MERTZ | CASAZZA is a full-service residential design-build firm located in Grosse Pointe.  We have grown our reputation for implementing creative solutions to complex home renovations and ground-up construction projects.  Our principal strength is our knowledge and passion for beautiful design and quality. Beyond our experience, we bring timeliness, organization and professional oversight to the entire project team.  Our high-touch approach ensures that we complete our projects on-schedule and within budget, while providing our clients with a single point of contact for all construction and architectural needs.