Las Vegas, home by home
The city of Las Vegas covers a large share of the Valley and almost every era of its housing. At the center are older neighborhoods built from the 1940s to the 1970s. Around them, successive rings of tract subdivisions from the 1980s and 1990s spread north, west and east. Beyond those, the planned communities of the 2000s and later reach to the edges of the city.
Henderson, North Las Vegas and Boulder City are separate cities with their own pages. Everything on this page and in its district pages concerns the city of Las Vegas itself, which includes 46 ZIP codes.
Almost all of these homes are on concrete slabs. Water lines run through the ground under the floor, rise into the walls and branch to fixtures. That arrangement is why a leak here is hidden, and why locating it takes more than looking.
Six districts, six kinds of slab
The city is easiest to understand as six districts, each defined by when and how it was built. The pages below go into the housing, ground and typical leak calls in each.
Central
The older core and the neighborhoods around it. Smaller single-story homes, long histories of repair.
East
The east side, from the older streets to the newer east-valley subdivisions. Bills and reroutes come up often.
Northwest
Large tract and planned areas from the 1990s on, with newer lines and many pools.
Summerlin & the West
The planned west, with HOAs, townhomes and a high share of pools.
Southwest
Fast-growing tracts of the 1990s and 2000s, where boom-era slabs are now old enough to leak.
Southern Valley
Newer southern communities, mostly PEX, with the HOA and access questions that go with them.
If you are not sure which district you are in, start with your ZIP code. Each district page lists its own.
Built in the boom: what is under Las Vegas slabs
The timeline above sets out the rough picture, and the detail is worth knowing. Through the 1970s, homes were generally single-story on small lots. Their lines are the oldest in the city, and many have already been repaired or replaced at some point, so the history matters as much as the age.
In the 1980s and 1990s, copper was the typical supply material, with a polybutylene era touching some builds. By the 2000s, copper still dominated, with PEX appearing in some later homes. From the 2010s, PEX became common.
Those are tendencies. Homes are repiped, rerouted and repaired, and a house may have two kinds of line. The only reliable guide is what the technician sees on site. Boom-era home slab leaks covers the decades in more depth, and polybutylene-era homes explains how a technician approaches that era without assumptions.
Las Vegas: why lines of this age start to leak
A water line under a slab works hard for a long time. It carries pressure around the clock and, on the hot side, cycles through heat daily. It sits in a trench, in contact with sand, gravel or native soil, and with the concrete above. Over decades, small things add up.
Joints can loosen as materials expand and contract. A pinhole can form where the wall has thinned. A line can wear where it rubs against concrete. None of this is dramatic. It is slow, and the first sign is often a bill that creeps up.
In Las Vegas, the water is very hard, which can leave scale inside lines and contribute to wear. See hard water and copper leaks. This site gives no hardness figures and no treatment advice.
Heat, hot lines and the warm spot
Summers in the Valley are long and hot, and slabs soak that heat up. Hot-water lines run through that environment and cycle daily from the water heater. In many boom-era homes, the hot side is where the first leak, and the second, appear.
A warm patch on the floor, in a house with no radiant heating, is a classic sign. It needs care to read, because sun and vents can warm a floor too. Warm spot on the floor explains how to check, and hot-water slab leaks explains why the hot side behaves as it does.
Caliche and the ground under the slab
Much of the city sits on caliche, a hard layer of soil bound by calcium compounds. It slows digging, changes how leaked water travels and affects how sound carries when a leak is being located.
A wet patch on the floor is a weak guide to the break here, because water can run along the hard layer and surface somewhere else. That is why a mark on the floor is built from several readings, not one. Caliche and slab leak access describes how it affects the repair.
It also tips some decisions. A leak under a built-in or tile in hard ground can make a reroute the simpler path.
The signs callers describe
Slab leak concerns in Las Vegas follow a familiar set. A bill that is higher than last year’s with no change in the household. A warm spot. A faint hiss. A heater that never stops. A meter that moves with everything off.
- A water bill that will not come down. See high water bill, hidden leak.
- Water running when everything is off. See sound of running water.
- A meter that moves with everything off. See the water meter check.
Pools and drip systems are widespread across the city, which makes the yard a frequent source of confusion. Pool, drip system or slab explains how to rule it out first.
How a leak gets found in a Las Vegas slab
The visit starts with the meter and main, then isolation of the hot and cold lines. That tells the crew which line is leaking without any digging. Pressure testing narrows it to a stretch.
Acoustic and thermal tools then place the leak. Acoustic microphones listen along the line, and thermal cameras map the heat from a hot-line leak. In hard ground, the technician cross-checks the readings more carefully, since sound behaves differently.
The result is a mark on the floor and a plain explanation of what was found. How slab leaks are found walks through each method.
Repair and replacement options in Las Vegas homes
A first leak in an open area is often a candidate for a spot repair. Spot repair opens the floor at the mark and replaces the damaged section.
Many Las Vegas homes are single-story with accessible attics, so rerouting is a practical option for repeat leaks, hot-line leaks and leaks under cabinets or tile. Reroute moves the run out of the slab.
Lining and repiping come up in some homes. For the wider picture, see slab leak repair and replacement in Nevada. Each option is explained and priced before work starts, and you decide.
When the second leak comes
A second leak in a boom-era house changes the conversation. A first leak tells you about a spot. A second tells you about the line, especially if it is on the same side or nearby.
In Las Vegas, that conversation often moves toward rerouting the hot side, or occasionally a partial repipe. Repeat slab leaks explains why, and what to bring to the call.
HOAs, townhomes and shared walls
A large share of the city is in HOA communities, and many homes are townhomes or patio homes with shared walls. A leak there raises practical questions: who to tell, how the crew gets in, what a shared wall changes.
This site makes no claim about any community’s rules. HOA and townhome slab leaks covers the practical side and suggests questions for your management office.
Turning off the main
If water is surfacing, close the main shutoff if you can reach it safely. In most Las Vegas homes it sits at the front wall near the hose bib, on the side of the house or in the garage near the water heater. Turn it clockwise until it stops.
If it is stiff, do not force a tool onto it. Call and say so. If you smell gas at any point, leave the house and call the gas utility and emergency services from outside. Emergency slab leak service covers the first ten minutes.
Pools, drip lines and the yard
More homes in Las Vegas have pools and drip irrigation than in most American cities, and that shapes the work. A pool with an auto-fill and a yard on timers can use or lose water in ways that look exactly like a slab leak on the meter.
For that reason the first checks on a call are about the yard. With irrigation off, does the meter still move? With the pool fill closed, does it stop? If the answer to either is yes, the slab is not the problem, and the crew will say so.
This service does not repair pools or irrigation. It does help you tell them apart from a slab leak, which saves a visit if the cause is outside.
Newer communities and PEX
At the edges of the city, newer communities from the 2010s on are mostly PEX. Leaks are less frequent, and when they happen they sit at fittings, risers and places where a line was damaged during building. PEX slab leaks explains how they are found.
Plastic dampens sound, so locating leans more on pressure testing and isolation. The district pages for the northwest, the south and the southwest describe how this plays out where the newest homes are.
What happens when you call
The person who answers asks where you are, what you are noticing and what the meter has done. Then the age of the house, whether it is in an HOA and whether there have been leaks before.
You are given an arrival window. Where the contractor’s schedule allows, a crew may come the same day, and calls are answered around the clock.
On site, the crew starts with the meter and main, isolates the lines, locates the leak and explains the options. Each is priced before work starts.
Neighboring cities
Henderson, North Las Vegas and Boulder City border the city and have their own pages: Henderson, North Las Vegas and Boulder City. Their ZIP codes are not part of any Las Vegas district. If you live near a boundary, check your ZIP code.
ZIP codes in the city of Las Vegas
The city of Las Vegas spans 46 ZIP codes: 89101, 89102, 89103, 89104, 89106, 89107, 89108, 89109, 89110, 89113, 89115, 89117, 89118, 89119, 89120, 89121, 89122, 89123, 89124, 89128, 89129, 89130, 89131, 89134, 89135, 89138, 89139, 89141, 89142, 89143, 89144, 89145, 89146, 89147, 89148, 89149, 89156, 89158, 89161, 89165, 89166, 89169, 89178, 89179, 89183 and 89199. Each district page lists its own share.
Smaller communities that may be of interest from here: Indian Springs and Sunrise Manor.
More guides and nearby places for Las Vegas
What to do when you find a slab leak is a calm checklist for a Las Vegas homeowner.
People in Las Vegas often ask about the places around them, so these pages may help: slab leak help in Blue Diamond, slab leak help in Enterprise, slab leak help in Laughlin, slab leak help in Mesquite, slab leak help in Moapa Valley, slab leak help in Overton, slab leak help in Paradise and slab leak help in Spring Valley.
Questions about slab leaks in Las Vegas
Why do so many Las Vegas homes have slab leaks?
+
Most were built on slabs in a few decades of rapid growth, so a large share have lines of similar age. Hard water and heat add to the wear.
Which district am I in?
+
Check your ZIP code against the six district pages. Each lists its own.
Is a warm floor spot always a leak?
+
No. Sun and vents warm floors too. The meter test and a technician’s isolation check tell you.
Could my pool or sprinkler be the cause?
+
They can mimic a slab leak. Check the meter with irrigation off and the pool fill closed first.
Will the repair mean breaking my floor?
+
Not always. A spot repair opens the floor; a reroute usually runs new line through walls and the attic.
Do you cover Henderson and North Las Vegas?
+
Yes, each has its own page, and their ZIP codes are separate from the city of Las Vegas.
What does a locating visit involve?
+
Meter and main check, isolation of hot and cold lines, pressure testing, then acoustic and thermal locating.
I rent. Who should I call?
+
Tell your landlord or property manager first, with your meter notes. Ask who arranges the crew.
Can I call about a leak after dark in Las Vegas?
+
Someone answers every call at any hour, and the contractor schedules a crew when one becomes available.