City of Dundas issued the following announcement on Aug. 29.
City Hall Will be Close Two Days Thursday and Friday - September 3 and 4 To Allow Staff to Move Into The New City Hall.
This means there will be no City business being done including no answering of phones or emails. Reopening at the ‘new’ City Hall will be on Tuesday, September 8 at 100 Railway Street N (one block south).
Original source can be found here.