Smith Plumbing Co. was established in 1924. It was purchased in 1962 by Robert Johnston, and became Smith-Johnston Plumbing. Casa Plumbing was established in 1972 by Manny Zimmerman. His sons, Mark and Lee operated the business after his retirement. In 2002, along with another brother Jay, 

the Zimmermans purchased Smith-Johnston, Inc. In order to consolidate both customer bases, the companies were merged and adopted the name Smith-Johnston's Casa Plumbing. This company a has long history, and a commitment to providing top quality Plumbing, Heating, and Air Conditioning Services now and into the future.