The main water shutoff is the valve used to stop water from entering a home. It is typically located near where the water service enters the structure, sometimes with an additional valve at the water meter.
Knowing the general location of the main water shutoff matters because water leaks can escalate quickly. The ability to stop water flow can reduce damage while further evaluation or repairs are arranged.
This topic is about awareness rather than operation. Keeping access clear and understanding its general purpose supports preparedness in unexpected situations.
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Inspector Howe provides general educational information only. Content is not a substitute for professional inspection, engineering, legal, or code compliance services.