Portland doesn’t freeze often. But when a cold east wind blows out of the Columbia Gorge, temperatures can drop fast, and outside faucets are usually the first part of your plumbing to feel it.
If your outside faucet is frozen, the ice isn’t the real problem. The real problem is the crack the ice can leave behind, often inside your wall where you can’t see it. The good news is that most frozen faucets thaw out just fine if you handle them gently.
Below, we’ll walk you through how to tell if it’s frozen, how to thaw it safely, how to check for damage, and how to keep it from happening again.
How Do I Tell if My Outside Faucet Is Frozen?
The easiest sign is that you turn the handle and nothing comes out, or you only get a slow trickle. Here’s what else to look for:
- No water or very little water when you open the faucet.
- Frost or ice on the faucet or on the pipe right where it meets the wall.
- A stiff handle that won’t turn. Don’t force it. You can snap the handle or damage the valve inside.
- It’s been below freezing for hours, especially overnight or with wind.
- A garden hose is still hooked up. A connected hose traps water in the faucet, which makes freezing much more likely.
Should I Check Inside the House Too?
Yes. If you have a laundry sink, half bath, or any plumbing on the same wall as your outside faucet, turn those on too. If they’re slow or not working, the freeze may have reached the pipes inside your home.
Why Do Outdoor Faucets Freeze?
Outdoor faucets freeze because the pipe that feeds them runs right through your outside wall, the coldest part of your house. Inside pipes stay warm. That last stretch of pipe doesn’t.
When water freezes, it expands by about 9%. That ice pushes against the pipe and the valve inside the faucet. Copper and plastic pipes can only take so much before they split.
Are Older Portland Homes More at Risk?
Often, yes. A lot of older homes around Portland still have standard outdoor faucets instead of frost-free ones (more on those below). Many also have pipes running through crawlspaces or unheated garages, which get just as cold as the outdoors during a cold snap. Our hardest freezes usually come between December and February.
What Should I Do if My Outside Faucet Is Frozen?
Unhook the hose, check for leaks, open the faucet, and warm it up slowly. Here’s how, step by step:
- Take off the garden hose. It’s full of ice and keeps water trapped in the faucet.
- Look for leaks before you thaw. Check the faucet, the wall around it, and the basement or crawlspace behind it. If you see a crack, a drip, or water where it shouldn’t be, turn off the water first (see below).
- Open the outside faucet. This gives melting water somewhere to go and lets you see when it starts flowing again.
- Warm it up gently. Use a hair dryer on the faucet and the pipe closest to the wall. You can also wrap it in towels soaked in warm (not boiling) water and re-soak them as they cool. Start at the faucet and work back toward the house.
- Wait for steady flow. Once water runs normally, let it go for a minute, then shut the faucet off.
- Check inside again. Look and listen for drips or wet spots on the wall behind the faucet over the next day or two.
What Should I Never Use to Thaw an Outdoor Faucet?
Never use a torch, a propane heater, or any open flame. Flames can crack the pipe, melt plastic parts, or start a fire inside your wall. Boiling water can also crack a frozen pipe by changing its temperature too fast.
Where Is the Shutoff Valve for My Outside Faucet?
Most outside faucets have a small shutoff valve on the pipe inside the house, usually in the basement, crawlspace, or garage near the wall where the faucet is. If you can’t find one, use your home’s main water shutoff. It’s usually where the water line comes into the house, or in a box near the street.
How Do I Know if the Pipe Cracked?
A cracked pipe behind an outside faucet usually leaks inside your house, not outside. That’s why it’s easy to miss. Watch for:
- Water spraying or dribbling from behind the faucet when you turn it on
- Wet drywall, peeling paint, or a damp smell on the wall behind the faucet
- Puddles or drips in the basement, crawlspace, or garage
- Weak flow even after the faucet has fully thawed
- A water bill that’s higher than normal
Why Might I Not Find the Leak Until Spring?
Many outside faucets have their valve set several inches inside the wall. If that part cracks, it only leaks when the faucet is turned on. So the damage from a January freeze often doesn’t show up until you hook up the hose in April.
The first time you use your outside faucet each spring, have someone stand inside near that wall and watch for water. If you find a leak, shut off the valve that feeds the faucet and call us for a leak repair.
How Do I Keep My Outside Faucet From Freezing?
The best way to keep an outdoor faucet from freezing is to get the water out of it before cold weather hits. Do this in the fall, before the first hard freeze. Around Portland, early November is a good target.
- Unhook every garden hose. Drain them and store them in the garage or shed.
- Turn off the shutoff valve inside that feeds each outside faucet.
- Open the outside faucet and let the leftover water drain out. Leave it open all winter so any last drops have room to expand.
- Put on an insulated faucet cover. These foam covers cost a few dollars at any hardware store and hold in the heat coming through your wall.
- Wrap exposed pipes. Use foam pipe sleeves on any pipe that feeds the faucet through a crawlspace, garage, or other unheated space.
What Extra Steps Help During a Cold Snap?
When the forecast calls for days below freezing, close or cover your crawlspace vents to keep cold air off your pipes. Open cabinet doors under sinks on outside walls so warm air can reach those pipes too. Just remember to open the vents again once it warms up.
What Is a Frost-Free Outdoor Faucet?
A frost-free outdoor faucet looks like a regular spigot from the outside, but it works differently. The valve that stops the water sits at the end of a long stem, several inches inside your wall where it’s warm. The pipe also slopes slightly downhill, so water drains out every time you turn it off.
That means there’s no water sitting in the cold part of the pipe. If your home still has standard outdoor faucets, switching to frost-free ones is one of the simplest ways to protect your plumbing every winter.
Can a Frost-Free Faucet Still Freeze?
Yes, if a hose is left attached. The hose blocks the water from draining, so it sits in the faucet and freezes just like a standard one. And because the valve is hidden inside the wall, you might not find the crack until spring. Frost-free faucets work great, but only with the hose off.
How Do I Know Which Kind I Have?
It’s hard to tell from the outside. A standard faucet usually has its own shutoff valve on the pipe just inside the house, while many frost-free faucets don’t. If you’re not sure, ask us. We can check during any visit.
When Should I Call a Plumber About a Frozen Outside Faucet?
Call a plumber if the faucet won’t work after it’s thawed, or if you see any sign of a leak. It’s also worth a call if you want to get ahead of winter. We can help with:
- Repairing or replacing a cracked outside faucet or the pipe behind it
- Swapping standard faucets for frost-free ones
- Insulating pipes in crawlspaces, garages, and other cold spots
- Fixing a stuck or broken shutoff valve so you can winterize easily
What Happens When Meticulous Plumbing Comes Out?
We show up when we say we will, in uniform, and we put shoe covers on before we step inside. We’ll explain what we found and what your options are before any work starts, so there are no surprises. When we’re done, we clean up and recycle the old parts and materials.
While we’re there, we’re also happy to do a whole-house plumbing inspection. It’s a good way to spot other weak spots, like a worn valve or a pipe that needs insulation, before the next freeze turns them into a bigger problem.
Ready to Get Your Outside Faucets Ready for Winter?
Meticulous Plumbing is a family-owned plumbing company that has been taking care of Portland-area homes for years. Schedule a visit online or call or text us at (503) 208-2812. See the areas we serve or learn more about our plumbing repair services.
Frozen Outdoor Faucet FAQs
How cold does it have to be for an outside faucet to freeze?
Water freezes at 32°F, but an outdoor faucet usually needs several hours in the low 20s or colder to freeze solid. Wind makes it happen faster. A hose left attached makes it happen faster too.
Will a frozen outdoor faucet thaw on its own?
Usually, yes, once temperatures climb back above freezing. But thawing on its own doesn’t tell you whether the pipe cracked. Check for leaks inside the house either way.
Should I let my outside faucet drip during a freeze?
No. It’s better to shut it off from inside and drain it. A dripping outdoor faucet can ice over, and it wastes water. Dripping can help indoor faucets on outside walls during a deep freeze, though.
Can a frozen outdoor faucet cause problems inside my house?
Yes. The pipe that feeds your outside faucet connects to the rest of your plumbing. Ice can spread back into the house, and a crack in the wall can leak into your basement, crawlspace, or living space.
Do insulated faucet covers really work?
Yes, especially on standard faucets. They hold in the heat that comes through your wall from inside. They work best when you also turn off the water and drain the faucet first.
Is it OK to leave the hose connected if I have a frost-free faucet?
No. A connected hose keeps water trapped in a frost-free faucet, so it can freeze and crack just like a regular one. Take hoses off before the first freeze.
