Plumber Darien IL. We are family owned and operated – And we consider you family, too! Here at LaCassa Plumbing we believe in customer satisfaction. We strive on performance, perfection and priority to our customers to leave you feeling 100 percent satisfied when you call us for your plumbing and drain cleaning needs. LaCassa Plumbing was created with one goal – to help people. We understand that finding a trustworthy and reputable plumbing contractor can be difficult. As a husband and father of three beautiful daughters, and founder and owner, I understand the challenges of everyday life. Our vision is to provide an outstanding service and exceptional customer care.