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Guides

Mold after a leak

Dry it inside 24 to 48 hours; in most cases mold will not grow if wet areas are dried within that window.1 Above about 10 square feet of mold, the EPA points to its guide for larger jobs.2

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

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The clock

About two days to get it dry

0 h24 h48 h24–48hours to get it dry
  1. Right awayStop the source. Make it safe. Photograph.
  2. First dayStanding water out, air moving.
  3. 24 to 48 hoursThe EPA's window for wet items and areas to be dry.1
  4. Shut up for daysAssume mold is present in a flooded house closed up for several days, says the CDC.3

  • Porous materials such as carpet or ceiling tile that turn moldy may have to be thrown away.2

  • Mold is likely to come back unless the water source is fixed as well as the damage cleaned.1

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What happens when you call

It is free to call, and calling commits you to nothing.

  1. A man on the phone by a snowy window, towels lined up along a wet wall behind him.
    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 Boise and is taking calls.

  3. A technician wearing a headlamp lies in a crawl space, checking a dripping pipe with torn insulation.
    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.

We are a free referral service, not a contractor. The company that answers sets its own prices. How this service works

A couple holding their toddler smile in the kitchen as a fan dries the wood floor, snow outside.

Want a local company to look at it?

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Call (208) 994-8334

Boise 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 (208) 994-8334Free service. We'll connect you with a local restoration company. How it works