Irvine Slab Leak Repair
In Irvine’s first-built villages, a warm patch on the tile or a water bill creeping up is usually aging in-slab copper, not your imagination. Irvine slab leak repair begins by locating the failing line without breaking concrete, then reroutes it overhead in PEX instead of cutting the floor to patch one spot.
- 60-min response window
- Overhead PEX reroute on aged copper
- Tile & flooring untouched
- CSLB License #920054
Worth saying up front: we focus on slab and water-line work. Pool and spa leaks, irrigation lines, and natural-gas lines aren’t ours. Anything in the slab, under the foundation, or in a wall feeding a fixture is squarely what we handle.
Why slab leaks find Irvine's older villages first
Slab leaks turn up across Orange County, but Irvine’s older villages see a steady share, and it starts underfoot. Much of the city sits on the old Irvine plain, former bean and citrus ground, where clay-rich soil swells with the winter rain and shrinks through the dry summer. That seasonal movement shifts a foundation just enough to flex the copper cast inside the slab. Copper does not forgive that constant working, and in time it gives.
Age does the rest. Irvine’s first villages, University Park, Turtle Rock, Woodbridge, and Northwood, went up in the 1970s and early 1980s on copper supply lines. Forty-some years on, the inside of that pipe is pitted and thin. Because the line is buried in concrete, the leak often runs for weeks before a warm floor or a high bill gives it away. By then the water has usually found drywall and flooring.
That history shapes what we recommend. When copper this old fails in one place, the same run tends to let go again, so chasing a single pinhole with a slab cut rarely ends the problem. Worse, the concrete work itself, the sawing and breaking, can rattle a neighboring pipe into its own leak. We would rather bypass the bad section entirely: cap it in the floor and carry a fresh PEX line through the attic. Two decades of Irvine repairs have settled that question for us.
No Callout Charge
Your service call is free. No trip charges, no surprise add-ons before we've looked at anything.
Always On Call
Nights, weekends, holidays, slab leaks don't wait. We isolate the line, cap the water, and stop the damage now.
Written Estimates
Reroute scope, in writing, with the diagnostic behind it. You see the price before any drywall opens.
Six slab jobs we handle weekly across 92602 & 92620
Six versions of the same underlying job, sorted by what we actually find under the floor. The constant across all of them: the slab stays closed. Which one your house needs is what the diagnostic settles, and what the written quote reflects.
Slab Leak Detection
Before a single tile moves, we trace the leak by ear and by pressure: an acoustic sensor walked along the line, a gauge to confirm it's losing water, and a thermal pass when a hot-side leak warrants it. The output is a named line, not a hole in your floor.
- Hot versus cold side pinned down first
- Sound traced through the pipe, not the slab
- Thermal only when a hot line calls for it
Overhead PEX Reroute
On a confirmed in-slab leak this is what we recommend. The buried line is capped and left in place, and a fresh PEX-A run is carried up the wall and through the attic to replace it. Your flooring is never opened, and the rest of the aged run stops being a liability.
- Two modest drywall openings, nothing more
- Fresh PEX-A routed through the attic
- Pressure-tested, with a workmanship warranty
Accessible Spot Repair
Some leaks never reach the slab at all. When the failure is at a reachable angle stop, a water-heater hookup, or inside a wall feeding one fixture, we swap the bad section the same day, no rerouting required.
- Failed fitting or section replaced in place
- Owner picks copper or PEX for the swap
- Verified under pressure before we close up
Hot-Side Slab Diagnosis
In Irvine's older-village copper, the hot line is usually first to go, hot water works the pipe harder over the decades. We check the hot side early so the diagnosis lands on the real culprit instead of an exploratory dig.
- Cold inlet closed at the heater to split sides
- Hot run confirmed by ear before we commit
- Thermal used only to back up the read
Whole-House PEX Repipe
Once a home in one of Irvine's 1970s and 1980s villages is on its second or third slab leak, patching line by line stops paying off. A full PEX-A repipe, run overhead with the slab left shut, replaces the tired copper in one coordinated job.
- Both hot and cold lines remade in PEX-A
- Phased over a few days to keep water on
- Incoming pressure checked and corrected
Insurance Claim Assistance
A slab leak is one of the most thoroughly documented claims a homeowner ever files, and the paperwork is where they stall. We put the file together, the cause of loss, the locating evidence, the scope, and hand the carrier what it needs to move.
- Sudden-and-accidental cause of loss written up
- Reroute justified for the adjuster
- Carrier billed directly where it applies
How an Irvine slab leak gets found before any concrete moves.
Plenty of homeowners expect the truck to roll up with a jackhammer and a best guess. We don't operate that way. An Irvine slab leak is worked through six electronic steps that open at the water meter and close on one clear finding, hot line or cold, with a spot-repair-or-reroute call attached.
Drywall and concrete stay shut until that finding is in hand. Pinpointing the failed line first is exactly what keeps the job to one small access cut instead of a wrecked floor.
The meter test
The water meter is the first stop, before any tool is unloaded. With the house shut down to the last fixture, the dial ought to be motionless. Movement means water is slipping out of the system somewhere.
Inside or outside the slab?
We then shut the main at the house. A dial that goes still says the leak is inside, in or beneath the slab; a dial that keeps turning sends us to the service line between meter and house, a separate fix from a slab leak.
Hot side or cold side?
Closing the cold inlet at the heater splits the question. A signal that backs off marks a hot-line leak; one that stays put marks the cold. We don't read a warm floor as proof, because a hot line doesn't always heat the surface over it, so the acoustics make the call.
Acoustic locating through the piping
The listening happens on the pipe rather than the floor, at open shutoffs, the heater, and runs we can reach. The slab deadens sound regardless. The aim isn't a chalk X for digging, it's pinning down the failed line so the patch-or-bypass choice is obvious.
Pressure-test confirmation
A gauge on a hose bib with the main shut fills in the rest. A continued drop proves the leak is active on its own, separate from the listening, and shows roughly how quickly the line is bleeding.
Thermal imaging when it helps
On a hot-side leak beneath tile or wood, a thermal sweep adds a second opinion. We use it to back up what we've already heard, not by routine, and most jobs never call for it.
Why cutting an Irvine slab loses to rerouting it.
Every Irvine slab leak we handle is rerouted overhead through the attic, not chased with a patch through the concrete. We lay out the why for each homeowner before a tool comes out.
It comes down to two things. First, once one length of buried copper has gone, the rest of that run is on the clock, so a single patch is seldom the end of it. Second, the demolition, a concrete saw, hammer shock, a pipe bumped in the open, can set off the very next leak. The bargain option ends up the costly one.
New line, run above the slab
New PEX goes up a wall, over the ceiling joists, and back down to the fixture, while the dead line stays in the slab, capped for good. No saw, no shock to the surrounding pipe, no disruption to the rest of the run.
Cutting concrete to patch in place
Open the slab for one patch on tired copper and every remaining foot of that run is left untouched and still aging. The next leak usually shows on the same line, and the demo can jar pipe nearby.
Reroute the failing line overhead
For any pipe failure under the concrete, hot or coldRerouting retires the failing under-slab stretch: new PEX-A travels through the walls and attic while the old copper is abandoned in the concrete. With no water moving through it, the leak is over. The case for it is structural, not about looks:
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It clears the whole at-risk line One failed length of old in-slab copper means the next length is close behind, so a reroute swaps out the entire vulnerable run, not just the spot you caught.
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It keeps shock away from good pipe Saws and hammers push vibration through the slab; a patch can cure one leak and seed another a few feet on. A reroute drops that risk.
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It spares the finishes Everything runs through two small drywall cuts, so no flooring is lifted, no slab is re-poured, and no trim or carpentry has to be rebuilt.
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It can carry a warranty New PEX comes with a real parts-and-labor warranty; a patch on worn copper does not, and no honest plumber will pretend it does.
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It suits post-tension slabs Irvine's newer-village foundations on post-tension cable can't be cut at all, so a reroute is the only defensible route, and we treat older conventional slabs the same.
Accessible spot repair
When the leak is NOT in the slabThere's a single case for a spot repair: the leak was never in the slab. It sits where we can reach it without touching concrete, and the diagnostic nearly always shows that from the start.
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At an open shutoff or angle stop, beneath a sink, behind a toilet, at the laundry box Out with the failed fitting, in with the new, finished.
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At the water-heater hookup, a flex line, a dielectric union, or the inlet, all exposed and repairable without cutting into anything.
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Within a reachable wall, a pinhole behind drywall feeding a fixture rather than buried under the slab One modest cut, a section swap, a patch.
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Never through the slab If the diagnostic places the leak in concrete, the concrete stays closed and we reroute, whatever the price tag.
When a plumber wants to open your slab to patch a single spot of old copper, get a second opinion. Neither the cost nor the structural odds tend to favor it.
Our thanks to the people who keep Irvine running..
A 5% discount (up to $200 off) for first responders, military, healthcare, teachers, seniors, and nonprofit staff serving Irvine and Orange County. Mention "Community Heroes" when you call our Irvine dispatch; we'll take care of the rest.
Applies to repairs over $500. Cannot be combined with other promotions. Proof of eligibility may be requested at the time of service.
Slab coverage across Irvine, village by village.
Dispatch runs out of our Irvine Boulevard office, and since the trucks are already inside the city, reaching a slab leak from Northwood down to Quail Hill is a short hop rather than a cross-town haul. The 60-minute window holds day or night.
Irvine Office
Irvine, CA 92602
The Irvine villages we cover for slab work
This is the regular Irvine rotation. Close by but not listed? Odds are we still cover you, so pick up the phone and check.
Slab leak specialists serving Irvine since 2008.
Cali's Choice
Leak detection and slab leak specialists serving Irvine and Orange County.
Slab leaks repaired in 92602 & 92620
Spot repairs and overhead reroutes across Irvine, combined.
California License
C-36 Plumbing classification. Bonded & insured statewide.
Leak detection
Free when we do the slab repair.
What Irvine homeowners say about our slab leak work.
Real reviews from Irvine homeowners, posted to our Google Business Profile.
I want to personally thank Sergio and Levi for a masterful, well-done job. I had a slab leak. They tied in new 3/4-inch PEX instead of running it all the way from the water heater, and replaced an 8-foot span of copper. They were detail oriented, insulated the PEX, and carefully cut and saved the ceiling sheet rock so it could be reused. I will use this company and them again.
Sergio and Levi came out after I suspected a slab leak, and sure enough they confirmed it. They did an amazing job re-piping my entire house and finished much faster than expected. Very professional and courteous. I will only use them for my future plumbing needs.
Awesome service from John and his guys. We had a slab leak. It was detected and the repair scheduled ASAP. John and son were very respectful and left things clean. Also, fairly priced.
Your slab-leak claim, run by us.
A slab leak with water damage is one of the heaviest-documented claims an HO-3 policy ever takes on. Adjusters want what most homeowners can't readily pull together: sudden-and-accidental cause of loss in writing, a scope of loss itemized line by line, photographs of the failed segment itself. Miss a piece and the file drags for weeks as the damage widens.
That’s why we carry the slab-leak claim from open to close. Not an invoice tossed your way, the entire process.
- Cause of loss on paper. Sudden-and-accidental phrasing, the line that went (hot or cold), the build year, and the pipe material, set down the way carriers want to see it.
- A documented photo set. The locating data, the access point, the failed copper, and the damage around it, every frame time-stamped, labeled, and in order.
- An itemized scope. Spot repair or reroute, broken out line by line, with the diagnostic logic alongside it.
- The back-and-forth with the carrier. We speak to the adjuster directly, field the questions, and forward more proof whenever it’s asked for.
- A defended reroute. Carriers will often approve a slab spot-repair on sight and challenge a reroute on old copper; we lay out why the reroute is right, diagnostic in hand.
The real cost of an Irvine slab leak repair.
Straight answer: an exact Irvine slab leak repair cost can't come off a web page. One job to the next swings by roughly three times depending on what we uncover, a single line or two, one story or two, an open attic or a finished one. What we can do now is lay out what sets a reroute's price, so the written quote makes sense the moment you read it.
What raises or lowers a slab job
How much line gets rerouted
A lone hot run from the heater to one wing is the everyday job. Multi-line reroutes and a full PEX repipe climb from there.
The pipe's age and condition
A 1970s or 1980s copper run that fails once usually signals the rest of the line is close behind, which can lift the job from a single-line reroute to a whole repipe.
Run length and getting into the attic
The distance the new line covers and how workable the attic is together drive the hours. A single-story Irvine home is generally quick; two stories under a finished attic run longer.
Count of access openings
Most reroutes take two small drywall cuts; a harder route might want a third. The patch and texture match are written into the quote.
Damage that beat us there
If the leak already soaked drywall or flooring, the dry-out and restoration are a separate scope, which we document for the insurance claim.
How would a slab leak actually show itself in my house?
A few tells repeat: a patch of floor that runs warm for no reason (a hot-side line), a water bill that climbs while your habits don’t, the hush of running water when every tap is off, or a meter that keeps ticking after you’ve shut the house down. Spot one of those and it’s worth a look.
If I think it's a slab leak, how soon can you be out?
Within the hour across Irvine, day or night. We run from the Irvine Boulevard office, so Northwood and Orchard Hills are minutes away and the Woodbridge and University Park side is a short drive. We confirm it really is a slab leak before anyone talks about repairs.
Does fixing it mean jackhammering my floor?
No. We leave the slab sealed. When a buried line fails we run fresh PEX overhead through the attic and cap the old copper in the concrete, so the work is two small drywall openings rather than a torn-up floor, with no demo shaking the rest of the run loose.
Our Turtle Rock house has now had two slab leaks. Is the whole system suspect?
Not the whole house, but probably that whole run. In Irvine’s older villages the copper is the same age end to end, so a second failure on one line usually means we reroute that entire line overhead instead of waiting for a third. Other runs we leave alone unless the diagnostic says otherwise.
When does a leak get a quick patch instead of a reroute?
Only when it isn’t in the slab at all. A leak at an exposed angle stop, a water-heater connection, or inside a reachable wall we repair on the spot. Anything actually buried in the concrete gets a reroute, because patching aged in-slab copper tends to set up the next break a few feet over.
We're in a newer Great Park home on a post-tension slab. Does that matter for the fix?
It rules out cutting entirely, which is fine, because we don’t cut slabs anyway. Post-tension foundations should never be cored, so newer tracts like Cypress Village, Portola Springs, and the Great Park neighborhoods get the same overhead reroute we’d use on a conventional slab.
Will my policy pay for a slab leak?
Usually the damage, not the pipe. A typical HO-3 policy covers the water damage a slab leak causes, the soaked flooring, drywall, and dry-out, but leaves the line repair itself to you. We document both sides cleanly for the adjuster. The insurance section above shows how we run the claim.
How do you pin down the leak if you're not opening the slab?
We start at the meter to prove water is escaping, isolate hot from cold at the heater, then listen along the pipe at exposed shutoffs and reachable runs rather than through the slab, which only deadens the sound. A pressure test confirms the line, and on a hot-side leak under tile a thermal scan backs it up. Nothing opens until we’ve named the failure.
Does slab work in Irvine need a City permit?
It depends on the scope. Larger reroutes and full repipes are usually permitted through the City of Irvine building department, while a single-section or like-for-like repair often isn’t. We work out which yours is and tell you up front, including what the permit runs.
Can you bill the slab repair to my carrier directly?
For most major carriers serving Irvine, yes. We submit the scope of loss, work the claim with your adjuster, and bill the covered portion straight to them. You handle the deductible and we manage the rest of the paperwork.
Irvine slab leak? A local crew is 60 minutes out, any hour.
Local technician. Local truck. Written quote, spot-repair vs. reroute, before we touch a thing. If we can't help, we'll tell you who can.
3943 Irvine Blvd, Ste 419 · Irvine, CA 92602 · CSLB #920054