Every spring we get the same call: the spigot on the side of the house worked fine in September, and now there’s water running down the inside of the basement wall the first time someone turns it on. The spigot didn’t fail in April. It cracked in October or November, the night a hose was still attached and the temperature dropped into the low 20s. Knowing how to winterize an outdoor spigot takes about fifteen minutes per faucet, and in Minnesota it’s the cheapest freeze protection you can do. Here’s the full process, how to tell whether you have a frost-free spigot, and when a spigot is better replaced than winterized.
Why Outdoor Spigots Crack in a Minnesota Winter
An outdoor spigot is a short run of pipe that passes straight through your rim joist from a heated basement into outdoor air. Any water left in that last stretch of pipe freezes, expands, and splits the pipe or the valve body.
The damage usually hides inside the wall. With a standard (non-frost-free) spigot, the crack forms in the pipe right behind the faucet. With a frost-free spigot, it forms in the long barrel that runs back into the house. Either way, you don’t see it until the water is turned back on in spring, and by then the leak is pouring into the wall cavity or the basement ceiling instead of outside.
The usual culprit is a garden hose. A connected hose holds water against the valve, so even a frost-free spigot can’t drain. One hard freeze with the hose attached is enough to crack it.
How to Winterize an Outdoor Spigot: Step by Step
The goal is simple: no water left in any part of the pipe that’s exposed to cold.
- Disconnect every hose. Take off hoses, splitters, timers, and quick-connects. Drain the hoses and store them inside.
- Find the interior shut-off valve. Look in the basement ceiling or utility room directly behind the spigot, often near the rim joist. Older Twin Cities homes may have a gate valve with a round wheel handle; newer work usually uses a quarter-turn ball valve with a lever.
- Close the shut-off. Turn the wheel clockwise until it stops, or turn the lever so it’s perpendicular to the pipe.
- Open the outdoor spigot. Let whatever water is in the line run out. If it keeps flowing steadily after a minute, the interior valve isn’t holding — see below.
- Open the drain cap, if your valve has one. Many interior shut-offs have a small bleeder cap on the side. Put a bucket underneath and open it to let air into the line so the last of the water drains out the spigot.
- Leave the outdoor spigot open for the winter so any remaining water has room to drain or expand. Close the bleeder cap.
- Add an insulated faucet cover. A foam cover isn’t a substitute for draining, but it adds a little margin on spigots that face north or take wind.
If the interior valve won’t close completely, or the spigot keeps dripping after it’s shut off, don’t leave it that way for the winter. A valve that doesn’t close all the way lets water keep refilling the line you just drained. That’s a repair, not a winterizing step — our hose spigot and valve repair service replaces worn gate valves with quarter-turn ball valves that actually seal.
Do You Have a Frost-Free Spigot?
A frost-free spigot (also called a frost-free hose bib or sillcock) has its valve seat 6 to 12 inches or more inside the house, where it stays warm. When you shut it off, the water stops inside the heated space and the barrel drains out the spout.
How to tell which one you have:
| What you see | Likely type |
|---|---|
| Faucet mounted on a flange flat against the siding, no separate shut-off behind it | Frost-free |
| Short pipe stub sticking out of the wall, and a separate shut-off valve just inside | Standard spigot |
| Small vacuum breaker cap on top of the faucet body | Common on newer frost-free models |
| Faucet keeps dripping for a few seconds after you close it | Normal for frost-free — the barrel is draining |
Frost-free doesn’t mean hands-off. It still needs every hose removed, and it has to slope slightly downhill toward the outside so the barrel can drain. A frost-free spigot that was installed level, or that has settled back toward the house, holds water and can crack like a standard one. Many homeowners with frost-free models still close the interior shut-off, if they have one, for extra protection.
Not sure what’s on the side of your house, or found a drip you can’t stop? Call Twin Cities Premier Plumbing at (763) 343-9806. We’ll check your spigots and shut-offs and tell you what needs attention before it freezes.
When Should You Winterize Outdoor Faucets in Minneapolis?
Winterize outdoor faucets before the first night in the mid-20s or colder, not after it. In the Twin Cities that first hard freeze usually arrives in October, so early to mid-October is the safe window, and anything after Halloween is gambling.
A light frost around 32°F rarely cracks a spigot on its own, because the house loses a bit of heat through the wall. A night in the low 20s with a hose attached is what does the damage. If you’re still watering new sod or a late garden, you can reconnect the hose on warm afternoons, but disconnect it every evening once the overnight lows start dropping below freezing.
For lake cabins or homes left empty for part of the winter, winterizing the spigots is only one piece. The rest of the plumbing needs protection too, which we cover in our guide to how to keep pipes from freezing.
Minneapolis-Area Homes: What We See Most
Housing age changes what we find behind the spigot. In St. Paul, Minneapolis, and older first-ring suburbs, many homes built before the 1970s still have standard spigots with an old gate valve inside. Those gate valves are the weak point: after decades of Minnesota hard water, the washer or stem wears and the valve no longer shuts off completely, so the line never truly drains.
In Plymouth, homes from the 1960s and ’70s near Parkers Lake and Kingsview often have original galvanized supply lines, and the section feeding the outdoor spigot is frequently the first place we see corrosion. Newer construction in Maple Grove and around Elm Creek Park usually has frost-free sillcocks, but we still find ones installed without enough slope, or with the hose left on through a whole winter.
The other common find is a spigot on a wall that faces a patio or deck where the snow piles up. Snow insulates somewhat, but a spigot buried under a snowbank also can’t drain, and ice around the spout blocks the outlet.
Should You Upgrade to a Frost-Free Hose Bib?
If you have a standard spigot with a separate shut-off, it can be winterized every year and last fine. But there are good reasons to replace it with a frost-free hose bib:
- The interior shut-off no longer seals. Replacing the valve alone is an option, but upgrading the whole assembly at the same time often makes more sense.
- The shut-off is hard to reach, such as behind a finished basement ceiling, so it rarely gets used.
- A spigot has cracked before. Once a line has split, a frost-free replacement removes the risk rather than relying on remembering every fall.
- You want to use the hose into late fall or early spring without draining the line each time.
A frost-free installation needs a proper downward slope, a solid mount to the rim joist, and a connection inside the heated space. Done right, it’s close to hands-off protection — as long as the hose comes off in fall. We install frost-free sillcocks and quarter-turn shut-offs across the metro as part of our house spigot and valve service, and if a spigot has already cracked inside the wall, our leak repair team will find and fix the damaged section.
Frequently Asked Questions
Can I leave my outdoor spigot on in winter? Not with a hose connected, and not with a standard spigot that’s still pressurized. Water in the exposed section will freeze and crack the pipe. With a frost-free spigot and no hose attached, the valve itself stays inside the warm house, so it can handle winter, but it still needs to drain properly.
Will outside faucets freeze at 30 degrees? A brief dip to 30°F usually won’t crack a spigot, especially a frost-free one. Sustained temperatures in the low 20s or below, particularly with wind or a hose attached, are what cause most cracked spigots.
Do outdoor faucet covers work? They help, but they’re a backup, not a replacement for draining. A foam cover slows heat loss from the wall around the spigot. It won’t stop a pressurized standard spigot, or one with a hose attached, from freezing on a subzero night.
How do I know if my spigot cracked over the winter? Turn it on in spring and watch the inside wall and basement ceiling behind it. Water inside the house, low pressure at the spout, or water spraying from around the flange all point to a cracked barrel or pipe. Shut it off at the interior valve and call a plumber.
The Bottom Line
Winterizing an outdoor spigot comes down to three things: hoses off, interior shut-off closed, and the line drained with the spigot left open. Do it in early to mid-October, before the first hard freeze. If your shut-off won’t seal, your spigot drips after it’s closed, or you’d rather not go through this every fall, a frost-free hose bib is a one-time fix.
Call Twin Cities Premier Plumbing at (763) 343-9806 to have your outdoor spigots and shut-off valves checked or upgraded before winter. We serve Minneapolis, St. Paul, Plymouth, Maple Grove, and the greater Twin Cities metro.