Mattamy Homes

Mattamy Homes is a Toronto, Ontario based home builder founded by Peter Gilgan in 1978. It is now Canada's largest residential home builder.

The company name incorporates the names of Gilgan's two oldest children, Matt and Amy.

Gilgan sits as an advisor to Canada's Ecofiscal Commission.

Most of Mattamy's projects have been in Southern Ontario, but it has built homes in Ottawa, Ontario, Calgary, Alberta and some projects in the United States.