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Where is my main water shut off valve?

Updated: Mar 31, 2023

As a homeowner, it's important to know how to find your water shut off valve. In the event of a leak or other plumbing emergency, being able to quickly turn off the water supply can prevent costly water damage to your home. It's important to learn where your water shut off valve is before an emergency happens. In this blog post, we'll cover the basics of finding your residential water shut off valve.

  • Check the Front of Your House

In many cases, the main water shut off valve is located at the front of your home, near the water meter. Look for a metal or plastic cover that may have the word "water" or "meter" on it. Remove the cover to access the water meter and look for a valve nearby. The valve may be a wheel, lever or knob. Remember: lefty-loosey, righty-tighty.



  • Check the Crawl Space

If you have a crawl space under your home, the main water shut off valve may be located there. Look for a pipe that comes out of the ground and into your home. Follow the pipe until you find a valve. The valve may be near the foundation wall or near the point where the water enters your home.

  • Check the Basement

If you liv in a home that has a basement, the main water shut off valve may be located there. Look for a pipe that comes out of the ground and into your home. Follow the pipe until you find a valve. The valve may be located near the foundation wall, near the point where the water enters your home, or near the water heater.

  • Check the Utility Room

If you have a utility room in your home, the main water shut off valve may be located there. Look for a valve near the point where the water enters your home. The valve may be located near the water heater or near the washing machine hookups.

  • Ask a Professional

If you are unable to locate the main water shut off valve on your own, it's best to call a professional, licensed plumber like EAMS Plumbing. Our plumbers can help you locate the valve and provide advice on how to shut off the water supply in the event of a leak or burst pipe. Call or text 916-479-3109 for a free on-sight inspection.


It's important to know where the main water shut off valve is located for your home. By following the steps above, you can locate the valve and be prepared in the event of an emergency. Remember to shut off the valve in the event of a leak or burst pipe to prevent water damage and conserve this valuable resource.

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