B. F. Mahn & Sons, Inc. in De Soto, MO provides commercial and residential plumbing and HVAC services. We are proud to serve customers across Jefferson County. Since 1868, our family-owned and operated business has been the name homeowners and business owners trust with all of their heating and plumbing needs, as well as bathroom remodeling services.
We offer competitive pricing, a full range of products, and exceptional customer service. From routine maintenance to urgent problems, you can trust our team of certified licensed plumbing and mechanical contractors. We work hard to provide the latest state of the art products and services and keep current through continuing education courses.