. Mr. Waterheater is a plumbing and general construction contractor. We provide all plumbing services from residential to commercial as well as a wide variety of construction services. We specialize in water heaters (conventional and tankless) and in bathroom and kitchen remodels. Mr. Waterheater does gas lines, rooter service, sewer repair, copper repiping and earthquake emergency shut-off valves. We are a professional, clean and honest company and would love to do business with you today.