the hard water resistance alone extends the expected pipe lifespan by decades compared to copper.

Here is what a typical repipe looks like day by day. On day one, our team protects your floors and furniture with drop cloths, then begins opening small access points in walls, typically 4-by-4-inch squares at strategic locations where pipes change direction or connect to fixtures. We run new supply lines from the main shutoff through the walls and attic, using the path of least disruption. Where possible, we route through the attic to minimize wall cuts, especially in single-story homes. On day two, we connect all fixtures to the new piping, remove the old pipe where accessible, and pressure test the entire system at 80 PSI for a minimum of 15 minutes to verify zero leaks. We then call for city inspection. On day three, after the inspector approves the work, we patch all drywall openings with tape, mud, and a first coat of joint compound, leaving the patches ready for you to sand and paint. For a 2- to 3-bathroom home, the entire process takes 2 to 3 days. Larger homes with 4 or more bathrooms or complex layouts may take 3 to 5 days.

We handle all permits and inspections required by the city of Temecula, Murrieta, Escondido, Corona, and other local jurisdictions. You will have running water during most of the process. We only shut off the water supply for short periods, typically 30 to 60 minutes at a time, when making connections to the main line and individual fixtures. We coordinate shutoffs around your schedule so you are never without water for an extended period.

A whole house repipe is also the ideal time to address related issues. If your water heater is nearing end of life, replacing it during the repipe saves on labor since the connections are already exposed. Adding a water softener at the same time protects your brand-new pipes from the hard water that deteriorated the old ones.

Signs You Need Whole House Repiping

• Frequent pinhole leaks in copper pipes, especially in hot water lines
• Rusty, brown, or metallic-tasting water, especially when first turning on faucets
• Noticeable drop in water pressure throughout the house compared to prior years
• Pipes are galvanized steel, polybutylene, or CPVC that is over 25 years old
• You have had two or more slab leaks within a 5-year period
• Visible corrosion, green patina, or white mineral deposits on exposed copper pipes
• Home is over 25 years old with original copper plumbing and no prior repipe
• Home inspector flagged aging or deteriorating pipes during a sale or refinance

Our Whole House Repiping Process

Why Pipes Fail in the Inland Empire

Understanding why your pipes deteriorate helps you decide when a repipe makes sense and which material to choose. Galvanized steel pipes, installed in homes built before the mid-1970s, corrode from the inside out as the zinc coating wears away, exposing the bare steel to water. The interior of a galvanized pipe that has been in service for 40 or more years is typically clogged with rust scale that reduces water flow to a fraction of its original capacity. You can often see this as low water pressure that has gotten gradually worse over years, and brown or rusty water when you first turn on a faucet after a few hours of no use. Galvanized pipes in the Inland Empire's hard water conditions rarely last beyond 40 to 50 years before the flow restriction and water quality become unacceptable.

Polybutylene piping, a gray plastic pipe used in homes built from the late 1970s through the mid-1990s, is a known failure-prone material. Polybutylene reacts with oxidants in treated water, becoming brittle and cracking from the inside. Failures are often sudden and catastrophic, meaning you may have no warning signs before a pipe splits and floods your home. If your home has polybutylene piping, which you can identify by its gray color and the "PB" stamp on the pipe, we strongly recommend proactive replacement before a failure occurs.

Copper piping, the standard for homes built from the 1960s through the 2000s, is vulnerable to pitting corrosion from hard water and aggressive soil chemistry. In the Temecula area, copper pipes typically begin developing pinhole leaks after 20 to 30 years of exposure to water at 15 to 25 grains per gallon. The first sign is usually a slab leak or a pinhole leak in an exposed section of pipe. Once one leak appears, others typically follow within months to a few years because the entire system has been exposed to the same conditions for the same duration.

Installing a water softener can slow copper corrosion significantly, but if your copper pipes are already 20-plus years old and showing signs of corrosion, softening the water will not reverse existing damage. In that case, repiping with corrosion-resistant PEX and adding a water softener to protect the new pipes is the most effective combination.

Cities We Serve for Whole House Repiping

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