Burst Pipe? Emergency Steps (First 10 Minutes)

A pipe can release 4 to 8 gallons of water per minute — enough to flood a room in the time it takes to find your phone. Knowing what to do when a pipe bursts is not trivia; it is the difference between a $300 repair and a $5,000 water damage claim. The plan below fits in ten minutes, and the first sixty seconds matter more than the other nine combined. Print it, stick it on the fridge, and make sure everyone in the house knows where the main shutoff valve is before they ever need it.

Minute 0–1: Shut Off the Water

Do not run to the burst pipe first. Run to the main shutoff valve. In most US homes it is where the water line enters the house — in the basement, crawl space, garage, or a utility closet — and it is either a lever-style ball valve (quarter turn to close) or a round wheel gate valve (turn clockwise several times). If you have a lever, push it so it sits perpendicular to the pipe. That one motion stops all water entering your home, and it is the single most valuable thing you will do in this emergency.

If you cannot find the main valve, or it is seized shut from years of disuse, go to the water meter at the street or on the side of the house and close the meter valve with a meter key or an adjustable wrench. Every homeowner should know both locations before a crisis. If you have never tested your main valve, test it this weekend — a valve that has not moved in a decade can be stiff, and you do not want to discover that while water is pouring through your ceiling. Our guide on how to shut off your main water valve covers every common valve type and location with photos of what to look for.

If the burst is on a single fixture — a toilet supply line, a sink hose, a washing machine hose — close the local shutoff valve behind that fixture instead. That stops the leak while leaving water available to the rest of the house. But if water is spraying and you are unsure of the source, always go for the main valve first and sort out the details later.

Minute 1–3: Kill Power and Drain Lines

Water and electricity are a dangerous pair. If water is near outlets, light fixtures, your electrical panel, or any appliance, turn off power to the affected area at the breaker panel — or turn off the main breaker if you are unsure. Never wade through standing water to reach the panel; if the panel itself is wet, stay away and call your electric utility or 911. A flooded basement with a submerged panel is a job for professionals, not a homeowner with a flashlight.

Next, drain the remaining water out of your pipes so the leak slows to a trickle. Open the cold water faucets on the lowest floor of the house, then the hot water faucets, and flush every toilet once. This relieves pressure in the system and empties the lines above the burst. If your water heater is electric, switch it off at the breaker before draining — an electric heater with an empty tank can burn out its elements in minutes. For a gas water heater, turn the gas control to pilot or off.

While the lines drain, grab your phone and take a quick video of the leak and the water damage before you start cleaning. Your insurance company will want it, and the evidence is much harder to reconstruct after the cleanup. Note the time the burst started if you know it — adjusters ask, and the answer affects the claim.

Minute 3–5: Find and Assess the Burst

With the water off and the lines draining, trace the leak to its source. Burst pipes most often fail at joints, elbows, and sections exposed to cold air — exterior walls, unheated garages, crawl spaces, attics, and under sinks on outside walls. Look for the obvious: a split along the pipe, a separated joint, or a bulge where ice expanded inside the line. In winter, the burst is often several feet from where the water appears, because water travels along the pipe and drips at the lowest point.

Check the material. Copper pipes usually split lengthwise; PEX often fails at fittings; CPVC can crack; galvanized steel rusts through at threads. The material matters because it determines the repair — a copper split can be soldered or cut out and replaced with a coupling, while a PEX failure often needs a new fitting and a crimp tool. Tell the plumber what material you have when you call; it helps them bring the right parts the first time.

Also check for a second failure. Freezing rarely bursts just one pipe — if one section froze, others in the same wall or area may be cracked too. Look for damp spots, bulging drywall, and the sound of running water behind walls. If you hear water moving with the main valve closed, the system is still draining or there is another leak. Keep looking.

Minute 5–10: Contain the Water

Now contain what is already on the floor. Towels, mops, buckets, and a wet/dry vacuum if you have one. Push water toward a floor drain, a sump pit, or out the door — anywhere it can leave the house instead of soaking into flooring and drywall. Move furniture, rugs, electronics, and boxes off the wet floor; water wicks upward into wood furniture legs and cardboard within minutes, and the damage compounds fast.

If water is coming through a ceiling, poke a small hole in the lowest point of the bulge with a screwdriver and let it drain into a bucket. It feels wrong to make a hole in your ceiling, but it is the right move: a controlled drain prevents the ceiling from collapsing under the weight of trapped water, which is far more expensive to repair. Put a bucket underneath, clear the area below, and let it drain.

Open windows and start fans if the weather allows — airflow is your best friend in the first hours. Water left standing for 24–48 hours invites mold, and mold remediation is where a burst pipe bill turns into a five-figure problem. If the flooding is extensive, call a water damage restoration company as well as a plumber; they bring industrial fans and dehumidifiers that a household fan cannot match. For a full rundown on costs, see 24/7 emergency plumbing costs.

Temporary Fixes That Hold

Once the water is off and the area is contained, a temporary repair can hold the line until the plumber arrives — and in some cases, until a scheduled repair. A pipe repair clamp, available at any hardware store for $10–$25, wraps around the split and tightens down with bolts; it is the most reliable temporary fix and can hold for days. Self-fusing silicone tape, wrapped tightly with overlapping layers and extending several inches past the split on both sides, works on small cracks and pinholes.

Epoxy putty is another solid option: knead it, press it over the split, and let it cure. It sets in about 20–30 minutes and can hold household pressure for a surprisingly long time. For a small pinhole leak, a rubber patch held with hose clamps will do. What does not work: duct tape alone, towels wrapped around the pipe, or chewing gum and hope. Those might slow a drip, but they will not hold pressure when the water comes back on.

Important: do not turn the water back on to "test" a temporary fix while the plumber is still on the way, unless you are standing at the main valve ready to shut it off instantly. A failed temporary repair with the water on can re-flood the area in seconds. Leave the water off, note what you did, and let the professional pressure-test the repair.

Calling a Plumber: What to Say

When you call, the dispatcher needs five facts: where the burst is, what pipe material you have, whether the water is off, whether there is standing water or electrical risk, and whether you have contained the leak. A clear description gets you the right technician with the right parts, which means one visit instead of two. Ask for the trip fee, the hourly rate, and the minimum billing time before you agree to dispatch, and get the estimate confirmed by text if possible.

If it is the middle of the night, say so plainly and ask whether the company charges an after-hours premium and how much. Most do — typically 1.5 to 2 times the daytime rate — and knowing that upfront avoids an ugly surprise on the invoice. For a detailed breakdown of what after-hours calls cost, see our emergency plumber cost guide. If the plumber cannot reach you for several hours, ask what you should do in the meantime; a good company will talk you through it on the phone for free.

Do not let anyone start cutting into walls before they explain the plan and the price. A burst pipe repair itself is usually straightforward — cut out the damaged section, fit a coupling or new section, test under pressure. The expensive part is access and restoration, and you should know both numbers before the saw comes out.

Burst Pipe Repair Costs in 2026

These are 2026 US averages for the plumbing repair itself; drywall, flooring, and restoration are separate. Homeowners insurance typically covers sudden and accidental water damage from a burst pipe — including the resulting damage to walls and floors — but usually not the pipe repair itself, and not damage caused by wear, neglect, or a known leak you ignored. File the claim promptly, keep every receipt, and photograph everything before cleanup.

Preventing the Next Burst

Most burst pipes are preventable, and the fixes are cheap. Insulate exposed pipes in unheated areas with foam sleeves — a few dollars per foot. On nights below 20°F, let faucets on exterior walls drip slightly and open the cabinet doors under sinks so warm air reaches the pipes. Disconnect garden hoses before the first freeze and shut off exterior faucets from inside the house, draining the line.

Keep your home heated to at least 55°F even when you travel, and have someone check the house if you are gone for more than a few days in winter. Replace aging supply lines — braided stainless steel lines last about 5–10 years — and consider a smart water shutoff valve that detects abnormal flow and closes the main automatically. A $200–$400 smart valve can prevent thousands of dollars in damage, and some insurers offer a premium discount for installing one. Finally, know your main shutoff valve location and test it twice a year. The ten minutes you spend now are worth more than any tool in your toolbox when a pipe lets go at 2 AM. If you need help right now, call (877) 762-1902.