Mold Testing: When You Need It and What to Expect
Finding mold in your home raises an immediate question: should you test it or just remove it? The answer depends on your specific situation, and understanding when testing adds value helps you make the right decision.
When Mold Testing Is Recommended
When Testing May Not Be Necessary
Types of Mold Testing
What to Expect During Testing
A certified mold inspector will take samples from affected areas and at least one outdoor control sample. Samples are sent to an accredited laboratory. Results typically take 3-5 business days and include species identification, spore counts, and comparison to normal background levels.
Interpreting Results
Mold is everywhere — even clean homes have some spore counts. What matters is whether indoor levels significantly exceed outdoor levels and whether certain dangerous species are present. A qualified inspector will explain results in context and recommend appropriate action.
The Bottom Line
Don't let testing delay action on visible mold. But when testing is warranted — for hidden mold, insurance documentation, or post-remediation clearance — it provides valuable data. AST can coordinate professional mold testing through accredited third-party laboratories and help you understand the results.