If water is actively flooding right now: scroll down to Step 1, do it, then come back. Don't read the whole article first.
Why the First 10 Minutes Matter
A 1/2-inch burst pipe can release over 50 gallons per minute. That's a bathtub full of water every 90 seconds, spreading through your floors, walls, and ceiling. The difference between a $2,000 repair and a $25,000 remediation project is often how fast you shut off the water.
What happens in the first hour determines most of the damage. Here's exactly what to do.
Step 1: Shut Off the Main Water Valve — Right Now
This is the only step that matters in the first 60 seconds. Everything else can wait.
In most Colorado homes, the main shutoff is:
- In the basement, near where the water line comes through the foundation wall (look for a pipe coming through the concrete with a valve on it)
- In a utility room or crawlspace, often near the water heater
- Near the water meter at the street (requires a special key tool — your water utility can shut this if you can't)
Turn it clockwise (righty-tighty) until it stops. If it's a ball valve (lever handle), turn it 90 degrees so it's perpendicular to the pipe. Water flow stops immediately.
Find Your Shutoff Before You Need It
Every adult in the household should know where the main water shutoff is and how to operate it. Walk through the house and find it today. Label it with a piece of tape. This is the single most valuable plumbing thing you can do right now.
Step 2: Turn Off the Water Heater
With the main shutoff closed, your water heater is no longer receiving cold water to replace what it heats. Running a gas or electric element against an empty tank damages it quickly. Turn the water heater off:
- Gas: turn the dial on the front from "HOT" to "PILOT" or "OFF"
- Electric: flip the water heater breaker in your electrical panel
Step 3: Cut Power to Affected Areas
Water and electricity are a dangerous combination. If water is near any of the following, cut power to that zone at the breaker before entering the area:
- Electrical outlets or switches
- The electrical panel itself
- Appliances sitting in water
- Any wiring running through a wet ceiling or wall
If you're not sure what's in the affected area, cut power to the whole floor or the whole home from the main breaker until the space can be inspected.
Step 4: Open Faucets to Drain Remaining Pressure
Even with the main shutoff closed, water remaining in the pipes will continue to drain out of the burst section. Open a few cold-water faucets at the lowest point of the home to drain what's left in the lines faster and relieve any residual pressure.
Step 5: Document Everything Before Cleanup
Before you grab towels, take photos and video of:
- The burst pipe or leak source
- All affected rooms, floors, walls, and ceilings
- Damaged belongings
- Water extent (take wide shots showing how far it's spread)
This documentation is your insurance claim. Take it before anything is cleaned up or removed — adjusters need to see the full picture.
Step 6: Start Water Removal — But Don't Wait for It to Call Us
A wet/dry vacuum, mops, and old towels slow the spread into subfloor and walls. Start removing water from the floor while you call a plumber. Don't wait until the water is gone to make the call — we're faster when you call immediately.
Step 7: Call a 24/7 Emergency Plumber
Call 303-253-7246. We answer around the clock, can typically be on-site within 1-3 hours across the Front Range, and carry the parts for most common burst pipe repairs on the truck.
What Causes Pipes to Burst in Colorado
Colorado's climate creates several specific burst-pipe risks:
Freezing — The #1 Cause in Colorado Winters
Water expands when it freezes. Pipes exposed to cold air — in uninsulated crawlspaces, exterior walls without insulation, attached garages, or outdoor hose bibs — can freeze during our hard cold snaps. The pipe doesn't burst while frozen; it usually bursts when it thaws and pressure can escape.
Risk factors in Colorado homes: uninsulated crawlspaces (very common in older Denver bungalows), pipes on exterior north-facing walls, poorly insulated garage walls, and hose bibs left connected in winter.
Corrosion in Older Homes
Homes built before the 1970s often have galvanized steel supply lines that corrode from the inside. The corrosion gradually weakens the pipe wall, and at some point — usually under pressure during high water use — it gives. Signs of impending corrosion failure: rust-colored water, reduced flow even with no obvious clog, small pinhole leaks that keep appearing in different places.
Water Hammer
When water is suddenly stopped (dishwasher valve closes, washing machine shuts off), pressure waves travel through the pipes. Over years, this hammering stresses joints and fittings. You'll hear it as banging in the walls. A plumber can install water hammer arrestors to protect the pipes.
High Water Pressure
Colorado water pressure varies significantly between neighborhoods. Homes with pressure above 80 PSI are at elevated risk of joint failure and accelerated wear. The fix — a pressure reducing valve — costs $300-$500 installed and can significantly extend your plumbing's life.
After the Emergency: What to Expect from the Repair
Most burst pipe repairs follow a predictable path:
- Emergency isolation and temporary repair to restore water service as quickly as possible
- Assessment of why it burst — was it a one-time freeze or is the whole line at risk?
- Permanent repair — section replacement, repipe of the vulnerable run, or whole-house repipe if multiple failures have occurred
- Restoration coordination — we can connect you with trusted water damage restoration companies if drywall, flooring, or insulation was affected
Typical Burst Pipe Repair Costs in Colorado
- Simple accessible section replacement: $300-$700
- Section replacement with wall access: $600-$1,500
- Whole-run repipe (e.g., to an isolated bathroom): $1,500-$4,000
- Whole-house repipe: $8,000-$20,000
Prevent the Next One
After any burst pipe repair, ask your plumber to assess the rest of the line. One freeze-damaged pipe usually means others in the same run are at risk. Insulating exposed pipe runs costs a fraction of the emergency you just had — and it's best done while we're already there.
Frequently Asked Questions
How fast can a burst pipe cause damage?
A burst pipe can release hundreds of gallons per hour. Water spreads through drywall at about 1 foot per hour, and mold can start growing in wet materials within 24-48 hours. Acting within the first 10-15 minutes dramatically reduces total damage.
Where is the main water shutoff in a Colorado home?
In most Colorado homes, the main shutoff is in the basement near where the water line enters the foundation, in a crawlspace, or in a utility room near the water heater. Find it before you need it.
Will my homeowner's insurance cover a burst pipe?
Most standard homeowner's insurance covers sudden, accidental water damage from burst pipes. They generally don't cover gradual leaks or neglect. Document everything before cleanup and contact your insurer as soon as the emergency is contained.
Need emergency help right now? Call 303-253-7246 — we answer 24 hours a day.