Frozen & Burst Pipe Water Removal in Boston, MA

A burst pipe can put hundreds of gallons into your home before you notice, and Boston's deep New England winters make it one of the most common emergencies of the year. Pipes in basements, crawl spaces, attics, exterior walls, and unheated triple-decker units freeze, split, and let go, the way they did across the region during the brutal cold snaps and the 2015 and 2018 deep freezes. The good news is this is usually clean water, so fast action saves more of the home. Shut your water off at the main, then call. A local crew extracts the water and dries the structure before it wicks into your walls and floors.

Find the shutoff before you need it

The single best thing you can do for a burst pipe is stop the flow fast. Know where your main water shutoff is now, before an emergency, and how to turn it. In many Boston homes it is in the basement near where the line enters from the street, or near the water meter. For an under-sink or toilet line, the local stop valve does the job. For a major break, the main is what counts.

Once the water is off, the damage stops growing and the cleanup can focus on what already got wet instead of chasing a moving target.

Why Boston pipes freeze and burst

Cold is the obvious reason, but the real culprits are pipes that run through unconditioned or poorly insulated space: along an exterior wall, in an unheated basement or crawl space, in the attic, or in a vacant triple-decker unit where the heat was turned down. When the water inside freezes it expands, the pressure builds, and the pipe splits, often letting go when it thaws and water flows again. Old triple-deckers and Victorians with original galvanized lines, and homes left cold during a vacation or a heating outage, are especially vulnerable.

Whatever the cause, the response is extraction and fast drying, because clean water still grows mold once it soaks into old plaster, drywall, and a closed basement in Boston's damp climate.

Extraction and drying

After the water is off, the crew extracts what pooled, then dries the structure with air movers and dehumidifiers. Cabinets, the wall cavities behind them, and the joist bays over a basement are common hiding spots for water from a burst line, so moisture meters check those areas before the job is called done.

Catch a burst pipe fast and the repair is often just drying and minor patching. Let it sit and it becomes a wall-and-floor replacement, which is why the quick shutoff and the quick call pay off.

Prevent the next freeze-burst

A few low-cost steps cut your risk through a Boston winter. Insulate pipes in the basement, crawl space, attic, garage, and along exterior walls. During a hard cold snap, let a faucet drip to relieve pressure and open cabinet doors so warm air reaches the pipes under sinks. Keep the heat on, even in a vacant unit or while traveling, and never let it drop too low. Disconnect and drain garden hoses before winter, and know where the main shutoff is. Watch the water bill for unexplained jumps that can signal a hidden leak. Stopping the water fast is the single biggest factor in how much a burst pipe costs you.

Where Boston pipes break, and why

Knowing where breaks happen helps you catch them early. Supply lines and the flexible hoses on washing machines and water heaters are frequent failure points from age or a worn connector. Pipes in attics, exterior walls, and unheated basements are the ones that freeze and burst in a hard cold snap, since older Boston construction rarely insulates for it. Triple-deckers and vintage buildings may still have galvanized lines that corrode from the inside until they leak. Any of these can flood a home fast, and all of them call for quick extraction and drying. For an active emergency at night or over a weekend, see our 24 hour cleanup page.

What the work includes

• Standing-water extraction
• Cabinet and wall-cavity drying
• Moisture detection
• Dehumidification
• Mold prevention
• Repair of affected areas