A-Pro Home Inspection St Charles County conducts property evaluations throughout the O'Fallon metro and its surrounding communities. Its 500-point inspection service assesses areas for the presence of radon and lead, termite infestations, and mold growth. It also offers HUD and FHA inspections, pre-purchase, new construction, and commercial building evaluations. Derek Ehlert, its ITI-certified building inspector, has been helping buyers make informed judgments since 1994. He has also been certified by ASHI, ISHI International, CHI, and PHI. His services include 24-hour assistance and foundation-level survey.