Global News at 10 Regina December 13 2018 6:30pm 01:42 Mortgage stress test stressing Sask. homebuilders The Regina and Saskatoon Hombuilders Associations are seeing a decline in single-family homes being built, and link it to new federal mortgage rules. David Baxter explains. Vulnerability still exists in Saskatoon’s housing market: CMHC Mortgage stress test stressing out Sask. homebuilders Responsive site?