24H Mold Inspection
La Crescenta-Montrose24/7 EMERGENCY(818) 813-5595
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Mold Testing

State-certified testing that spots hidden mold—so you can act early, stay safe, and avoid costly repairs.

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Why Mold Testing Matters

Mold isn't always visible. It hides in air vents, under floors, and inside walls. The only way to know what you're breathing—or what's spreading—is through lab-grade testing.

  • —Identify mold species and spore levels
  • —Detect hidden growth in "clean" areas
  • —Assess the health risk to occupants
  • —Decide on the right next steps
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Why Mold Testing Matters

Methodology

How our mold testing works

The three sampling methods we use, chosen for what your property is showing

Sterile swabs and clear adhesive tape collect mold from visible spots on dry surfaces, giving the lab a clean sample for species identification. Suitable for walls, ceilings, baseboards, and furniture where the residue is what you're checking.

For damp or recently water-damaged areas, the sampling approach changes. Wet sampling captures live, actively growing colonies that dry methods underrepresent, which matters under flooring, behind tile, and around recent leaks.

A calibrated pump pulls a controlled volume of air through a spore trap cassette, capturing viable and non-viable spores from the breathing zone. The lab counts species and compares concentrations to outdoor levels, telling you whether your indoor air is healthy.

Mold inspector at work

Checklist

Is Testing Right for You?

Mold testing is ideal if:

  • —You suspect mold but can't see it
  • —You've had water damage
  • —Residents or tenants are reporting health symptoms
  • —You're buying, selling, or managing a property
  • —You need peace of mind after remediation

Still unsure? Let's talk. We'll help you decide which method suits your case best.

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Testing Overview

Our Testing Methods

Techniques we use to collect accurate mold samples from air and surfaces.

1Air Testing

Collects airborne mold spores to assess air quality and detect hidden contamination.

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2Tape Testing

Lifts mold samples from surfaces using clear adhesive—quick and non-destructive.

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3Swab Testing

Gathers samples from damp or textured areas to identify active mold growth.

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Mold inspection FAQ

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If you can smell something musty, see a stain that wasn't there before, or someone in the house has unexplained respiratory issues, yes. A mold inspection answers what it is, how much there is, and whether it's the kind that needs attention or the kind that's basically harmless. You don't have to figure that out yourself.
It can. Mold spores trigger mold allergies, asthma flare-ups, sinus issues, and skin reactions in a lot of people. Some species, including the black mold you've probably heard about, produce mycotoxins that cause more serious symptoms over time. Kids, older adults, and anyone whose asthma is sensitive to mold are more at risk than the average healthy adult.
A certified inspector walks the property, checks the high-risk areas first (bathrooms, kitchens, attics, basements, around any plumbing), and uses thermal imaging plus moisture meters to find hidden damp. If lab samples are warranted, those get taken and sent off. You receive a written report after.
A typical home runs 45 to 90 minutes depending on size. Larger homes and commercial properties take longer. We tell you the time window when you book.

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Book your mold inspection

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Location

24H Mold Inspection of La Crescenta-Montrose

Call For Service(818) 813-5595