Building permits in Canada surged 14.9% month-on-month to C$13.8 billion in October 2025, marking the fastest growth since June 2024 and and significantly exceeding market expectations for a 1.4% decline. The surge was led by the residential sector, which added C$1.1 billion to reach C$8.6 billion, with Ontario driving the gains as multi-family permits climbed C$1.0 billion to C$5.9 billion, concentrated in the Toronto CMA and Quebec. Single-family permits rose C$47 million to C$2.6 billion, led by Alberta. Non-residential construction added C$702.8 million to total C$5.3 billion, with commercial (+C$394.9 million) and institutional (+C$311.8 million) projects fueling growth, particularly in Ontario and British Columbia, while industrial permits slipped marginally.