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Water on the Laundry Room Floor? Washer, Hose or Hidden Pipe

By the Murrieta Leak Pros team ·

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Water on the laundry room floor is easy to blame on the washer. But in many Murrieta homes the laundry sits next to the garage, the water heater and the main supply lines. The water could be coming from any of them. Call (951) 299-3473 any time.

If the floor keeps getting wet with no clear source, our water leak detection in Murrieta visit checks the wall box, the lines and the slab with thermal and acoustic tools.

What are the 6 common sources?

Water on a laundry floor usually comes from 6 places: the washer fill hoses, the drain hose or standpipe, the washer itself, the valve box in the wall, a nearby water heater, or a supply line in the wall or under the slab. Each one leaks at a different time, which is how you tell them apart.

When the floor gets wetLikely source
While the washer fillsFill hose or hose washer
While the washer drainsDrain hose or standpipe overflow
At the front during a washDoor seal or too much soap
Behind the washer, washer offValve box or pipe in the wall
Away from the washerWater heater or slab leak
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Graphic of a paper towel test that finds the source of a laundry room leak in Murrieta
Graphic of a paper towel test that finds the source of a laundry room leak in Murrieta

How do you run the paper towel test?

  1. Dry the floor fully, including under and behind the washer if you can reach.
  2. Lay paper towels in a ring around the washer and along the wall.
  3. Leave the washer off for 2 hours. Check the towels.
  4. If they are dry, run a short cycle and check the towels during fill, wash and drain.
  5. Write down when and where they got wet.

Wet towels with the washer off point to the wall box, the water heater or a hidden pipe. That is when a water meter leak test helps confirm a pressure leak.

Which sources are easy to fix?

Hoses and drain problems are usually simple. Rubber fill hoses should be replaced about every 5 years, and braided steel hoses last longer. A standpipe that overflows is usually partly clogged or the hose is pushed in too far. These are quick fixes. Leaks inside the wall box, in the wall or under the slab need to be found before anything is opened.

Appliance hoses are a common cause across the house. Our guide to appliance water line leaks covers the fridge and dishwasher too.

Have a leak? Don’t wait for it to get worse.

Our technicians are standing by 24/7 with the equipment to find your leak fast. No unnecessary digging, no guesswork.

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When is it a slab leak?

It may be a slab leak if the floor is wet with everything off, the floor feels warm, the meter leak dial moves, or the baseboards stay damp. Most Murrieta homes are built on concrete slabs, and the laundry supply lines often run under them. Our slab leak detection service finds the spot so only a small area of floor is opened.

What does it cost?

Water leak detection in Murrieta usually costs about $200 to $550, and slab leak detection about $250 to $650. Repairs start from about $300 and depend on the fix. You get the price before any work starts. For homes in Temecula, we offer the same leak detection in Temecula.

Frequently asked questions

Why is there water on my laundry room floor?

Common causes are a leaking fill hose, a drain hose or standpipe that overflows, a leak in the washer, a dripping wall valve, a nearby water heater, or a pipe in the wall or under the slab.

How do I know if the washer or a pipe is leaking?

Dry the floor and leave the washer off for 2 hours. If paper towels around it stay dry, the washer or its hoses are the source. If they get wet with the washer off, a pipe or the water heater is more likely.

How often should washer hoses be replaced?

Many manufacturers suggest replacing rubber fill hoses about every 5 years, or sooner if they bulge or crack.

How much does leak detection cost in Murrieta?

Water leak detection usually costs about $200 to $550 and slab leak detection about $250 to $650. You get the price before work starts.

Prices are approximate estimates for planning. Your final price depends on your property and is confirmed before work begins.

Where can I get help with this in Murrieta?

Murrieta Leak Pros offers Water Leak Detection, Slab Leak Detection. We serve every Murrieta neighborhood:

We also serve Temecula, Menifee, Wildomar, Lake Elsinore, Winchester, French Valley, Canyon Lake, Hemet and Sun City. See all service areas →

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