Pipe Repair & Repiping
Leak repairs, galvanized pipe replacement, and whole-home repiping in PEX or copper, built to last for decades.
✓ CA C-36 Licensed & Insured
✓ Same-Day Service Available
✓ Free Estimates
✓ Owner-Operated
✓ Se Habla Español
Many homes across Greater Los Angeles were built with galvanized steel water pipe, which corrodes from the inside out. Over time, rust narrows the pipe until water pressure drops, water turns brown, and pinhole leaks start showing up inside walls and under slabs. Older copper can develop pinholes too, especially with hard water. A single leak is usually a simple repair, but when leaks keep coming back in different places, it's a sign the whole system is wearing out. That's when repiping makes more sense than paying for repair after repair. We find the source of the problem, show you what we found, and give you honest options: a targeted repair, a partial repipe of the worst sections, or a whole-home repipe. You'll get an upfront price for each before any work starts.
Why Older Los Angeles Homes Need Pipe Attention
What We Do
Leak Detection & Pipe Repair
Water stains, a running water meter, a damp wall, or a sudden spike in your water bill. We use electronic leak detection to find the leak with as little opening of walls and floors as possible, then repair the damaged section in PEX or copper. We also replace failing shutoff valves, supply lines, and fittings.
Whole-Home & Partial Repiping
For homes with galvanized pipe, repeated leaks, low pressure, or rusty water, we replace the water lines throughout the house. Partial repipes target the worst sections, like a bathroom group or the kitchen, when a full repipe isn't needed yet. We plan the route to keep wall openings small and keep you informed every step.
Main Water Line & Valve Upgrades
The line from your meter to the house and the valves that control it matter just as much. We replace leaking or corroded main water lines, install new main shutoff valves, and replace pressure regulators when your water pressure is too high or too low. If something needs upgrading, you'll get a price before we touch it.
Trusted Materials We Install
We repipe in PEX from Uponor and Viega, and Type L Copper from trusted U.S. manufacturers, along with shutoff valves and pressure regulators from Watts, Zurn, and BrassCraft. PEX is flexible, resists scale and corrosion, and installs with fewer fittings inside your walls. Copper is a proven, long-lasting option for homeowners who prefer it. We'll explain both and help you choose. Every repair and repipe is pressure-tested before the walls are closed, and we check your water pressure and every fixture before we leave.
What To Expect
Every pipe job starts with finding the real problem. We check your water pressure, inspect the visible piping, and use leak detection when there's a suspected hidden leak. Once you approve the estimate, we shut off the water, make the repair or run the new lines, and pressure-test the system to make sure every joint holds. On repipes, we protect your floors and furniture, keep wall openings as small as possible, and restore water at the end of each workday whenever we can. Small repairs usually take a few hours. Whole-home repipes typically take two to four days depending on the size of the home. We'll walk you through the plan for drywall patching before we start.
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Call or Text
Free in-home assessment scheduled same-day
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Upfront Quote
Repair, partial, or full repipe options
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Professional Install
Pressure-tested before walls are closed
Pipe Repair & Repiping Across Greater Los Angeles
Premier Flow Plumbing serves homeowners across Pasadena, San Marino, Arcadia, La Cañada Flintridge, South Pasadena, Altadena, Sierra Madre, Monrovia, San Gabriel, Alhambra, Temple City, Rosemead, Glendale, La Crescenta, and surrounding San Gabriel Valley and Greater Los Angeles communities. Whether you've got a single leak, low water pressure, or an older home with galvanized pipe, give us a call. We serve Pasadena, the San Gabriel Valley, Greater LA, the San Fernando Valley, and surrounding Southern California communities.
Frequently Asked Questions
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Common signs include repeated leaks in different spots, low water pressure throughout the house, brown or rusty water, and galvanized steel pipes, which are common in older Los Angeles homes. If you're dealing with more than one or two leaks a year, a repipe usually costs less over time than ongoing repairs.
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Both are great options. PEX is flexible, resists scale and freeze damage, needs fewer fittings, and usually costs less to install. Copper is rigid, very durable, and preferred by some homeowners. We'll explain the trade-offs for your home and let you decide.
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Most homes take two to four days, depending on size, number of bathrooms, and layout. We work to restore water at the end of each day whenever possible, so you're not without water overnight.
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Some openings are needed to run new pipe, but we plan the route to keep them as small and few as possible, often through attics, crawlspaces, and closets. We'll walk you through the drywall patching plan before work starts.
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Yes. We use electronic leak detection to narrow down the location before we open anything, so we only open the area where the leak actually is.
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In older homes, the most common cause is galvanized pipe that has rusted and narrowed on the inside. Other causes include a failing pressure regulator, a partially closed or failing main valve, or a leak. We'll test your pressure and find the cause before recommending anything.
Stop Chasing Leaks. Fix the Pipes for Good.
Get a free assessment from a licensed C-36 plumber who repairs and replaces water lines across Greater Los Angeles and Southern California. We'll find the cause, give you honest options from a single repair to a full repipe, and a flat-rate price for each. Call or fill out the form below.