Toronto Fire crews were working on a two-alarm fire at a house on Dempsey Crescent, near Bayview Ave. and York Mills Rd., that broke out early Thursday morning.
The service said crews arrived to the home fully enfulfed in flames and that fireground operations were continuing.
The residence is listed for sale for $13.8 million according to realtor.ca. and has been on the market since October.
Instagram account, AreaCode416ix, who posted a photo of the mansion with smoke still present and fire crews in attendance, reported that the blaze broke out at around 6 a.m.