Burst Pipe Water Damage Repair

What to Do Right Now If a Pipe Just Burst

If this is happening right now, do these things in this order:

• 1. Shut off the water at the main. This is the single most important action. Every minute the water runs, the damage grows. Your main shutoff is typically where the water line enters the house, near the water heater, or at the street-side meter. Know where it is before you need it.
• 2. Shut off electricity to affected areas — but only if you can reach the panel safely and without standing in water. If in doubt, stay out and call an electrician or the fire department.
• 3. Open faucets to drain remaining water from the lines and relieve pressure.
• 4. Document everything with photos and video before you move or clean anything. This directly affects what your insurance pays.
• 5. Call for emergency water extraction. Water spreads into walls, subfloors, and cavities within minutes. Mold can start within 24 to 48 hours.

Do not wait until morning. The difference between a 1-hour response and an 8-hour response is often the difference between drying the structure and demolishing it.

Call (415) 529-5637 — 24/7, live dispatcher, 60-minute response.

How Much Damage a Burst Pipe Actually Does

People underestimate this badly. A burst half-inch supply line can release several hundred gallons per hour. A pipe that lets go at 11pm and is discovered at 7am has released thousands of gallons into your home.

That water does not politely stay where it fell:

• It travels horizontally along the top plates of walls and across subfloor before dropping down — meaning the damage appears far from the actual break.
• It wicks upward into drywall by capillary action, typically 12 to 24 inches above the water line.
• It fills wall cavities and insulation, where it is invisible and dries very slowly on its own.
• It saturates subfloor and reaches the ceiling below in multi-story homes.

This is why professional moisture mapping matters. The visible wet area is almost never the actual affected area, and drying only what you can see leaves moisture inside the structure — which is precisely how people end up with mold in a wall six weeks later.

Why Pipes Burst

• Freezing. Water expands about 9% when it freezes. In an enclosed pipe, that expansion generates enormous pressure — and the pipe usually ruptures not at the ice, but at a weak point downstream. Bay Area cold snaps catch people who assume it "does not freeze here."
• Corrosion and age. Galvanized steel pipe (common in older Bay Area homes) corrodes from the inside out over decades until the wall thins and fails.
• Water pressure too high. Municipal pressure above roughly 80 psi stresses joints and fixtures continuously.
• Water hammer. The shock wave when a valve closes fast — repeated thousands of times — fatigues joints.
• Poor installation or bad connections, especially at push-fit fittings and dissimilar metal junctions.
• Ground shifting and seismic activity — relevant in the Bay Area, and a common cause of slab leaks.

Our Burst Pipe Water Damage Process

• Emergency response. Live dispatcher 24/7, 60-minute response target across the Bay Area from our four offices.
• Water extraction. Truck-mounted and portable extraction to remove standing water and pull moisture from carpet, pad, and subfloor.
• Full moisture mapping. Moisture meters and thermal imaging locate all affected materials — including the water inside walls and under flooring you cannot see.
• Controlled demolition where needed. Saturated drywall, insulation, and carpet pad that cannot be dried in place come out.
• Structural drying. Air movers and LGR dehumidifiers placed per psychrometric calculation, monitored daily with documented readings until the structure hits IICRC S500 dry standard.
• Insurance documentation. Photos, daily moisture logs, and Xactimate estimates submitted directly to your carrier.
• Reconstruction. Drywall, flooring, paint, and cabinetry — returning the property to pre-loss condition.

Does Insurance Cover Burst Pipe Damage?

Generally yes — a burst pipe is the textbook example of a "sudden and accidental" loss, which is exactly what homeowners insurance is designed to cover. The water damage to your structure and contents is typically covered.

The nuances that matter:

• The damage is covered; the pipe often is not. Most policies pay to fix the water damage but not the failed pipe itself. That is a plumbing cost.
• Sudden vs. gradual is everything. A pipe that bursts is covered. A pipe that has been slowly weeping behind a wall for eight months is typically denied as gradual damage / lack of maintenance.
• Prompt reporting matters. Delayed reporting is a common reason claims get reduced.
• You are obligated to mitigate. Policies require you to prevent further damage. Not calling for extraction promptly can jeopardize coverage for damage that results from the delay.
• Freezing has a catch: many policies exclude freeze damage if the home was unoccupied and you failed to maintain heat or shut off and drain the water.

We document the loss thoroughly in Xactimate and submit directly to your carrier — which is what gets the full scope approved rather than a partial payment.

Frequently Asked Questions