SpraySquad
Mold Remediation February 20, 2024 6 min read

7 Warning Signs of Mold in Your Home (Don't Ignore #4)

Learn the early warning signs of mold growth in your home. Spot mold problems before they become health hazards with this guide from Athens mold experts.

Brad Broxton
Brad Broxton

Team Lead

SpraySquad · Athens, Georgia

Mold growth on wall requiring professional remediation

Mold can grow hidden in your home for months before you notice visible signs. By then, it may have already affected your indoor air quality and your family’s health. Here are the seven warning signs every Georgia homeowner should know.

1. Musty, Earthy Odors

The most common first sign of mold isn’t seeing it—it’s smelling it.

Mold produces microbial volatile organic compounds (MVOCs) that create a distinctive musty smell. If you notice:

  • A damp, earthy odor in certain rooms
  • Smells that get stronger when the AC runs
  • Musty odors near walls, closets, or bathrooms

Don’t ignore it. Even if you can’t see mold, that smell means it’s growing somewhere.

2. Visible Mold Growth

This seems obvious, but many people don’t recognize mold when they see it. Mold can appear as:

  • Black spots or patches
  • Green or gray fuzzy growth
  • White, thread-like formations
  • Orange or pink stains (especially in bathrooms)

Important: What looks like a small patch of mold on your wall may be the tip of the iceberg. Mold often grows extensively behind surfaces.

3. Water Stains or Discoloration

Water damage almost always leads to mold if not addressed quickly. Look for:

  • Yellow or brown stains on ceilings
  • Bubbling or peeling paint
  • Warped or buckled walls
  • Discoloration around windows

If you see water damage, assume mold is present or developing—even if you can’t see it yet.

4. Unexplained Health Symptoms

This is the sign most people miss.

Mold exposure can cause symptoms that mimic allergies or a cold:

  • Persistent sneezing or runny nose
  • Itchy, watery eyes
  • Chronic cough
  • Skin irritation
  • Headaches
  • Fatigue
  • Difficulty breathing (especially concerning)

The key indicator: Symptoms that improve when you leave the house and return when you come home.

If multiple family members have similar symptoms, or if symptoms persist despite treatment, mold exposure should be considered.

5. Condensation on Windows

Excessive condensation indicates high humidity—the perfect breeding ground for mold.

Watch for:

  • Water droplets forming on windows regularly
  • Fog that doesn’t clear quickly
  • Water pooling on windowsills

High indoor humidity (above 60%) creates conditions where mold can grow on almost any surface.

6. Past Water Events

If your home has experienced any of the following, you’re at elevated risk:

  • Flooding (even minor)
  • Plumbing leaks
  • Roof leaks
  • Basement seepage
  • HVAC system leaks
  • Appliance failures (water heater, washing machine)

Mold can begin growing within 24-48 hours of water exposure. If water damage wasn’t professionally dried and treated, mold is likely present.

7. Peeling Wallpaper or Bubbling Paint

When moisture gets behind walls, it shows up as:

  • Wallpaper pulling away from walls
  • Paint bubbling or cracking
  • Drywall that feels soft or spongy
  • Baseboards pulling away from walls

These signs indicate moisture is trapped in your walls—and where there’s moisture, there’s likely mold.

What to Do If You Notice These Signs

Don’t Disturb It

Disturbing mold can release millions of spores into your air. Don’t:

  • Scrub visible mold
  • Tear out affected materials
  • Use bleach (it doesn’t kill mold roots)

Get Professional Testing

Air quality testing can detect mold even when it’s not visible. Professional testing will identify:

  • The type of mold present
  • Spore concentrations in your air
  • The likely source location

Address It Properly

DIY mold removal often makes problems worse. Professional remediation:

  • Contains the affected area to prevent spread
  • Uses proper equipment and techniques
  • Treats the source, not just the surface
  • Verifies results with post-treatment testing

The SpraySquad Approach to Mold

We use EPA-approved hypochlorous acid (HOCL) technology that:

  • Kills mold at the source
  • Is safe for your family (re-enter in 1 hour)
  • Leaves no toxic residue
  • Is verified with before-and-after air testing

Unlike traditional methods, our treatment doesn’t just remove mold—it creates conditions that prevent regrowth.


Worried about mold in your home? Schedule a professional mold inspection or call us at (706) 363-3350 for a free consultation.

Tags:

mold signs mold detection home health indoor air quality

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