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Mold in a humid climate

Dry wet areas and items within 24 to 48 hours, and keep indoor humidity under 60 percent, ideally 30 to 50.1 For moldy areas larger than about 10 square feet, the EPA refers you to its guidance for bigger jobs.2

Last reviewed October 24, 20263 sources, numbered in the textSee sources

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The clock

About two days to dry it

0 h24 h48 h24–48hours to get it dry
  1. Straight awayStop the water, make it safe, take photos.
  2. First dayWater out; fans and a dehumidifier on.
  3. 24 to 48 hoursThe EPA's window to dry wet areas and items.1
  4. Shut for daysThe CDC says a flooded house closed up for several days should be assumed to have mold.3
  • Clean air conditioning drip pans and keep drain lines flowing.1

  • Vent dryers and stoves outside where possible.1

  • Carpet or ceiling tiles that go moldy may need to be thrown away.2

  • Unless the water problem is fixed, the mold is likely to come back.1

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What happens when you call

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  1. A woman on a screened back porch talks on the phone after a summer storm, broken pine branches on the wet lawn.
    1

    You call

    Tell them what happened and where. Have the address ready.

  2. 2

    We connect you

    A call network puts you through to an independent local restoration company that serves Gainesville and is taking calls.

  3. A technician crouches by a washing machine and shows the homeowner its supply hose, a water stain along the wall behind.
    3

    They assess and quote

    If you want a visit, they look at the damage and quote their own price. Ask for it in writing.

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A couple sit on the back steps of their brick house with glasses of iced tea and smile, pines behind them after the rain.

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Gainesville Water Damage Advice is a free referral and information service, not a contractor. Calls go through our call-tracking line to independent local restoration companies, and we may be paid when a call qualifies. We do not do the work and do not set prices or availability. How it works

Sources

Each numbered note on this page points here. We read every page on October 24, 2026. Where sources disagree we say so; where we could not find a source we left the claim out. We are not affiliated with any of these organizations.

  1. U.S. EPA, A Brief Guide to Mold, Moisture and Your Home. Page updated February 18, 2026. www.epa.gov/mold/brief-guide-mold-moisture-and-your-home
  2. U.S. EPA, Mold Cleanup in Your Home. No date shown. www.epa.gov/mold/mold-cleanup-your-home
  3. CDC, Safety Guidelines: Reentering Your Flooded Home. Page updated August 24, 2026. www.cdc.gov/floods/safety/reentering-your-flooded-home-safety.html
Call (770) 536-9258Free service. We'll connect you with a local restoration company. How it works