Water in the house has a clock on it. Not a figure of speech — an actual clock. The IICRC S500 standard puts the drying window at 24 to 48 hours. Miss it and you're not drying a house anymore, you're remediating mold. In St. Pete, where the air sits at 75-80%+ humidity for months and mold colonizes above 60% relative humidity in about a day, that window is shorter than the standard makes it sound. So the first day matters more than the repair does. Here's what to do while you're still the only one in the house.
First: is it even safe to be in there?
This is the one that overrides everything below. If the water came up from outside — bay surge, a canal that jumped its bank in Coquina Key or Shore Acres, street flooding after a king tide — treat it as contaminated until told otherwise. That's not caution for its own sake. After Helene in September 2024 the city powered down a sewage treatment plant and told everyone between 30th Ave N and Haines Rd not to shower, flush, or run laundry for about two days. Flood water carries whatever the storm dragged through it.
- Don't wade into standing water that's touching outlets, the panel, or any cord. If you can't cut the power safely, leave it on and get out.
- Sewage smell, sheen on the surface, or a debris line? Step back out. Category 3 water is a respirator-and-gloves job, not a wet-vac job.
- A clean supply-line burst — a copper joint, a failed polybutylene line in a 90s slab home — is different. That water's clean at the start. You can work it. It's the drying clock that's your enemy there, not contamination.
Within the first 15 minutes: kill the source
- Water shutoff. Main valve is usually where the line enters the house or out by the meter near the street. Righty-tighty. If it's a fixture, the local stop under the sink or behind the toilet is faster.
- Power to the wet area. Flip the breakers feeding the flooded rooms at the panel — dry hands, dry footing. Don't reach for a wall switch standing in water.
- Gas, if you smell it. Leave and call it in from outside.
If it's an older bungalow in Historic Kenwood or the Old Northeast, and the water's backing up through a drain rather than pouring down, that's often the cast-iron finally giving out. Those pipes are 80 to 100 years old, well past their design life, and the salt air corrodes them from both sides. Shutting the supply won't stop a drain backup — stop using every fixture in the house and get someone out.
Next hour: document like the claim depends on it (it does)
The recurring fight on St. Pete claims is causation. Insurers want to call it wind-driven rain or a plumbing failure — covered by homeowners — or ground/surge flooding, which only a separate flood policy covers. Adjusters routinely underscope water. Your job in the first hour is to make their version harder to argue.
- Photograph and video before you move anything. Wide shots of each room, then close-ups. Get the waterline height against a wall or a door frame, and a shot of the source if you can see it.
- Timestamp it. Your phone does this automatically — leave the metadata alone.
- Save a piece of everything you throw out. A square of soaked drywall, a strip of the flooring. Adjusters scope from what they can see.
- Write down when it started and what you did, while it's fresh.
Then: move what you can, leave what you can't
- Move up and out: electronics, paper, photos, anything upholstered, rugs, and furniture with legs that wick. Get it to a dry room or up on blocks.
- Lift, don't drag. Wet fabric leaves stains and spreads water into dry rooms.
- Leave built-ins, cabinets, and anything heavy and wet where it is. You'll hurt yourself and it needs assessment first anyway. Permits are required here for drywall, flooring, cabinetry and finishes — so don't start demoing.
- Pull back area rugs off hardwood right away. Trapped moisture cups the boards fast.
One more thing worth knowing before the repairs pile up: St. Pete runs a stricter 49% rule instead of FEMA's 50% substantial-damage threshold, and it's calculated on a rolling 12-month window. Several small permits in one year add together. If your repair costs cross 49% of the structure's value, the home has to come up to current floodplain code — which in an AE or VE zone can mean elevating.
Get air moving, then get help on the way
If the water's clean and it's safe, open windows only if the outside air is drier than inside — on a low-90s August afternoon it usually isn't, so run the AC and any fans you have instead. Point them across the wet floor, not at a wall. That buys you time against the clock; it doesn't beat it.
The 24-to-48-hour math is why calling early beats waiting to see how bad it gets. We cover the whole peninsula and the low-lying canal neighborhoods — Coquina Key, Broadwater, Gulfport — and the sooner drying equipment is in the house, the less of it ends up in a dumpster. Once you've shut off the source and you're standing somewhere dry, reach out or start at the homepage. Then don't touch the wet drywall again until someone's looked at it.