At O2 Mold Testing, every inspection starts with a real concern that needs clear answers. From single homes to multi-unit buildings, our certified mold specialists follow a consistent inspection and sampling process with attention to detail.
Here, you can review detailed case studies of our recent mold inspection and testing jobs. Each example highlights the initial concerns, the conditions we observed on-site, the sampling methods used when appropriate, and how AIHA-accredited laboratory results provided objective data that supported informed remediation planning by the client and their chosen contractors.

At a waterfront home on Crane's Roost Ct in Annapolis, our team performed air sampling and submitted samples for laboratory analysis to evaluate indoor conditions. The results reported Aspergillus and Penicillium spores in the collected samples. We provided clear findings and practical, non-biased recommendations to support the homeowner's next steps, including moisture control and remediation planning.
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On Cuthbert Ave, a multi-unit property showed signs of hidden moisture and limited air circulation. Using moisture meters and thermal imaging, we identified likely moisture pathways and areas of concern, then collected samples to better understand the conditions present. The final report included photos, lab findings, and prevention-focused guidance that supported a targeted response and moisture management planning.
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Our visit on Deborah Drive in Falls Church involved evaluating a recently renovated home where there were concerns about possible concealed mold. After air and surface sampling, laboratory analysis reported Stachybotrys chartarum in samples associated with both the attic and basement. We provided a step-by-step set of recommendations focused on remediation planning, ventilation improvements, and moisture management to help reduce the chance of recurrence.
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In a Woodbridge townhouse, the homeowner requested testing after a bathroom leak raised concerns about mold. Indoor and outdoor air sampling results indicated Aspergillus niger in one area, which supported a more targeted response rather than unnecessary whole-home work. Our team delivered a concise report with humidity control and leak repair recommendations designed to support long-term moisture control planning.
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A tenant-facing inspection on 2nd St shows how professional air sampling can help identify potential hidden mold sources when no visible growth is present. Indoor vs outdoor spore comparisons indicated elevated indoor levels, and the findings supported remediation planning focused on ventilation, humidity control, and follow-up testing.
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On Glynn Court, our inspection evaluated a home following a previous flood where there were concerns about possible concealed mold. By combining air sampling, moisture detection, and laboratory testing, the results indicated mold contamination in affected areas. We provided documentation and guidance to support remediation planning, along with general moisture-control recommendations intended to reduce the chance of recurrence.
Our South Plainfield project focused on evaluating indoor environmental conditions where the homeowners reported ongoing comfort concerns. Indoor air sampling detected Cladosporium spores in collected samples, which can be associated with moisture conditions and ventilation issues. The findings helped the homeowners address roof-related moisture concerns early and improve air circulation to reduce the likelihood of future growth.
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At a home on Evergreen Place, musty odors and indoor comfort concerns led to a full inspection and testing process. Our technician collected air samples and moisture readings, and laboratory results reported multiple mold types in the samples. The final report outlined clear findings, remediation-support recommendations, and general moisture-control recommendations to help the family move forward with a plan.
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Our Sunrise Key Boulevard inspection followed reports of damp odors and indoor air quality concerns. Air and surface testing indicated elevated Aspergillus and Penicillium spores in collected samples, often associated with moisture conditions, including moisture in wall cavities. The client received a detailed report with remediation-support guidance and humidity control recommendations to reduce the chance of future issues.
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At a Collins Avenue condo, a previous bathroom leak left the owner concerned about potential hidden mold. Air sampling and laboratory analysis indicated elevated spore counts even without visible growth. Our local Miami team provided documented findings that supported early action and moisture control planning in the humid coastal climate.
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Each project reflects our role as an independent mold inspection and testing provider. We focus on documenting observed conditions, collecting samples when appropriate, and delivering clear laboratory data. Our goal is to provide information that supports informed decisions, without performing or directing remediation.
If you are noticing moisture concerns, musty odors, staining, or issues after a recent leak, contact O2 Mold Testing online or call 888-202-1680. We can schedule a mold inspection or testing service and explain what options may be appropriate based on your situation.