Mackenzie Collier Interiors is a full-service residential & commercial interior design team in the heart of downtown Phoenix's historic Roosevelt Row, specializing in sustainable, functional design. We focus on working closely with clients to create personalized, stress-free design experiences, helping families and businesses express themselves through their unique spaces. Mackenzie Collier Interiors is a Best of Houzz award winner five years running. Functional. Sustainable. Innovative. Fun!