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Plumbing and drainage

Find and label the home's main water shutoff

Knowing the correct shutoff can reduce water damage when a supply line fails.

Homeowner guidance with clear stop points

When it usually needs attention

One-time setup or identification guide

This is a one-time home setup fact, repeated only after plumbing changes.

When this guide applies

Applies to every plumbed home.

What to do

Confirm the main shutoff from reliable property or utility evidence, photograph it, and store the emergency contact route.

Applies when: Applies to every plumbed home.

Who should handle it: A tenant or condo resident should confirm which valve they are permitted to operate and who controls shared service.

Tools

  • Phone camera
  • Durable label if permitted

Parts and supplies

  • Property plumbing record or utility guidance

Safety gear

  • None for identification

Before you start

  • Confirm valve identity and responsibility before operation

Power, water, or fuel shutoffs

  • Do not turn an uncertain, corroded, shared, or utility-owned valve

Cleaner or chemical limits

No cleaner or lubricant is used.

Stop and get help when

  • Stop if the valve is leaking, seized, corroded, inaccessible, or not clearly identified
  • Do not enter a confined or flooded space

Who to call: Ask the utility, property manager, or qualified plumber to identify or service the valve.

Reviewed sources