Every Homeowner Must Know Their Main Valve Location
In a major water disaster, searching frantically for a shut-off valve while water cascades down your stairs can cost thousands of dollars in avoidable damage. Your main water shutoff valve controls all municipal water entering your residence. Depending on your home's construction and regional climate, this valve is typically located in one of three primary spots:
- Basement or Crawlspace: In colder climates, look near the foundation wall on the side facing the street.
- Interior Utility Closet: In slab-on-grade homes, it is often adjacent to the water heater or laundry connection.
- Exterior Ground Box (Curb Stop): Near the street boundary inside an iron or plastic meter box, requiring a specialized water meter curb key.
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