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Sold by ME. · David Thomas Mejia, Broker · CA DRE #01448424 · Veteran-owned · San Diego County
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Week 42 · October

Mold check and cleanup

Mold grows within 24 to 48 hours of a leak. Rainy months and coastal humidity make bathrooms, closets, crawlspaces and window sills the hot spots.

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Week 42OctoberTime: 2 hours to 1 daySkill: Easy to moderate

Photo: our crew

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How to do it

Step by step

  1. Find and fix the water source first. Mold always follows moisture.
  2. Wear a respirator, gloves and goggles.
  3. Clean hard surfaces with mold remover. Do not mix bleach and ammonia.
  4. Bag and remove moldy drywall, carpet and insulation.
  5. Dry the area and keep humidity below 50 percent.
  6. Prime with mold-resistant primer before repainting.
When to call a pro: More than 10 sq ft (about 3 x 3 ft), HVAC ducts, or anyone in the home with asthma or a weak immune system: hire a mold remediation company. Landlords must address mold under California law.
Rain and flooding guides
Guide

What you need to know

Where to look

  • Under sinks and behind toilets
  • Bathroom ceilings and window sills
  • Closets on exterior walls
  • Attic around vents and the roof deck
  • Crawlspace and garage walls

Tenants and landlords

  • Visible mold that affects health can make a unit substandard under California Health and Safety Code 17920.3.
  • Landlords must disclose known mold that exceeds permissible exposure limits.
  • Document with dated photos and give written notice.
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Next projects

‹ Week 41: Inspect cast iron drain pipes before the rainsFull 52-week scheduleEvery project by monthWeek 43: Install gutter guards ›

Broker, not a contractor. David Thomas Mejia is a California real estate broker (CA DRE #01448424), not a licensed contractor. Work that needs a California contractor's license should be done by a CSLB-licensed contractor; check any license at cslb.ca.gov. Cost ranges on this page are general estimates, not bids.

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