7 Plumbing Emergencies That Require Immediate Attention from a Professional

A dripping faucet or a slow tub drain is annoying, but nothing gets worse overnight. Others can’t wait an hour. Water spreading across a floor soaks into drywall, cabinets and subfloor within minutes, and a gas leak or sewage backup is a health risk from the start.

The difference between a manageable repair and a major insurance claim often comes down to what happens in the first few minutes. Here are seven plumbing emergencies that need a professional right away, how to recognize each one, and what to do while you wait.

Before anything else: know your two shut-offs

Most of the damage in a plumbing emergency happens before help arrives. Two valves stop most of it.

• Main water shut-off. Usually where the water line enters the house, often near the front hose bib, in the garage, or in the meter box at the curb. Turning it clockwise stops water to the whole house.
• Gas shut-off. On the pipe next to the gas meter. A quarter turn so the valve sits crosswise to the pipe closes it. Only shut off gas if you can do it safely, and remember the utility has to turn it back on.

Find both today, while nothing is wrong. Check that the water valve actually turns. A valve that hasn’t moved in twenty years can be stuck when you need it most.

1. A burst or broken pipe

A burst pipe can put out hundreds of gallons in a short time. You’ll usually hear it or see it: water spraying under a sink, pouring from a ceiling, or soaking a wall from the inside. A sudden drop in pressure across the house, with water appearing somewhere it shouldn’t, is another sign.

Do this now: close the main water shut-off, then open a faucet at the lowest point in the house to drain the pressure. If water is near outlets or appliances, switch off power to that area at the breaker. Then call a plumber.

2. The smell of gas

Natural gas has a rotten-egg smell added so you’ll notice a leak. If you smell it near the stove, water heater, dryer or furnace, or hear hissing near a gas line, treat it as an emergency before anything else.

Do this now: don’t flip light switches, unplug anything, light a flame or use your phone inside. Get everyone out of the house. From outside, call your gas utility or 911. In most of Southern California that’s SoCalGas at 1-800-427-2200; in Long Beach and Signal Hill, Long Beach Utilities at (562) 570-2140. Once the utility has made the area safe, a licensed plumber can find and repair the leak, then pressure-test the line before the gas goes back on.

3. Sewage coming up into the house

Sewage in a shower, tub or floor drain means the main sewer line is blocked and wastewater has nowhere else to go. It often shows up after a toilet flush or a load of laundry. A strong sewer smell and gurgling drains usually come first.

This is a health hazard, not only a mess. Raw sewage carries bacteria, and anything it soaks may need professional cleaning or replacement.

Do this now: stop using all water in the house. No flushing, no showers, no dishwasher. Keep people and pets away from the affected area. A plumber will need to clear the line and, ideally, run a camera through it to find out why it blocked.

4. A water heater that’s leaking or venting

A small drip from a fitting can wait a day. Water pooling around the base of the tank, a steady stream from the relief valve, or water that’s suddenly scalding hot can’t. A leaking tank usually means the tank itself has failed. A relief valve that keeps discharging can mean the tank is overheating or the pressure is too high.

Do this now: set the gas control to Off or Pilot, or switch off the breaker on an electric unit. Close the cold-water valve on top of the tank. Keep clear of the relief valve’s discharge pipe, since that water is extremely hot. Homeowners in LA  or Orange Country can call 5 Star plumbers , whose emergency line is open around the clock and who handle water heater repair and same-day replacement.

5. A broken main water line

The main line runs from the water meter to your house. When it breaks, you might see water bubbling up through the lawn or driveway, a soggy patch that never dries, or a sudden loss of water throughout the house. Your water meter will spin fast even with every tap off.

Do this now: close the shut-off at the meter if you can reach it safely (some need a meter key). If you can’t, call your water utility. Then call a plumber. Repairing a main line usually means excavation, and it may need a permit.

6. An overflow you can’t stop

A toilet that keeps running over, or a sink or washing machine flooding the floor, becomes an emergency when the fixture’s own shut-off valve won’t close. Old valves seize, snap or leak once they’re turned.

Do this now: lift the lid off the toilet tank and pull the float up to stop the fill. If that doesn’t work, close the main water shut-off. Mop up standing water quickly, since water that sits on flooring and under baseboards is what causes lasting damage.

7. A ceiling that’s sagging or dripping

A brown stain on the ceiling is a warning. A ceiling that’s bulging, sagging or dripping is an emergency. It means water is collecting above it, from a leaking pipe, a failed shower pan or an overflowing fixture upstairs, and the drywall can give way.

Do this now: close the main water shut-off and move people, furniture and electronics out from under the area. Turn off power to that room if water is near light fixtures. Don’t poke the bulge unless you have a bucket under it and know there’s no wiring nearby. A plumber will find the source, and the drywall gets repaired once it’s dry.

What to look for in an emergency plumber

When water is on the floor, it’s tempting to call the first number you find. A few quick checks still help:

• A real person answers. At 2 a.m., a dispatcher who gives you an arrival window beats a voicemail.
• They’re licensed. California contractors can be checked in seconds on the CSLB website.
• They price the job before starting. Even in an emergency, you should hear the price before work begins, not after.
• They cover your area. Local plumbers reach you faster and know the local permit rules.

In Orange County, Target Plumbers – 24/7 emergency plumber in Orange County and LA has a dispatcher answering every line around the clock, gives an arrival window on the phone and provides a written flat-rate price before any work starts.

Emergency or can it wait?

Use this quick guide when you’re not sure.

The bottom line

Plumbing emergencies are rarely as bad as they look if you act quickly. Know where your shut-offs are, stop the water or leave the house when there’s gas, and save a licensed emergency plumber’s number in your phone before you need it. Those three habits turn most emergencies into ordinary repairs.