Markham By-law 2017-27, s. 10.12 — Keep Markham Beautiful (Maintenance) By-law

The Owner of a townhouse complex that has one or more main points of access and where the Building or Buildings front onto an Internal Private Road(s) shall:

• a) firmly affix to and maintain on the front of the individual units, of the Building or Buildings, the unit number which shall be at least 4 inches (100 millimetres) high, and shall be located so as to be clearly visible from the Internal Private Road on which the unit has its access; and
• b) at the point(s) of access where the Internal Private Road(s) intersects the Street(s) the Owner is to place and maintain a permanent sign(s) constructed of durable material, displaying the Municipal Address Number(s) of the Building or Buildings in the complex and the range of unit numbers. Where there are two or more Internal Private Roads within the complex the sign(s) is to contain a map that depicts the layout of the Internal Private Roads, the layout of the Buildings and the unit numbers contained in each Building. The numbers shall be at least 4 inches (100 millimetres) high and the sign(s) is to be located so as to be clearly visible from the Street.