Heintzman Sanborn is a firm specializing in a wide variety of residential projects, both renovation work and new construction.

Each project is created with a focus on time honoured building practices. The firm excels in creating authentic detailing, both interior and exterior. The focus of the practice is to bring each individual client’s vision to life, so their home is a unique and original creation reflective of their personal aesthetic. As a result, the design work of Heintzman Sanborn is widely diversified in style, scope, and scale.

We offer a superior level of service by combining both architectural and interior design services. Architectural services are offered through the Ontario Association of Architects (T.M. Sanborn OAA). Heintzman Sanborn is also registered with the Association of Registered Interior Designers of Ontario (ARIDO).

Howard Heintzman is a graduate of Upper Canada College and The University of Toronto, Faculty of Architecture. For the past twenty eight years he has been a passionate advocate of traditional architecture. His specialty is the development of unique houses, which reflect his wide knowledge base of both the classical and vernacular styles. 

Maureen Sanborn is also a graduate of The University of Toronto Faculty of Architecture. Her study of building in the classical and modern traditions began during her work abroad in Paris. Her specialty is the development of residential architecture and planning, interior design and furniture design.  

Professional Memberships:

Ontario Association of Architects (OAA)

Association of Registered Interior Designers of Ontario (ARIDO)