The fire engulfed a number of homes under construction at the corner of 136A Avenue and 228 Street in a subdivision at the Silver Ridge development.
People working on the homes say the blaze might have started with a spark from a roofer`s torch.
The fire has now destroyed at least four of the homes, which were unoccupied.
One other home where a family is currently living has also been severely damaged. They were not home at the time.
No injuries have been reported.
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