A burst pipe is a genuine emergency. In the 10–15 minutes before a plumber arrives, what you do — and what you don't do — can be the difference between a manageable repair and tens of thousands of dollars in water damage. Here's exactly what to do.
Step 1: Shut Off the Water Immediately
Find your main water shutoff valve and turn it off. In most Knoxville homes, this is:
- Inside the home: Near the water meter, often in a utility room, basement, or crawlspace access panel
- Outside: At the water meter box near the street (requires a meter key or channel-lock pliers)
Turn it clockwise (righty-tighty) until it stops. You should hear the water flow stop.
If you don't know where your shutoff is, find it now — before you need it. Walk through your home and locate it this week.
Step 2: Turn Off Your Water Heater
Once the main supply is off, turn off your water heater. If you leave the heater running without cold water supply, you can damage the tank. For a gas water heater, switch to PILOT mode. For an electric heater, switch off the breaker.
Step 3: Open Cold Water Taps to Drain the Lines
Open the cold water taps at several fixtures throughout the house. This drains the remaining water from the pipes and reduces pressure, which slows flooding at the burst location. Let them run until water stops flowing.
Step 4: Collect and Remove Standing Water
Standing water damages floors, subfloor, drywall, and insulation quickly — and promotes mold growth within 24–48 hours. Use towels, mops, a wet/dry vacuum, or a submersible pump to remove as much standing water as possible while you wait for the plumber.
Open windows if the weather permits to start the drying process.
Step 5: Document Everything for Insurance
Photograph all visible damage before cleanup begins. Include the burst pipe, standing water, water-stained walls, and damaged belongings. Your homeowner's insurance claim will be stronger with clear before-photos.
Call your insurance company's claims line — most have 24/7 numbers for water damage claims.
Step 6: Call an Emergency Plumber
Honey Bear Plumbing emergency line: (865) 284-2424 — answered around the clock.
We serve all of Greater Knoxville for burst pipe emergencies. Give us the location of the burst (if you know it), your address, and we'll dispatch.
Where Pipes Most Commonly Burst in Knoxville Homes
Frozen pipes: This is the #1 cause of burst pipes in Knoxville. Tennessee has cold winters, and homes with poorly insulated pipes in crawlspaces, exterior walls, or unheated spaces are vulnerable. Pipes freeze during sustained temperatures below 20°F — not uncommon in Knoxville in January and February.
Old galvanized supply lines: Pre-1960 Knoxville homes often have galvanized steel supply pipes that corrode from the inside out. As the pipe wall thins, it eventually fails — often at a joint or fitting.
Water hammer: Repeated pressure surges (from quickly-closing valves) can weaken pipe joints over time and cause sudden failure.
High water pressure: Residential water pressure above 80 PSI stresses all components. Knox County water pressure can run high in some areas. A pressure reducing valve (PRV) is the fix.
How to Prevent Pipes from Bursting in Knoxville
Insulate crawlspace pipes before winter. Foam pipe insulation is a few dollars per foot and straightforward to install. The crawlspace pipes are the most vulnerable in typical Knoxville construction.
Know your shutoff valve location. Every adult in the household should know where it is and how to use it.
Keep heat on when traveling in winter. Set the thermostat to at least 55°F even when the home is vacant. A burst pipe in an empty home can flood for hours before anyone notices.
Let cold water trickle during hard freezes. When temperatures are forecast below 20°F, open a faucet to a thin cold-water trickle on any line that runs through an exterior wall or unheated space. Moving water doesn't freeze.
Have older galvanized pipes inspected. If your Knoxville home is pre-1970 and has original supply lines, a plumbing inspection tells you the condition. Proactive repiping is dramatically cheaper than emergency repiping after a failure.
Frequently Asked Questions
How much does it cost to fix a burst pipe in Knoxville?
Burst pipe repair in Knoxville typically runs $300–$800 for an isolated pipe repair, not including water damage restoration. If the break is in a finished wall, add drywall repair costs. Emergency after-hours service adds $100–$250.
Does homeowner's insurance cover burst pipes?
Generally yes — sudden and accidental pipe bursts are typically covered by standard homeowner's policies. Gradual leaks from slow deterioration often aren't. Document everything and file quickly — most policies have time requirements for claims.
What happens if a pipe bursts in the wall?
Water follows the path of least resistance — it will travel along studs and through insulation before it becomes visible. If you suspect a burst in a wall, feel for wet or soft drywall and look for water staining at the baseboard. A plumber can use a moisture meter to locate the wet area before opening the wall.
How long does it take to fix a burst pipe?
An accessible burst pipe (crawlspace, basement, exposed utility room) typically takes 1–3 hours to repair. A pipe inside a finished wall requires drywall opening, repair, and later patching — a half-day project minimum.
24/7 Emergency Plumbing in Knoxville, TN
Honey Bear Plumbing responds to burst pipe emergencies throughout Knox, Blount, Anderson, and Loudon counties around the clock.
Emergency line: (865) 284-2424 — call any time.