A burst pipe in a Boston home — whether it's a triple-decker in Dorchester, a condo in Brookline, or a colonial in Dedham — follows a predictable pattern. The pipe fails, usually during a January or February cold snap. Water starts moving fast. And most homeowners freeze, not knowing what to do first.
What you do in the first hour determines whether this is a $4,000 repair or a $20,000 gut job. Here's exactly what to do.
Step 1: Find the shutoff and turn it off — right now
Every other step in this list is secondary to this one. Water you can't stop keeps spreading. It moves through subfloor, into wall cavities, under flooring, into the unit below you.
For a single-family or condo with its own water supply: find the main shutoff valve — usually in the basement, utility room, or crawlspace near where the water main enters the building. Turn it clockwise until it stops.
For a multi-family or condo building where you share water service: call your building super or property manager immediately. Every minute you spend looking for a phone number is water spreading further.
If the pipe is on a specific fixture — under a sink, behind a toilet, near an appliance — there's usually an inline shutoff valve right at that fixture. Turn it before you try to find the main.
Step 2: Don't clean up yet — document first
This is the mistake that kills insurance claims. The condition of your space when we arrive determines what we can document for your carrier. Adjusters approve claims based on evidence. If you've mopped the floor, moved the furniture, and thrown away the wet drywall before anyone documents it, you've already undermined your own case.
Take photos before you touch anything. Every room. Every affected surface. Standing water, ceiling stains, buckled flooring, soaked insulation if you can see it. Video is even better. Timestamp everything.
Then call us. We'll document the damage properly with moisture readings, photos, and a scope that your adjuster can actually use.
Step 3: Don't run fans or open windows yet
This one surprises people. The instinct is to dry everything out as fast as possible. But without proper moisture mapping, running fans can push moisture into adjacent materials — wall cavities, subfloor, structural framing — that weren't yet saturated. This expands the scope of damage without you realizing it.
Commercial drying equipment used by a restoration contractor works very differently than a box fan. It draws moisture out of materials at a rate that doesn't push it sideways. Let us set it up properly.
Step 4: Call before you call your insurance company
Call your contractor first. This isn't about delaying your claim — it's about doing it right. Your contractor's documentation becomes the evidence your adjuster works from. If we arrive before cleanup and before the carrier, we can build a complete picture of what happened and what it costs to fix it correctly.
When you do call your insurance company, you'll be reporting a documented loss with photos, moisture readings, and a scope — not just describing a problem from memory.
Dealing with a burst pipe in Greater Boston right now?
What happens in the 24–72 hours after a burst pipe
Here's the timeline that makes this urgent. Water doesn't just sit where you can see it.
- Within hours: Water is behind your drywall and in your wall cavities
- 24 hours: Insulation is soaking, subfloor is saturated in affected areas
- 48–72 hours: Framing is wet, mold conditions are forming
- Beyond 72 hours: Mold growth is likely, scope of damage increases significantly
Every hour you wait adds square footage to the job and complexity to the claim. Same-day response isn't about urgency for its own sake — it's about limiting the total damage.
Boston winters and burst pipes — why they happen and what buildings are most at risk
Burst pipes in Greater Boston peak in January and February during multi-day cold snaps when temperatures stay well below freezing. The pipes most at risk are exterior walls without adequate insulation, pipes running through unheated spaces like attic crawlspaces and garage ceilings, and older buildings in Dorchester, Roxbury, and Jamaica Plain where the pipe insulation hasn't been updated in decades.
Triple-deckers are particularly vulnerable because the top-floor units often have pipes running through poorly insulated attic spaces. If you've had a pipe freeze before, that's a warning sign — a pipe that has frozen once will fail eventually.
What to expect from the insurance claim
Burst pipes are covered under most standard Massachusetts homeowners policies as "sudden and accidental" water damage. The key word is sudden — gradual leaks that developed over time are a different story and may not be covered.
Your carrier will send an adjuster. The adjuster works from documentation. The better the documentation, the more complete the approved claim. We've supplemented enough underpaid claims in Quincy, Dedham, and Brookline to know exactly what adjusters need to see to approve a full scope — and what they use to reduce it when the documentation is thin.
Call us before cleanup. That's the single most important thing you can do for your claim.