Vacation Water Shutoff Checklist
A water leak while you're away can run for days before anyone notices — a few minutes before you leave meaningfully reduces that risk.
Water damage that happens while you're home gets addressed within hours. Water damage that starts the day you leave for a week-long trip can run continuously the entire time you're gone — which is exactly why "away from home" scenarios account for some of the most severe water damage cases, not because the leak itself is worse, but because nothing stops it.
Before an Extended Trip
- Shut off the main water supply if you'll be away more than a few days and don't have anyone checking the house, or don't need water running for pets or plants.
- If you can't shut off the main — for instance, if someone's checking on pets — shut off individual appliance valves instead: washing machine, dishwasher, ice maker line.
- Check the water heater for any visible corrosion or wear before an extended trip, since tank failures are more consequential when no one's around to catch them early.
- In winter, don't turn the heat off entirely — see our winterizing checklist for the reasoning.
If Someone's Checking on the House
Give them a specific list of what to check, not just "check on things" — the water heater area, under sinks, behind the washing machine, and the sump pump pit are the highest-value five-minute checks.
Consider a Leak Detection Device
For situations where shutting off the main isn't practical, a water leak sensor with phone alerts (see our leak detection guide) gives you a chance to respond remotely — calling a neighbor, a property manager, or emergency services — well before you'd otherwise find out.
Frequently Asked Questions
Yes, and for trips of more than a few days without anyone checking the house, it's one of the most effective single steps you can take. Just remember to turn it back on and check for air in the lines when you return.
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