Why does it sound like water is running in my walls?

Author: Prudence Greenfelder DDS  |  Last update: Thursday, July 3, 2025

Persistent sounds of water running when no fixtures are on could be indicative of a water leak. Leaks can occur in pipes, faucets, or within the walls, leading to water wastage and potential damage. If you suspect a leak, it's advisable to seek professional plumbing assistance to identify and address the issue.

Why does it sound like water in my walls?

Hearing water running in your walls can indicate several potential issues: Leaking Pipes: The most common reason is a leak in the plumbing system. This could be due to a damaged or corroded pipe, leading to water escaping and creating a sound of flowing water.

Why does my house sound like rushing water?

If you hear water running and have checked all of the usual suspects, it might be time to call a professional. Not only can you break your toilet by mistake, but you could also damage pipes and connections on your water heater. Calling a professionally licensed master plumber is your best bet.

Why does it sound like something is running in my walls?

Very likely you are hearing thermal caused movement either expansive or contractive. It can also be caused by wind load and atmospheric pressure differential inside vs outside the home. Over time, structural wood is ever so slowly drying out and shrinking.

Why is there noise in my wall when water is running?

Industry professionals refer to these banging plumbing noises in walls as “water hammers.” This noise happens when a water valve in the piping shuts off suddenly, causing the running water to slam into it. Homes built after the 1960s have water hammer arrestors that prevent water hammers from happening.

Water Noise Constantly Running in Wall

Why is there water running down my walls?

The most common cause of water ingress is a building fault or defect. Over time building materials can deteriorate. Below-standard workmanship can also lead to water ingress.

Why do I hear dripping in the wall but no water?

The dripping noise you hear could come from some sort of motion, concussion, or vibration in the pipes themselves. For instance, temperature changes that cause thermal expansion may make pipes produce tapping, ticking, or dripping noises.

Is it normal for walls to make noise?

This isn't necessarily a problem, but if it continues to happen, it might be a sign that your house's settling is causing a problem with the foundation. If you hear a vibrating noise in a wall, keep an eye out for large cracks in the walls or doors and windows that no longer open or close properly.

How do you stop noise from walls?

DIY Ways to Soundproof a Room Cheaply
  1. Bookshelves and furniture as a wall divider. ...
  2. Wooden shutters. ...
  3. Sound dampening curtains. ...
  4. Soft furnishings. ...
  5. Rugs and carpets. ...
  6. Wallcoverings and thick blankets. ...
  7. Fix loose floorboards. ...
  8. Acoustic caulk.

How long can mice live in walls?

Mice can live without water for months and without food for 1-2 weeks, but with access to both, they can live up to two years. And due to their constant reproduction, they can live in your walls indefinitely if measures aren't taken to remove them.

Why does my house sound like running water but no leak?

The sound of running water with no apparent source can often be traced back to faulty plumbing. Start by examining all valves, faucets, and toilets for signs of damage or malfunctioning. Check each valve and connection point for any indications of corrosion or deterioration.

Why do I hear water moving in my house?

Excessive or irregular water sounds may indicate potential issues within your plumbing system. Gurgling, hissing, or constant water flow noises when no fixtures are in use could be a sign of a leak, water pressure problems, or issues with the water supply line.

Why do pipes make noise when no water is running?

Air trapped inside your plumbing system can also cause pipes to knock. This usually happens when water is being drained from your system or if there is an issue with your plumbing's air chamber. Air pockets can create a knocking sound as water passes through the pipes, even when no faucets are on.

Why are my walls gurgling?

A gurgling sound typically means there is a blockage in the drain. It happens as water struggles to pass through and traps air bubbles.

What does a leak behind a wall sound like?

While some plumbing noises are common, a small but consistent drip or a new whooshing noise that originates from behind the walls may indicate a leak.

Why do I hear water in my ceiling?

After using your shower, toilet, or a water-based appliance, wastewater runs through your pipes and out of your home. As this water slowly dries out, it may drip through these pipes, creating an eerie noise below the appliance.

What to do if you hear noises in your walls?

If you think you have rats or mice, you can try to lure them out and trap them. If you don't feel comfortable setting traps or are unsure what pests are in your walls, the wisest move is to contact a qualified pest control company with wildlife removal experience.

How do you stop noise from thin walls?

You'll likely need a combination of popular soundproofing materials to get the job done right.
  1. Soundproof Blankets and Curtains. ...
  2. Rubber or Mass-Loaded Vinyl Materials. ...
  3. Acoustic Foam Panels. ...
  4. Soundproof Insulation. ...
  5. Noiseproofing Glues and Compounds. ...
  6. Stack Furniture Against the Walls. ...
  7. Cover Your Walls With Absorbent Materials.

Can a house settle after 20 years?

It is a fact that homes will settle over the years. This is perfectly normal and nothing to worry about. However, knowing when to call in a foundation repair expert will help alleviate unnecessary anxiety and worry.

When should I worry about cracks in walls?

The cracks are wide

A damaged wall would be considered severe when it's 25 millimeters or wider (2.5 centimeters or one inch) as it could be a sign of structural damage, subsidence (the sudden sinking of a house and its foundations) or something else.

Can you stop noise coming through walls?

The easiest strategy is to add a second layer of drywall to build up a thick, sound-deadening barrier. You don't have to add drywall everywhere — you can isolate the noisy room (kid's saxophone) or the quiet room (your reading nook).

How to find a water leak inside a wall without?

These include:
  1. Discoloration on Walls. One of the more obvious signs that you may have a water leak in your wall is discoloration or staining on the walls. ...
  2. Peeling Paint or Wallpaper. ...
  3. Musty Odors. ...
  4. Rising Water Bills. ...
  5. Get a Moisture Meter. ...
  6. Use an Infrared Camera. ...
  7. Cut Into Your Drywall.

Why do I hear water moving in my pipes?

The four most common causes of pipes making noise when water is turned on, toilets are flushed, and water is drained include pressure issues, the air in pipes, clogs or obstructions, and loose components.

Can you hear a water leak in the wall?

If you can't see any obvious signs of a water leak, you can listen for running water. Water leaks can sometimes be heard through walls or floors.

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