Columbia House Washing is the areas leader in pressure washing that has been in business over 20 years. We specialize in cleaning dirt, mold, and mildew off of houses and concrete for both homes and businesses. We are a professional company and stand behind our work. We specialize in both residential and commercial properties. Fully insured and licensed. Call or email for a free estimate. 'No job too big, or too small so give us a call at 573-445-WASH"