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How Do You Protect a Vacant Home From Water Damage?

Last updated October 23, 2026

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The short answer

Shut off and Drain the Water System

The most effective single step is to shut off the main water valve. This prevents a burst pipe or appliance leak from flooding the home while you are away. If the home will be vacant through a freeze, you should also drain the plumbing lines. This involves opening faucets and flushing toilets to clear water from pipes, water heaters, and appliance supply lines.

Arrange for Regular Property Checks

A vacant home needs eyes on it. Arrange for a neighbor, friend, or property manager to inspect both the interior and exterior at least once a week. They should look for signs of leaks, pooling water, or storm damage. Give them your contact information and the number for local water damage pros so they know who to call if they discover a problem.

Prevent Exterior Water Intrusion

Exterior maintenance is crucial for a vacant property. Clean gutters and downspouts so rain can flow away from the house. Ensure the soil grade slopes away from the foundation to prevent flooding in low-lying areas. Trim tree branches away from the roof to minimize damage from storms. These steps help direct water away from your home's structure.

  • Inspect and repair roof shingles or flashing before leaving.
  • Ensure all window and door seals are intact to keep driven rain out.
  • Clear debris from yard drains and catch basins.
  • Direct downspout extensions at least five feet from the foundation.
  • Check that window wells have covers if applicable.
  • Secure or store outdoor items that could block drainage during a storm.

Manage Indoor Humidity and Appliances

Even with the water off, humidity can cause problems. Set the thermostat to a reasonable level to prevent condensation, typically between 55 and 80 degrees Fahrenheit. Unplug non-essential appliances like washing machines and dishwashers, and consider turning off their supply valves. Leave interior doors and cabinet doors open to promote air circulation and prevent musty odors from developing in stagnant spaces.

Prepare for an Emergency Response

Despite your best efforts, leaks can happen. Post emergency contact numbers inside the home, including your own. Make sure your checker knows where the main water valve and electrical panel are. Quick action to stop water and begin drying minimizes damage and repair costs.

  • Leave a key with your property checker for emergency access.
  • Know the location of the main water shutoff valve.
  • Post the phone number for a trusted plumber.
  • Ensure your insurance policy information is accessible.
  • Consider installing a Wi-Fi water leak detector for alerts.
  • Have a plan for who will authorize repairs if you are unreachable.

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Frequently asked questions

Should I turn off the water heater if my home is vacant?

Yes, you should turn off the water heater. For electric models, switch it off at the breaker. For gas, turn the dial to 'pilot' or 'off'. This saves energy and prevents issues if the unit leaks. If you drain the home's plumbing, draining the water heater is also a recommended step to prevent sediment buildup.

How often should someone check a vacant house?

Aim for a visual inspection at least once a week. Checks should be more frequent during seasons with severe weather, like after heavy rain or storms. The checker should look in utility areas, under sinks, and around appliances for moisture. Immediate reporting of any issue is critical to prevent a small leak from becoming major damage.

What should I do if I find water damage upon returning?

First, stop the water source at the main shutoff valve if it is still active. Then, contact local water damage pros for an assessment and drying. Take photos of the damage and any leaking appliance for your records. You should also contact your insurance company to report the incident. Policies vary, and your insurer decides what is covered.

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