Welcome   Mold Testing Services of Oregon, LLC. (MTSO) specializes in consultation, inspections, testing and analysis for mold in residential property. Our services are used by individuals, who know or suspect they have a mold problem.   Real Estate Agents call us for consultation on transactions, where the house inspector has seen what is believed to be a mold problem and would like a professional evaluation.   Home Builders call us during the construction process to evaluate their projects for potential mold problems.   Individuals sensitized to the presence of mold call us for an inspection and testing, before purchasing or renting a home or apartment.