The damage estimate for a fire at a vacant two-storey home in Dundas is valued at $500,000.
It started just before 6 p.m. at 74 Best Ave.
The Hamilton Fire Department said the fire was well involved by the time they arrived, with the front of the structure heavily damaged and flames protruding through the roof.
No injuries have been reported.
Ontario’s Office of the Fire Marshal has been called to investigate the cause.