How to Shut Off Your Water Main in Santa Rosa

Knowing how to shut off your water main is one of the most important things a Santa Rosa homeowner can know. A burst pipe, a severe leak, or a plumbing emergency can cause thousands of dollars in water damage within minutes. Shutting off the water main immediately stops the flow and gives you time to call a licensed plumber. Here is exactly how to do it.

Where Is the Water Main Shutoff in Santa Rosa Homes?

In most Santa Rosa homes the main water shutoff valve is located in one of these places:

• Near the street — Look for a metal or plastic cover in your front yard or sidewalk. This is the municipal shutoff and requires a special tool to operate. Do not use this unless instructed by your water company.
• In the garage — Most Santa Rosa homes built after 1980 have the shutoff valve on the wall near where the water line enters the garage.
• In a utility closet or crawl space — Older homes in Santa Rosa’s historic neighborhoods often have the shutoff in a utility closet, basement, or crawl space near the front of the house.
• Outside along the side of the house — Some Sonoma County properties have the shutoff valve in a box on the exterior wall near the water meter.

If you are not sure where your shutoff is, take 5 minutes to locate it now — before an emergency happens.

How to Shut Off Your Water Main — Step by Step

Step 1 — Find the main shutoff valve
Locate the valve using the guide above. It will look like either a round wheel handle or a lever handle. Both do the same job.

Step 2 — Turn the valve

• Round wheel handle — Turn clockwise (right) until it stops. This is the traditional gate valve found in older Santa Rosa homes.
• Lever handle — Turn the lever so it is perpendicular (at a 90-degree angle) to the pipe. This is the ball valve found in newer homes.

Step 3 — Confirm the water is off
Turn on a faucet anywhere in the house. If only a trickle comes out and then stops — the water is off. If water continues flowing, the valve may not be fully closed or may need replacing.

What to Do After Shutting Off the Water

Once the water is off:

1. Call a licensed plumber immediately — (707) 322-9873
2. Open a faucet on the lowest floor to drain remaining water from the pipes
3. Take photos of any visible damage for your insurance claim
4. Do not turn the water back on until the leak or burst pipe has been repaired

When You Cannot Find or Operate the Shutoff Valve

If your shutoff valve is corroded, stuck, or missing — this is actually a common problem in older Santa Rosa homes. Do not force it. Forcing a corroded valve can break it completely and make the situation worse.

Call Dejusto Plumbing at (707) 322-9873 immediately. We carry the tools to access and operate emergency shutoffs and can replace a faulty main shutoff valve on the same visit.