This appears to be an alternative or incorrect address for 997 Denman Street. It appeared only in the 1901 Vancouver directory: Angus McKay Stewart was living at this address.
There are no other references to this address. Perhaps the directory intended to say that the address was 1801 Nelson Street, which would have been approximately correct.
997 Denman Street – Detail from VPL 2654 Denman Street – north of Barclay Street – around 1904.
997 Denman Street was at the northwest corner of Denman Street and Nelson Street.
Denman Street – between Barclay Street and Nelson Street – detail from Insurance plan – City of Vancouver – July 1897 – revised June 1901 – Sheet 43 – Coal Harbour to Comox Street and Bidwell Street to Stanley Park.