Repiping in Laguna Hills, CA
Repiping replaces worn supply pipe throughout a home, not just the section that leaked last. Call to schedule an assessment, and we explain the pipe, the options and the price before any wall is opened.
- 24/7 emergency line.
- Clear price before work starts.
- Licensed and insured.
Repiping means replacing the water supply pipes in a home with new pipe. It can be a full job covering every fixture, or a partial job covering one wing, a slab line or a single bathroom group.
People usually consider it after a second or third pinhole leak, or after noticing brown water and weak pressure at the faucets. Repairing one spot does not restore the rest of an aging line.
Signs it may be time to repipe
- More than one pinhole leak in a short span.
- Rust colored or metallic tasting water after the tap has sat.
- Pressure that falls off even though the regulator tests fine.
- Visible green corrosion or white scale on pipe and fittings.
- A home built in the late 1970s through the mid 1990s that may contain polybutylene.
A technician can look at the pipe, test pressure and tell you whether a repipe or targeted repairs is the better path.
Choosing PEX, copper or another material
| Material | Strengths | Points to weigh |
|---|---|---|
| PEX | Flexible, fewer joints, quick to install in walls | Not for outdoor exposure to sun, some fittings need access. |
| Copper | Long track record, handles heat well | Costs more, can pit in aggressive water. |
| CPVC | Lower material cost | Brittle with age, less common in new work. |
We explain how each option fits your house, the water, and the walls we would open. Local water is very hard by USGS standards, and that is a factor to discuss when choosing copper or PEX.
Tired of repeat leaks?Call to schedule a repiping assessment.
Call (949) 325-3122What hard water means for your pipes
The El Toro Water District's 2026 report lists hardness around 236 to 293 mg/L. Moulton Niguel Water District averaged about 16.65 grains per gallon in 2022. Scale from water this hard can build inside older pipe and reduce flow.
A water softener can reduce scale on new plumbing and on the water heater. It is a separate decision from the pipe material.
How a repipe runs
Assess
We inspect pipe, test pressure and mark the plan for a walkthrough.
Plan
You see the pipe route, the number of wall openings and the price.
Install
New lines go in, the old lines are capped or removed, and fixtures reconnect.
Inspect
The city inspects the work, and we test, flush and restore water.
Water is off for part of the job. We plan the work in stages so you have water at the end of each day when possible.
Before we open the walls: how to prepare
- Clear a path to the water heater, the main shutoff and every bathroom and kitchen.
- Move furniture, wall art and valuables away from walls that will be opened.
- Plan for water to be off for part of each day, and store drinking water.
- Arrange for pets and children to be elsewhere during loud work.
- Tell us about anything behind the walls, such as old repairs or hidden panels.
Permits, inspections and drywall
Repiping is normally permitted work. The Building & Safety Division at (949) 707-2600 can confirm what applies to your address, and it applies the 2025 California Building Standards Code to applications filed on or after January 1, 2026.
Plumbing work follows the California Plumbing Code, which is based on the Uniform Plumbing Code (UPC). Wall openings are patched to rough stage, and paint and finish are separate trades.
If a leak is active now, burst pipe repair and slab leak repair cover the emergency step before a repipe is planned.
Repiping questions, answered
How long does a whole house repipe take?
Many single family homes are done in two to five days, depending on size, access and inspections. We give a schedule before work starts.
Do I need to move out during a repipe?
Most people stay. Water is off for part of each day, so plan around it. We explain the schedule in advance.
PEX or copper: which is better?
Both work well. PEX is flexible and quick to install, and copper has a long track record. The choice depends on the house, the water and your budget.
Do you repipe only part of a house?
Yes. A partial repipe covers a run that keeps failing, such as the lines to one bathroom group or a slab line.
Related plumbing services
Slab Leak Repair
Electronic leak location and repair for pipes under or inside a concrete slab.
View service
Water Service Line
Repair or replacement of the underground water line between the meter and the house.
View service
Water Softener
Water softener and filtration installs based on published local hardness figures.
View serviceTired of repeat leaks?
Call to schedule a repiping assessment.