Burst Pipe? Do These 5 Things in the First 10 Minutes

A burst pipe is one of the few home emergencies where minutes cost money. A half-inch supply line can push 6 to 12 gallons a minute into your walls, floors, and ceilings. The difference between a $500 cleanup and a $6,000 restoration is usually decided in the first ten minutes.

Stay calm. Work the steps in order. Water first, power second, everything else after.

Do these 5 things right now

1. Shut off the water. Go straight to your main shutoff valve. It's usually where the water line enters the house — near the water meter, in the basement, a crawlspace, or an outside box near the street. Turn it fully clockwise (righty-tighty). If the burst is at a single fixture (toilet, sink, washer), the local shutoff at that fixture may be faster. When in doubt, kill the main.

2. Cut power near the water. If water is near outlets, light fixtures, or your electrical panel, do not walk into standing water. Shut off the affected circuits at the breaker panel — but only if you can reach it without stepping in water. If you can't get there safely, call your utility or an electrician, and stay out of the room. Water plus electricity is a shock and fire risk.

3. Drain the lines. Open the lowest faucets in the house (basement or first floor) and flush toilets to pull the remaining water out of the pipes. This relieves pressure and stops the pipe from dripping while you work. Open outdoor spigots too if you have them.

4. Document everything for insurance. Before you clean up, take photos and video — the burst pipe, the standing water, every wet wall, floor, and damaged item. Get wide shots and close-ups. This is what your homeowners claim is built on, and restoration is often covered when the burst is "sudden and accidental."

5. Contain and mitigate, then call a pro. Move furniture and valuables out of the water. Mop, towel, and shop-vac what you can. Set up fans. Then call a licensed plumber to fix the pipe and, if the flooding is significant, a water-damage restoration company to dry the structure. Most insurers actually require you to mitigate — leaving it to soak can reduce your payout.

Why pipes burst

Knowing the cause helps you stop the next one — and tells the plumber where to look:

• Freezing. The most common winter cause. Water expands as it freezes and splits the pipe; the flood hits when it thaws. Uninsulated runs in attics, crawlspaces, garages, and exterior walls are the usual victims.
• Corrosion and age. Galvanized steel and old copper corrode from the inside. Polybutylene (gray plastic pipe from the 1980s–90s) is notorious for sudden failure.
• High water pressure. Pressure above about 80 psi stresses pipes and joints. A cheap pressure gauge on a hose bib tells you where you stand; a pressure-reducing valve fixes it.
• Water hammer. The bang when a valve shuts fast sends a shock wave that loosens joints over time.
• Physical damage. A nail or screw through a wall, or ground movement around a buried line.

A single split usually means a localized cause; multiple failures at once often point to systemic corrosion or a pressure problem worth addressing whole-house.

Insurance claim tips

Most homeowners policies cover sudden, accidental water damage — like a pipe that freezes and bursts — but not gradual leaks or long-neglected plumbing. To protect your claim:

• Document before you clean. Photos and video of the source, the standing water, and every damaged item. Keep timestamps.
• Mitigate promptly. Insurers expect you to stop the flow and start drying. Failing to mitigate can reduce your payout.
• Keep receipts for tarps, fans, a shop-vac, temporary repairs, and any emergency lodging.
• Don't throw anything out until the adjuster has seen it (or you've documented it thoroughly).
• File fast and get the plumber's written report on the cause — "sudden and accidental" is the phrase that matters.

When to DIY vs. call a pro

You can and should handle the immediate response yourself: shutting off water, draining lines, and mopping up. Those are the steps that limit damage, and no one is coming faster than you can act.

The repair is where a pro earns their fee. Call a plumber if:

• You can't find or turn the main shutoff.
• The burst is inside a wall, ceiling, or slab.
• The pipe is copper or galvanized steel (soldering and threading are not beginner jobs).
• Water reached electrical wiring or the panel.
• More than one room got wet, or water sat for more than a few hours — that's a restoration job, not a mop-up.

A short section of exposed PEX or a slip-on repair coupling is within reach for a confident DIYer as a temporary patch. But a temporary patch under household pressure can fail again. Get it done right.

What it costs

The pipe repair itself is usually the cheap part. The water damage is what runs up the bill.

| Job | Typical 2026 range | |---|---| | Emergency plumber call-out (after-hours) | $150–$500+ | | Burst pipe / section repair | $150–$1,800 | | Water damage restoration (drying, cleanup) | $1,384–$6,384 | | Drywall + flooring repair | $500–$5,000+ |

An after-hours plumber typically charges 1.5 to 3 times the normal rate. For the full picture on drying and rebuild costs, see our water damage restoration cost guide, and for the pipe fix itself, our plumbing repair cost guide. You can also estimate your local price in seconds.

Prevent the next one

Most burst pipes are preventable:

• Insulate exposed pipes in unheated areas — attics, crawlspaces, garages, exterior walls.
• Keep the house above 55°F, even when you're away in winter. Frozen water expands and splits pipes.
• Let faucets drip during hard freezes to relieve pressure.
• Replace old galvanized or polybutylene pipe before it fails. Corroded pipe bursts on its own schedule.
• Know where your main shutoff is — and make sure everyone in the house does too. Tag it.
• Install a smart leak detector near your water heater, washer, and under sinks. A $50 sensor can save a $6,000 claim.

If the burst was caused by freezing, read our frozen pipes guide to stop it from repeating.

FAQ

How much water comes out of a burst pipe? A common half-inch supply line can release 6–12 gallons per minute at household pressure. That's why shutting off the main immediately matters so much.

Will homeowners insurance cover a burst pipe? Usually, if the burst was sudden and accidental (like a freeze). Gradual leaks and long-term neglect are often excluded. Document everything and file promptly.

Can I use the water again after I shut it off? Not until the pipe is repaired or safely capped. Turning the water back on will just start the flood again.

Should I call a plumber or a restoration company first? The plumber stops the source. If more than one room flooded or water sat for hours, call a restoration company too — drying the structure prevents mold.

Is a burst pipe an emergency worth after-hours rates? If you can't stop the flow, yes. If you've shut off the main and contained it, you can often wait until morning for the repair and skip the premium.

My main shutoff valve won't turn — now what? Don't force it hard enough to break it. If it's truly seized, shut off water at the street (the curb stop, usually under a metal cover near the property line — you may need a curb key or your utility's help), and call a plumber to replace the failed valve. This is exactly why you check that valve turns freely before an emergency.

Can I turn the water back on once I patch the pipe? Only if the repair is rated for household pressure and fully cured or sealed. A temporary push-fit coupling or clamp can hold briefly, but restore pressure slowly and watch the joint. When in doubt, leave it off until a plumber signs off.

Cost figures are 2026 national averages for general information only, not quotes. Your price depends on your specific job, home, and location. Always get a written estimate before authorizing work. If water has reached electrical wiring or your panel, stay out of the area and call your utility, an electrician, or 911.