The department's offices are located at 30 Mary Street, Brisbane.
Mary Street is a major road in the Brisbane central business district.
Alice Street lies to the south, while Mary Street runs parallel to the north.
The site at 45 Mary Street was later demolished and is occupied today by a department store.
The high point of the town is located in Mary Street where there is a large water storage tank.
A northbound exit was also provided at Mary Street for traffic coming from the south and east.
In 1866, Susan Waters moved into what is now one of the larger properties on Mary Street.
The head office of the department is at 61 Mary Street in Brisbane.
Farther north on Mary Street is the old school, later a Women's Institute.
When Amity moved into the second place on Mary Street, they found they needed a truck.