Founded in 2001, Mackenzie Architects is known for our originality, resourcefulness, and people-first approach.. Our portfolio covers a broad array of building sizes and types, with a particular focus on senior living, multifamily, mixed-use, modular construction, and healthcare.. Developers of an innovative new prototype for loft housing, we are thought leaders in systems-built construction. Mackenzie Architects also calls upon decades of experience in all facets of senior housing—55 & older cottages, independent living, assisted living, memory care, skilled nursing, and Aging in Community—to work with those who want to shape a new definition of aging, retirement, and community for the 21st century.