CMHC Tightens Mortgage Insurance Rules Starting July 1 The government-backed Canada Mortgage and Housing Corp said on Thursday it would tighten rules for offering mortgage insurance from July 1, 2020. The move would make it harder for riskier borrowers, who offer downpayments of less than 20 per cent to access CMHC's default mortgage insurance. CMHC is establishing a minimum credit score of 680 instead of the current 600, the group said in an emailed statement. It will... [read more]