Leak Detection Service in Gretna, LA
When you suspect a hidden plumbing leak in your Gretna home or business, Serrano’s Plumbing Services is ready to help. We provide professional leak detection in Gretna for homeowners, rental properties, restaurants, shops, offices, historic homes, and light commercial buildings dealing with high water bills, wet floors, ceiling stains, water under cabinets, soft yard areas, slab leak concerns, dripping walls, low water pressure, running meters, and unexplained moisture. Whether the property is near Old Gretna, Huey P. Long Avenue, Lafayette Street, Stumpf Boulevard, Westbank Expressway, Terry Parkway, the Mississippi River side, or a nearby Westbank neighborhood, our goal is to identify the likely source, explain your options clearly, provide flat-rate pricing, and help protect the property from ongoing water damage.






Why Gretna Customers Choose Serrano’s Plumbing Services for Leak Detection
Careful diagnostics, flat-rate pricing, whole home inspections, and repair options that make sense
Hidden leaks in Gretna can be harder to track down because water may be moving behind walls, under cabinets, below flooring, around older fixtures, near shutoff valves, inside commercial restrooms, or through underground piping before the source is obvious. Gretna has historic homes, older plumbing, Westbank commercial buildings, restaurants, offices, rentals, and river-side properties where leak symptoms can show up in different ways. A high water bill in Old Gretna may not have the same cause as water under a sink near Terry Parkway, a wet floor near Huey P. Long Avenue, or a yard leak near the Westbank Expressway. Serrano’s Plumbing Services takes a careful diagnostic approach so customers understand what is happening before approving repairs. We provide flat-rate pricing, whole home plumbing inspection options, and 2-year warranty options on qualifying repair work.

Leak Detection Services in Gretna, LA
Finding hidden leaks, fixture leaks, slab leaks, yard leaks, and water line concerns
Serrano’s Plumbing Services provides leak detection for Gretna homes and businesses dealing with unexplained water usage, wet spots, soft flooring, wall stains, ceiling stains, water near the foundation, damp cabinets, dripping fixtures, low water pressure, running meters, and possible underground leaks. Leak detection is about narrowing down the source before unnecessary damage continues. The issue may be connected to a water line, fixture, toilet, supply line, shutoff valve, water heater, slab piping, hose bibb, or underground service line. We help identify the likely cause and explain the next step clearly.

Common Leak Problems in Gretna
High water bills, hidden moisture, slab leaks, yard leaks, and fixture leaks
Common leak problems in Gretna include high water bills, water stains, damp cabinets, wet flooring, low water pressure, meter movement, leaking supply lines, toilet leaks, water heater leaks, hose bibb leaks, and yard areas that stay wet. In older or historic properties, leaks can also connect to aging plumbing connections, old shutoff valves, worn supply lines, older fixtures, corroded fittings, or previous repairs that did not solve the actual cause. Serrano’s Plumbing Services helps Gretna customers identify whether the issue is isolated to one fixture or connected to a larger plumbing concern.

Emergency Leak Detection in Gretna
Fast help when an active leak threatens your property
A leak can become an emergency when water is actively damaging flooring, cabinets, walls, ceilings, or the area around the foundation. Emergency leak situations may include a burst supply line, leaking shutoff valve, water heater leak, slab leak concern, water surfacing in the yard, or a hidden leak that forces the water to be shut off. Serrano’s Plumbing Services provides emergency plumbing help in Gretna when leak concerns need urgent attention. We help locate the likely source, protect the property, explain the repair options, and provide flat-rate pricing before approved work begins.

Signs You May Have a Hidden Plumbing Leak
Small leak symptoms can point to a larger issue behind the surface
You may need leak detection in Gretna if your water bill increases without a clear reason, your meter moves when everything is off, water pressure drops, cabinets smell musty, flooring feels soft, drywall stains appear, toilets refill on their own, water collects near the foundation, or one part of the yard stays wet. A hidden leak may start small but continue causing damage until it is found and repaired. Serrano’s Plumbing Services helps diagnose the issue carefully so customers know whether the leak is connected to a fixture, pipe, valve, water line, slab, or underground plumbing problem.

Leak Detection for Homes and Businesses
Residential and light commercial leak detection across Gretna
Serrano’s Plumbing Services provides leak detection for residential and light commercial customers throughout Gretna. Homes need dependable plumbing for bathrooms, kitchens, laundry rooms, water heaters, hose bibbs, outdoor faucets, and everyday water use. Businesses need reliable plumbing for restrooms, hand sinks, kitchens, cleaning areas, break rooms, and daily operations. Whether the issue is in an older home near Old Gretna, a rental near Terry Parkway, a restaurant near Huey P. Long Avenue, a shop near Lafayette Street, or a business near the Westbank Expressway, we provide professional leak detection with clear communication and clean workmanship.

Slab Leak and Foundation-Area Leak Concerns
Water near the slab, floor, or foundation should be checked quickly
Some Gretna leak concerns show up near the slab, under flooring, around the foundation, or close to walls instead of at a visible pipe. You may notice damp flooring, water near the base of a wall, pressure loss, meter movement, soft flooring, or unexplained moisture around the property. Slab and foundation-area leaks should be checked quickly because hidden water can damage flooring, cabinets, walls, and nearby rooms over time. Serrano’s Plumbing Services helps determine whether the issue may be connected to a pressurized water line, fixture connection, drain line, or another plumbing source so the next step is based on the actual problem.

Yard Leak and Underground Water Line Detection
Finding private water line leaks before they cause more damage
A private water line leak may appear as wet grass, soft soil, water near the meter, water close to the driveway, unusually green patches, low pressure, or a meter that keeps moving when fixtures are off. In Gretna, heavy rain, older water lines, mature trees, slab foundations, and Westbank soil conditions can make underground leaks harder to recognize until the ground becomes saturated. Serrano’s Plumbing Services helps identify whether a yard leak may be connected to the private water service line, a fitting, a hose bibb, an irrigation tie-in, or another plumbing concern and explains repair options clearly.

Flat-Rate Leak Detection and Whole Home Plumbing Inspections
Clear pricing and a broader look at your plumbing system
Serrano’s Plumbing Services provides flat-rate pricing for approved leak detection and plumbing repair work so Gretna customers know what to expect before work begins. We also offer whole home plumbing inspection options because a hidden leak can reveal related concerns, such as old shutoff valves, worn toilet parts, leaking faucets, water heater problems, high water pressure, aging supply lines, or underground water line issues. Our goal is to find the leak concern, explain the repair clearly, and help customers understand the overall condition of their plumbing system.


Related Plumbing Services in Gretna
Helpful plumbing services for homes and businesses in Gretna
If you are dealing with a plumbing problem in Gretna, the issue may connect to more than one part of the plumbing system. A leak may point to a water line, fixture, or hidden pipe concern, a clogged drain may connect to a sewer line issue, and toilet, faucet, water heater, or emergency plumbing problems can affect the whole property if they are not handled correctly. Use the related plumbing service links below to find the right Gretna plumbing service, or visit the South Shore regional parent pages for broader service coverage across the area.
Related Plumbing Services in Gretna
• Gretna Emergency Plumber
• Gretna Drain Cleaning
• Gretna Water Heater Services
• Gretna Water Line Repair
• Gretna Sewer Line Repair
• Gretna Toilet Repair
• Gretna Faucet and Fixture Repair
Regional Parent Page

Serving Gretna and Nearby South Shore Areas
Leak detection backed by dependable South Shore plumbing coverage
Serrano’s Plumbing Services provides leak detection in Gretna and nearby South Shore communities. Gretna includes historic homes, older neighborhoods, slab properties, restaurants, offices, retail spaces, rental homes, and busy Westbank corridors where plumbing leak conditions can vary by age, pipe material, water pressure, soil moisture, and property layout. Whether the issue is in Old Gretna, near Huey P. Long Avenue, Terry Parkway, Lafayette Street, Stumpf Boulevard, or the Westbank Expressway, we help diagnose the likely source and protect the property from ongoing water damage.
Serving to the Highest Degree
Olivia BroussardTrustindex verifies that the original source of the review is Google. Awesome job! I am super pleased with how fast the service call was (especially living in Hammond), the repairs on my garbage disposal, the fix on my toilet, and how thorough the cleanup was. The caulking that was initially missing from my shower fixtures and toilet now is a pleasing sight to see! He made sure to do a thorough inspection of other aspects of the plumbing in my home to ensure everything was working and looking great! On top of it all: super friendly and courteous! 100% recommend Serrano's! S AllemandTrustindex verifies that the original source of the review is Google. Couldn’t have asked for better service in a very stressful, dangerous situation with a gas leak. The customer service and communication was top-notch. Hard to find that these days! Sandra TassinTrustindex verifies that the original source of the review is Google. On Sunday, 03/01/2026, Joshua with Serrano’s Plumbing came to my home in LaPlace, LA, to check my hot water heater which was not heating the water. He quickly diagnosed the problem and informed me that the thermostat on the hot water heater had stopped working. Due to the age of the hot water heater, Joshua recommended that it be replaced because it would cost just as much to repair it. Several options and price points were offered and I chose to let Serrano’s Plumbing install a new hot water heater. Joshua came back on Monday and had the new hot water heater installed and operating in no time. Serrano’s Plumbing is very professional and does quality work and I will call on them for any future plumbing issues that I may have. SHAWN TASSINTrustindex verifies that the original source of the review is Google. Joshua with Serrano’s Plumbing came out to my home in LaPlace, LA on Sunday, 03/02/2026 to fix a drainage problem. Arrived when promised and within no time, the drain pipe that the washing machine drained into was cleaned out and no longer backing up and overflowing. Excellent service and affordable. Will be calling Serrano’s Plumbing for my future plumbing needs. Eric MarstellerTrustindex verifies that the original source of the review is Google. Joshua came to our home in Mid-City and replaced our tankless hot water heater and replaced a toilet. He was timely, efficient, and reasonable with his proposed work. Very hard worker. And the installs look great. He takes a lot of pride in his work. Will definitely use him again if the need arises. Shawn PaulTrustindex verifies that the original source of the review is Google. Outstanding service! The technician came out to fix two clogged bathtubs and exceeded our expectations. He was courteous, thorough, and made sure everything was working properly before leaving. It’s such a relief to have the problem completely resolved. Highly recommend! JUMPSTARTD EtienneTrustindex verifies that the original source of the review is Google. Serrano plumbing services, is the best plumbing in New Orleans and Chalmette, They unclogged both of the bathtubs. troymfjordanTrustindex verifies that the original source of the review is Google. Thank you for the amazing job on the bath tub it’s been long overdue and we reach appreciate the beautiful help. Kattie LouTrustindex verifies that the original source of the review is Google. I called Serrano's Plumbing Services and they responded immediately. Joshua showed up on the time we agreed to and when he got there, I was having issues with my faucet dripping. He did a whole home inspection while he was here to make sure that my plumbing system was in tiptop shape! He explained to me what causes fixtures to fail prematurely, and when he got to my water heater, that thing was 20 years old, and I didn't even realize! So he gave me some solutions to get the things that he found taken care of and to get my water quality back up to the way it was when I first bought this house 25 years ago. The installation went smoothly and he was clean and after he left, it was like he was never here! I will definitely be calling Serrano's Plumbing Services back for all my plumbing needs because Joshua did a fantastic job for me! Best plumber in Hammond, hands-down! Highly recommend!
Gretna Leak Detection Questions
Here are some common questions Gretna homeowners and businesses ask when they are dealing with hidden leaks, high water bills, wet floors, slab leak concerns, yard leaks, or possible underground plumbing problems.
Do you provide leak detection in Gretna, LA?
Yes. Serrano’s Plumbing Services provides leak detection in Gretna, LA for hidden water leaks, slab leak concerns, yard leaks, high water bills, fixture leaks, water line leaks, and unexplained moisture problems.
Can older homes have hidden plumbing leaks?
Yes. Older homes may have aging shutoff valves, worn supply lines, older fixtures, corroded fittings, or hidden pipe issues that can lead to leaks behind walls, under sinks, or near flooring.
What are signs of a hidden plumbing leak?
Common signs include high water bills, meter movement when fixtures are off, wet floors, musty smells, water stains, soft drywall, low water pressure, damp cabinets, wet yard areas, or water near the foundation.
Do you offer flat-rate pricing for leak detection and repairs?
Yes. Serrano’s Plumbing Services provides flat-rate pricing for approved leak detection and plumbing repair work so customers know the cost before work begins.
Do you offer whole home plumbing inspections?
Yes. Whole home plumbing inspection options are available and can help identify related issues like worn valves, leaking fixtures, toilet problems, water heater concerns, high water pressure, and aging plumbing connections.
Our Leak Detection Work in Gretna
Professional service, careful diagnostics, and plumbing repairs done right
Our Work section gives Gretna customers a closer look at the quality behind Serrano’s Plumbing Services. Leak detection is not just about finding water. It is about protecting the property, identifying the likely source, and helping customers make the right repair decision. From hidden water leaks and slab leak concerns to yard leaks, fixture leaks, high water bills, and water damage concerns, we focus on careful diagnostics, flat-rate pricing, clean workmanship, and professional service.
Schedule Leak Detection in Gretna Today
If you need leak detection in Gretna, LA, Serrano’s Plumbing Services is ready to help. Whether you are dealing with a high water bill, hidden leak, wet floor, slab leak concern, yard leak, water near the foundation, leaking fixture, running meter, or possible underground water line problem, we provide honest diagnostics, flat-rate pricing, whole home plumbing inspection options, and dependable workmanship with 2-year warranty options available on qualifying repairs.




