...Mattamy holds the leading market share in the Greater Toronto Area, the largest housing market in Canada. In S&P Global Ratings' view, Mattamy Group's position in the GTA, Canada's largest market, gives it a competitive advantage over its peers due to government-imposed land development restrictions and Mattamy's ample supply of land in the region. This combination not only supports the company's long-term growth but also makes it increasingly difficult for competitors to expand their operations in the GTA. We note that this exposes Mattamy to concentration risk, and a housing downturn in the Canadian markets, particularly in the GTA, could drastically affect Mattamy's earnings and credit ratios. Our assessment of Mattamy also takes into account the company's gross margins, which we view as stronger than peers. Mattamy's adjusted gross margin of about 25% is solidly higher than peers Brookfield Residential Properties Inc. (B/Negative/--), Meritage Homes Corp. (##/Positive/--), and Taylor...