Daniel's Plumbing & Son

LOCATING LEAKS BENEATH CONCRETE

Slab Leak Detection Long Beach

A leak under concrete is hard to deal with because you can’t simply look at the pipe and see what failed. Daniel’s Plumbing & Son provides Slab Leak Detection in Long Beach for homeowners, landlords, property managers, multifamily properties, and commercial buildings where water loss, warm flooring, moisture, or pressure changes suggest a hidden leak beneath the slab.

The goal is to narrow down where the water is escaping before flooring or concrete is opened. Once the suspected section is located, you can make a repair decision based on evidence instead of guessing where the pipe runs or how much of the property needs to be disturbed.

Explore our complete Long Beach plumbing services.

For non-slab plumbing issues, pipe inspections, or fixture leaks, view our full range of leak detection services in Long Beach.

WARNING SIGNS

Warning Signs That May Point to a Slab Leak

Under-slab leaks can stay hidden while the symptoms show up somewhere else in the property.

01

A warm area on the floor may be connected to a leaking hot-water line beneath the slab. Damp flooring, moisture near baseboards, or water appearing without a visible fixture leak can also be reasons to investigate.

02

Some customers first notice the problem on their water bill. If normal water use hasn't changed but consumption keeps rising, hidden water loss may be one possible cause.

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You may also hear water moving when fixtures and appliances are off or notice that water pressure isn't what it used to be. A meter that continues registering flow when known water-using fixtures are off can provide another clue, although it doesn't show exactly where the leak is located.

04

One symptom by itself doesn't prove the pipe beneath the slab has failed. The plumbing needs to be checked before that conclusion is made.

SLAB LEAK DETECTION SERVICES

Slab Leak Detection Options and System Considerations

Daniel’s Plumbing & Son reviews the existing system, reported symptoms, property conditions, and accessible connections before explaining which service approach fits the situation.

Hot-Water Line Under a Slab

A warm or hot section of flooring is one of the more recognizable signs customers associate with slab leaks. When a hot-water line beneath concrete develops a leak, escaping heated water may affect the temperature of the floor above it. The location where you feel warmth can provide useful information, but it isn’t enough by itself to determine exactly where the damaged pipe sits. Aging piping and shifting soil under the slab, along with local soil conditions, can contribute to these leaks. Daniel’s Plumbing & Son reviews the symptoms and uses appropriate diagnostic methods to narrow the suspected location. Whether you’re in Bixby Knolls, Belmont Shore and Naples, or another part of Long Beach, the idea is the same: identify the likely affected section before anyone starts opening finished flooring or concrete.

Cold-Water and Main Supply Leaks Beneath Concrete

Not every slab leak creates a warm floor. Cold-water or main supply piping can also leak below a concrete slab. These problems may show up through unexplained water use, damp areas, pressure changes, the sound of running water when fixtures aren’t running, or even running water you seem to hear with everything off, and a water meter test can help confirm a leak by checking the flow indicator while fixtures are shut off; in some cases they can escalate into emergency plumbing situations in Long Beach if left unaddressed. Electronic pressure testing can isolate plumbing lines and measure pressure to help confirm the leak. Because there may be no temperature difference to follow, the investigation relies on the overall plumbing symptoms and diagnostic testing to diagnose the issue. This is one reason simply opening the floor where moisture appears can lead to the wrong area. Water may move beneath or around the slab before it becomes visible.

REPAIR SOLUTION

Slab Leak Repair Solutions in Long Beach

Once a leak is accurately pinpointed beneath your concrete foundation, Daniel’s Plumbing & Son provides clear repair options based on the location, age, and condition of your piping:

Spot Repair (Direct Pipe Access)

Focus: Opening a small, targeted area of the concrete slab directly over the leak to repair or replace the damaged pipe section. Ideal for isolated leaks on newer plumbing systems. In some cases, the best way to fix the problem is under-slab repiping, which replaces damaged pipes directly beneath the foundation rather than handling only a small isolated repair.

Pipe Rerouting (Above-Slab Bypass)

Focus: Running a new water line through walls or ceilings to bypass the broken pipe under the concrete altogether. Best when breaking the floor/flooring is undesirable or the pipe under the slab is severely degraded.

Trenchless Pipe Lining or Epoxy Restoration

Focus: Restoring existing lines from within without major concrete excavation when structural conditions permit.

Marked concrete slab area for a kitchen drain line leak investigation in Bellflower, CA

THE SERVICE VISIT

How Slab Leak Detection Works

01

Slab leak detection begins with information about what has changed at the property.

Confirm the Symptoms

The plumber reviews water use, pressure changes, moisture, floor temperature differences, and meter behavior. Tell Daniel's Plumbing & Son where you've noticed dampness or warmth and when it first appeared. If the water bill changed, pressure dropped, or you began hearing water sounds around the same time, mention that as well. Past plumbing work matters too. Previous slab leaks, pipe repairs, repiping, or foundation work can provide useful context when the current problem is being investigated.

02

Narrow the Suspected Leak Location

The plumbing system is then checked using appropriate diagnostic methods and equipment to reduce the area where the water loss appears to be occurring. Non-invasive leak detection may use acoustic listening devices and infrared imaging to narrow the leak location accurately. The purpose of this step is to narrow the affected section without immediately opening large areas of flooring or concrete. That distinction matters. Slab Leak detection identifies where the problem is likely located. Repair planning comes afterward.

03

Decide What Should Happen Next

Once the suspected leak has been located, Daniel’s Plumbing & Son can discuss the next step. Depending on what is found, that may mean evaluating professional slab leak repair options, rerouting the affected line, or considering broader repiping. Finding a slab leak does not automatically mean the whole property needs new piping. The repair decision depends on the location of the leak, the condition and history of the plumbing, what the diagnosis shows, and the necessary repairs.

LONG BEACH PROPERTIES

Slab Leak Detection for Homes, Rentals, and Businesses

Single-family homes and townhomes built on slab foundations can develop hidden leaks beneath the concrete.

01

Slab Leak Detection for Long Beach Homes

A homeowner around Downtown Long Beach may first notice a higher-than-usual water bill, since increased water bills can suggest a hidden slab leak and lead to higher repair costs, while someone near Alamitos Beach may find damp flooring or hear water running with every fixture turned off. In Bixby Knolls, the first clue could be a warm patch of floor that wasn’t there before. The symptom can vary from property to property. The purpose of the inspection is to determine whether the plumbing beneath the slab is actually the source. Daniel’s Plumbing & Son has a Long Beach location at 1370 Redondo Ave, Long Beach, CA 90804, and serves homes throughout the city and nearby communities.

Slab Leak Detection for Rentals and Multifamily Properties

Slab Leak Detection for Rentals and Multifamily Properties

Rental and Multifamily Properties

A hidden leak can become harder to track in apartments and multifamily buildings because water may appear away from the unit or piping where it started. Landlords and property managers should note which units have moisture, pressure changes, unusual water sounds, or other symptoms. If several occupants have noticed changes, share that information when scheduling. Properties around Zaferia or the East Village Arts District may have different layouts from a single-family house, so access and piping configuration can affect how the problem is investigated. Previous repair records are also useful when available. A history of slab leaks or rerouted piping can help the plumber understand what has already been changed.

03

Commercial Slab Leak Detection

Commercial properties can also have water lines routed beneath concrete floors. Restaurants, retail spaces, offices, and other buildings may first notice unexplained water use, damp flooring, pressure changes, or water appearing in areas without an obvious fixture problem. For a business, unnecessary demolition can create its own disruption. Narrowing down the suspected leak before planning the repair helps keep the decision focused on the actual affected area and can be coordinated with broader commercial plumbing services for Long Beach businesses. Daniel’s Plumbing & Son also serves Carson, Lakewood, Seal Beach, Palos Verdes Estates, Bellflower, and nearby communities through its broader Southern California plumbing service areas.

FOCUSED DIAGNOSIS

Will the Concrete Have to Be Broken Just to Find the Leak?

This is one of the biggest concerns customers have, and for good reason. Opening concrete before the leak has been narrowed down can create damage in an area that turns out not to contain the failed section. Slab leak detection is meant to reduce that guesswork. Daniel’s Plumbing & Son uses appropriate diagnostic methods to narrow the location before a repair plan is made. Whether the final repair requires access through concrete depends on what is found and which repair approach is later selected. Detection itself is focused on finding the likely source first.

Spot Repair, Rerouting, or Repiping?

Locating the leak answers one question. Deciding how to repair it is a separate decision. A localized repair may be worth evaluating when the problem is limited to one identifiable section. In another situation, rerouting the affected line may be discussed. Broader repiping may become part of the conversation when the plumbing history or condition suggests a larger piping issue, but it should not be treated as the automatic result of finding one slab leak. If you’re worried that slab leak detection will immediately turn into a large repiping recommendation, ask what the diagnosis shows, why that option is being discussed, and how it may help reduce future leaks. If broader repiping is recommended, the plumber should explain the scope, the reason, and that many repiping jobs are completed in one to two days depending on the property.

Exposed copper water lines beneath an opened concrete slab during slab leak repair

TRUST AND PROOF

Licensed Long Beach Plumbing Service Built on Integrity Since 1991

Daniel’s Plumbing & Son has served customers since 1991 and operates under contractor license #672432, providing residential and commercial plumbing services across Southern California. For slab leak detection, the work follows a practical sequence: review the symptoms, narrow the suspected leak location, and then discuss the repair choices that fit what was found. That gives you a clearer basis for deciding whether the next step should involve a localized repair, rerouting, or a larger piping project.

Daniel’s Plumbing & Son serves customers under California contractor license #672432.

Daniel’s Plumbing & Son brings:

REVIEWS

What Long Beach Customers Say About Daniel’s Plumbing & Son

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Just John
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So I come back from a trip days ago. I come back to a shower head that rumbles. Submit a maintenance request and then we are given the amazing opportunity to meet Rich and his team member. I cannot exaggerate this but they literally tackle it within minutes. All while being very kind and respectful which is always appreciated. No more rumbling shower head and less headaches for my family and I. Thank you Rich. Hopefully if we have future problems we get to have you on the Job!!
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Brad profile picture
Brad
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Rich was great - on time, friendly, worked quickly, and did a great job!
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J Outwater
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Stand up guys who responded quickly and did a high quality repair. You can trust them.
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Jerry Simpkins
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Happy with service very professional, quick, and efficient cleaned up after work was completed.
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Dr. “DrDownstrum” Downstrum
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Very professional. Guy arrived, made the job look easy, and left me appreciative. Thank you for the service.
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Nelly G
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Prompt friendly service from Rich
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Katie Desmond profile picture
Katie Desmond
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A friend referred us to Rich from Daniel’s Plumbing and Son. They came right away and solved all the issues we were having. Communication was clear. We will be calling them the next time we need a job done.
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Dulce Romero profile picture
Dulce Romero
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Rich did an awesome job fixing a couple issues at my place, with zero hesitation. Its great seeing someone who knows how to take initiative and knows exactly what hes doing when it comes to his field of work its admirable and hard to come by nowadays! Him and his colleague were in and out and respectful of the house which I really appreciated as well. Great work!
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Solares Cabrera
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Rich did a great job. Unclogged both bathtubs and diagnosed and fixed one of the toilets. All of this within the span of half an hour. This expedited service was amazing. I highly recommend giving them a try for your plumbing needs.

How It Works

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1

Contact

Call us or fill the form.

2

Schedule

Book a time that works.

3

Inspect

Pro on-site evaluation

4

Review

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5

Complete

Job done to perfection.

SERVICE AREAS

Slab Leak Detection Service Areas Near Long Beach

Service is available throughout Long Beach, including Downtown, Belmont Shore and Naples, Bixby Knolls, Alamitos Beach, the East Village Arts District, and Zaferia, as well as Carson, Lakewood, Seal Beach, Palos Verdes Estates, and Bellflower.

Call (562) 577-5249 or submit the property address to confirm service availability.

SLAB LEAK DETECTION FAQ

Long Beach Slab Leak Detection Questions

Answers to common questions about concealed water leaks, meter movement, access, and preparing for an inspection.

REQUEST Long Beach SERVICE

When you call, mention any moisture, warm spots, or water meter movement you’ve noticed, along with any cracks in walls or baseboards, since shifting from water erosion under the slab can cause them. Also mention any visible cracks in the foundation, as they can indicate plumbing issues under the slab.

No. A warm area can be a useful clue when a hot-water line is suspected, but it does not prove the source by itself. The plumbing still needs to be checked.

The confirmed process focuses on narrowing the location using diagnostic methods before repair planning. Whether concrete needs to be opened later depends on the location and repair approach.

Not automatically. Once the leak is located, Daniel’s Plumbing & Son can evaluate whether a spot repair, rerouting, or broader repiping should be considered.

Note any warm or damp floor areas, unusual water sounds, pressure changes, rising water use, or meter movement. Share any history of previous slab leaks, pipe repairs, repiping, or foundation work as well.

REQUEST Long Beach SERVICE

Schedule Slab Leak Detection in Long Beach

You don’t need to know which pipe is leaking before you call. Tell Daniel’s Plumbing & Son what changed, where you’ve noticed moisture, warmth, damp spots, or visible damage, and whether your water use or pressure has changed. Contact our expert customer support representatives today to schedule a thorough, mess-free inspection of your entire plumbing system. Unchecked slab leaks can lead to water damage and mold growth. Once the suspected location is narrowed down, you can decide on the next repair step without starting with unnecessary demolition. Homeowners should also check with their insurance company to see whether their insurance policy may cover related damage and claims.