The project won first prize in a national competition in 1982 and was completed in the winter of 1986. In 1990 it received the Governor General's Award for Architecture.

The brief provided for municipal offices and a Council chamber for a rapidly expanding city 16 kilometres due west of Toronto. In addition to the 350,000 square feet of municipal accommodation, the brief also included many social facilities - a day-care centre, restaurant, chapel, public gardens, a municipal art gallery and a public underground garage for 1,000 cars.

The exterior cladding is brick with stone banding and sills. All the inclined roofs are faced in copper sheet with raised seams. In contrast to this sober exterior the public interiors are finished in marble, granite and a variety of fine wood veneers. The project was completed on schedule and within the budget of $70 million.

Facts and Figures
Winner in an open international competition - 1982
Building Contract: 1983 - 1986

Cassa Oggi Issue No. 223, March 1993
AD Volume 58, 1988 'The New Classicism'
Contemporary Canadian Architecture R. Cawker & W. Bernstein, 1988
Progressive Architecture August 1987
The Canadian Architect June 1987
A+U 87:12
The Language of Post-Modern Architecture Charles Jencks, Academy 1987
AD Volume 54, 1984 'Building and Rational Architecture'
Mississauga City Hall, A Canadian Competition Rizzoli, 1984
Modern Classicism Robert Stern, Rizzoli