The First 24 Hours After Water Damage

By Phoenix Flood Repair · Updated September 2026

Stop the Water If You Can Do It Safely

The single most useful thing in the first few minutes is stopping the flow. In most Phoenix homes the main shutoff is on the supply line where it enters the house at the front, often near a hose bib, or in the garage beside the water softener loop. There is also a meter box near the street with a valve inside it. Find yours now, before you need it, and make sure the handle actually turns.

If the water is coming from an appliance rather than the house plumbing, look for the small valve behind or under it. A fridge line, a washer hose or a water heater each have their own shutoff. Leave the gas control and the electrical supply alone unless you are completely sure it is safe to reach them, and never stand in water to touch a switch, a cord or a panel.

Treat Water and Electricity as a Real Hazard

Standing water near an outlet, an extension cord, a power strip or an appliance should be treated as live. Do not walk through it to reach something on the other side of the room, and do not use a household vacuum on it. If the affected area includes the air handler closet or a laundry area, stay out and say so when you call.

Water that came from a drain or in from the street is a different problem again. That water carries bacteria and whatever the yard or the road was holding, so keep children and pets out of the room entirely, wear gloves and closed shoes if you have to go near it, and do not try to clean it up with household products.

Photograph Everything Before You Move It

Take photographs and a short video before anything gets moved, mopped or thrown out. Get wide shots that show the whole room, close shots of wet flooring, baseboards and cabinet bases, and pictures of the source itself if it is visible. Photograph the contents that got wet, including what is inside cabinets and closets.

Do not throw damaged items away yet. Set them aside somewhere dry instead. If you end up making a claim, the physical items and the photographs are the record of what happened, and once something is in a dumpster it cannot be assessed.

Move What You Can and Leave the Rest

Lift small furniture off wet carpet or put foil or blocks under the legs so stain and rust do not transfer. Move boxes, rugs and anything paper to a dry room. Open interior doors so air can move between rooms, but leave exterior windows shut during a monsoon storm, because outdoor air during a downpour adds humidity rather than removing it.

Leave the heavy work alone. Wet carpet is much heavier than it looks, pulling it up spreads water into dry rooms, and lifting flooring can damage material that might have been dried in place. There is no benefit to getting ahead of the provider on that.

Water Damage in Phoenix Homes

Phoenix houses sit on a concrete slab with no basement, so the water has nowhere to go but sideways. It runs under tile, into the carpet pad and up the bottom edge of drywall and cabinet boxes, which is why the wet area is nearly always wider than the puddle you can see.

The season matters too. From July to September, monsoon storms can put water in through a door threshold, a low-slope roof or a clogged scupper within minutes, and the record rainfall of September 8, 2014 showed how quickly streets here can fill. Outside of storm season, the problems are mostly supply lines, water heaters in the garage and air conditioner condensate drains that backed up. If you are in the foothills below South Mountain, our page on water damage restoration in Ahwatukee covers what that runoff means for local homes.

What to Expect From the First Visit

A first visit should start with questions and readings rather than equipment. The provider needs to know where the water came from, whether it has stopped and roughly when it started. Then moisture meters and a thermal camera show how far it traveled behind cabinets, under flooring and up the walls.

From there, ask for a written quote covering extraction, the drying plan and anything that needs removing, plus a note of what may need a second visit. Ask what the readings are now and what a dry reading in the same house looks like, so you can follow the progress yourself.

Arrange an Inspection

If water is spreading right now, call Phoenix Flood Repair and describe what you are seeing. For the stage that follows, read about emergency water extraction and structural drying, weigh the options in dry and restore versus replace, or check how calls are connected.