Water Damage: Your 24-Hour Playbook
You walk into the kitchen at 6 AM and your feet hit water. The dishwasher supply line failed overnight. There's half an inch of standing water across the kitchen and into the living room. Your cabinets are sitting in it. The clock is ticking because mold can start growing in 24 to 48 hours, and every minute you wait makes the repair more expensive.
Read more →. After 24 to 48 hours in warm conditions, mold starts colonizing. Acting fast and acting right can save you thousands of dollars and weeks of repair time. The clock starts the second you find the water.
Stop the water. Right now.
Nothing else matters until the water stops flowing. Burst pipe? Shut off the main water supply valve.
You should know where it is before you need it, usually near the water meter, in the garage, or where the main line enters the house. Dishwasher or washing machine? Turn the valve behind or below the appliance.
Can't reach the valve? Kill the water at the main. Every minute the water continues adds to the scope of damage and the size of your claim.
- Main water shutoff: usually near the meter or where the line enters the house
- Individual appliance valves: behind toilets, under sinks, behind washing machines
- Electrical breaker panel: know which breakers serve wet areas
Document first, clean up second
Your phone is your most important tool right now. Before you mop, before you move furniture, before you do anything else, take photos and video. Capture the water level on walls and cabinets.
Shoot the full extent of standing water. Get close-ups of the source. Photograph labels on affected appliances, the grain of your hardwood floors, the inside of your cabinet doors.
This evidence is the foundation of your claim and it can't be recreated once cleanup begins. I know it feels wrong to stand there taking pictures while your house is wet. Do it anyway.
Spend 15 minutes documenting. It will save you thousands in settlement.
Make two phone calls
Call your insurance company to report the loss. Get a claim number. Then call a water mitigation company.
Most operate 24/7 for emergencies. Your policy requires you to take reasonable steps to prevent further damage, and professional mitigation is how you meet that obligation. Don't wait for the adjuster to arrive before starting mitigation.
The adjuster might not show up for days. Mold won't wait. Get extraction and drying equipment running as fast as possible.
Protect yourself and your home
Turn off electricity to affected areas if water is anywhere near outlets or appliances. Don't walk through standing water when the power is on. Open cabinet doors to promote air circulation.
Move important documents, electronics, and valuables to dry areas. If weather is the source, cover exposed openings with tarps or plastic sheeting. These steps protect your safety and demonstrate to your insurer that you acted responsibly to mitigate further damage.
Four things that make the damage worse
Don't use a household vacuum to remove water. It's an electrocution risk and the motor isn't designed for it. Don't pull up flooring yourself because disturbing the subfloor makes damage assessment harder and can void your claim scope.
Don't throw away damaged items before photographing and documenting them. And don't assume the damage is minor because you can't see it. Water travels behind walls, under floors, and through subfloor seams into places that are invisible without professional moisture meters.
What looks like a small kitchen leak on the surface can mean 400 square feet of saturated subfloor underneath. Sound familiar? It should.
This is one of the most common surprises.
- Mold can begin colonizing within 24-48 hours of water exposure
- Warm, humid conditions (Florida, Gulf Coast) accelerate growth
- Professional drying within the first day is the best mold prevention
- If drying takes longer than 48 hours, ask about mold assessment
Quick-check your estimate
- Stop the water source (main shutoff, appliance valve, or breaker)
- Photograph and video every affected area before touching anything
- Call your insurance company to report the loss
- Call a water mitigation company for emergency extraction and drying
- Turn off electricity to affected areas if water is near outlets
- Move valuables and documents to a dry location
See how this applies to your property
Upload photos of your damage and get a detailed analysis showing exactly where your estimate may fall short.