Burst Pipe in Portland? What to Do in the First 10 Minutes

If you've got active water, stop reading and do this: find your main shutoff — usually a lever or round wheel where the water line enters the house, in the crawlspace access, basement, garage, or a utility closet near the street side of the house — and turn it off. Then call a plumber. Everything else can wait a few minutes.

Where is my main water shutoff, and how do I turn it off?

In most Portland-era houses, the main shutoff is one of a few places: inside an unfinished basement near where the line enters, in a crawlspace just past the foundation wall, in a garage, or occasionally outside near the water meter at the curb (that one usually needs a meter key or pliers, and some jurisdictions prefer the utility handle it). Older bungalows and Foursquares in inner Portland, Milwaukie, and Oregon City often run the main line along an exterior wall before it comes up into the house — crouch down and follow the pipe from where it enters.

A gate valve (round handle) needs several turns clockwise and may be stuck if it hasn't moved in years — don't force it so hard you snap the stem, but steady pressure usually works. A ball valve (lever handle) is a quarter turn, perpendicular to the pipe is off. If the main won't budge, look for a shutoff at the water heater or under the nearest sink to at least stop flow to that branch while you keep working on the main.

If you genuinely cannot find or turn the main, call now — a plumber or our line can walk you through it while someone's on the way. This is the first thing we check on every emergency plumbing call.

Should I shut off the electricity or gas too?

Only if water is pooling near an electrical panel, outlets, or a water heater, or you can see or smell gas. If water is running near a panel or plugged-in appliances, shut off power to that area at the breaker — don't stand in water to do it. Gas water heaters and furnaces generally don't need to be shut off just because of a water leak nearby unless the appliance itself is sitting in water or you smell gas, in which case shut the gas off at the appliance valve and get outside. If any of this feels uncertain, skip it and focus on the water — that's the thing actually causing damage.

What do I do while I'm waiting for a plumber?

Once the main is off:

• Open a low faucet (a tub or outside spigot) to relieve pressure and drain what's left in the lines — this reduces how much more water comes out of the break.
• Soak up standing water with towels, a wet/dry vac, or buckets. Move it off hardwood and out from under cabinets if you can.
• Get boxes, rugs, and anything irreplaceable up off the floor, especially in a crawlspace-access area where water travels further than it looks.
• Photograph the damage now, before cleanup — your insurance adjuster will want it, and it's easier to do while it's fresh than to reconstruct later.
• If the water came from a wall or ceiling, don't cut into drywall yourself unless you're trying to stop active dripping onto something valuable. Leave the diagnosis to whoever's coming.

How fast can a plumber actually get here?

That depends on time of day, how many other calls are coming in (a hard cold snap means everyone's phone rings at once), and where you are in the metro. A straightforward shutoff-and-assess visit is usually much faster than a full repipe scheduled for a weekday. If you're in Portland, Beaverton, Hillsboro, Gresham, Tigard, Tualatin, Lake Oswego, West Linn, Oregon City, Milwaukie, Happy Valley, Clackamas, Wilsonville, Troutdale, Sherwood, or Salem, say so when you call — it helps route the right person. See our Portland and metro-area pages for the full list we work.

Is this covered by insurance?

Usually, sudden and accidental water damage from a burst pipe is covered under a standard homeowners policy — the pipe failure itself and the resulting damage. What's typically not covered is damage from a leak you knew about and ignored for months, or the general wear-and-out of old galvanized pipe itself (insurance covers the water damage, not necessarily the cost to replace bad pipe everywhere else in the house). Call your insurer once the water is stopped, and keep those photos.

Does one burst pipe mean I need a whole repipe?

Not automatically — but it's worth asking the question honestly. If the house still has galvanized supply lines, or thin-wall copper that was common in builds from a certain era, a burst after a cold snap is often less "bad luck" and more "this is what that pipe does at year 40 or 50." One break can be a fair, localized repair. But if a plumber finds heavy corrosion, past patches, or low pressure that's been a known issue for a while, a whole-home repipe often costs less over several years than a string of emergency repairs — and it's a conversation worth having calmly, after the immediate mess is handled, not in the middle of it. Our leak repair and frozen pipes pages cover both the one-time fix and the longer-term signs.

Why does this keep happening in Portland specifically

Portland doesn't get the long, steady freeze that forces builders elsewhere to bury pipe deep and insulate everything. Instead we get stretches of mild, wet weather, then a sudden snap into the low 20s for a few days — usually the first real one lands sometime between mid-November and December. That's exactly when a pipe tucked against an uninsulated exterior wall or sitting in a vented crawlspace in an older Milwaukie, Oregon City, or inner-Portland house finally lets go, often not during the cold itself but as it thaws. If this is the first cold snap of the season and you haven't thought about your crawlspace since last winter, you're not alone — see our related piece on water heaters before the first cold snap for the same seasonal pattern on a different fixture.

Once the immediate emergency is handled, a sewer camera inspection or a look at water pressure can tell you whether this was an isolated event or a symptom. For questions that don't need an emergency call, our FAQ covers the common ones, or contact us to talk through next steps.