Did the stain follow a leak or rainfall?
Note ceiling, window or exterior-wall staining and any roof transitions or deck connections close to the affected area.

An odor, stain or past leak is a starting point, not a diagnosis. We review the reported area and its water history. Ask about the inspection and testing scope for your Cornelius property.
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Trace the water history
For a Cornelius property, the useful detail is the connection between a reported condition and an actual water event. A sloped lot, deck or lower room matters when that history makes it relevant.
Being near the lake does not establish that a property has mold.
For materials that are still wet after a leak, ask about water damage restoration in Cornelius as a separate cleanup and drying need.
Note ceiling, window or exterior-wall staining and any roof transitions or deck connections close to the affected area.
Identify the fixture, supply line or appliance involved, plus any affected cabinets, flooring or nearby wall materials.
Describe repeated dampness, runoff or standing water around a crawl area, lower level or room beside exterior grade.

Local ownership
We are Fred and Jean Marie Dour, owners of MasterTech Environmental Charlotte. We serve Cornelius and the greater Charlotte area.
Learn about our backgrounds and approach before you request an inspection.
Meet Fred and Jean MarieBuilding systems and access
The accessible space determines what can be observed. Shared systems and managed buildings may require additional information.
The reported concern may lead to questions about the roof, plumbing, HVAC, attic, crawl area or drainage within the agreed scope.
Shared roofs, plumbing and common walls may matter even when the visible concern is inside one unit.
Ceiling systems, rooftop equipment, tenant changes and operating hours can affect inspection access.
From observations to a decision
We review the reported concern, accessible conditions and relevant moisture indicators. Before booking, ask which inspection and testing services are proposed and what is included.
Written findings explain the observations, access limitations and practical next steps. Ask how any testing results will be explained. Discuss cleanup separately if the findings indicate it is needed.
Put the details in one place
Contact us with the affected room or material, when it appeared and any known leak or repair. We can discuss whether an inspection is the appropriate next step.