Section 9.02   Accessory Buildings and Uses
   (1)   Accessory buildings shall not be constructed upon a lot until after the construction of the principal building has begun.
   (2)   Accessory buildings in Single-Family Residential zoning districts shall not be rented or leased for any purpose.
   (3)   The cumulative square footage of the guest house shall not exceed one-third (1/3) of the total square footage of the livable area of the principal structure.
   (4)   No more than one (1) guest house is permitted per lot or parcel.
   (5)   An accessory building shall not be used or occupied until the certificate of occupancy for the principal building has been issued by the Building Official.
   (6)   Both the principal building and guest house shall be served by a common single electric meter and water meter (if applicable).
   (7)   Principal buildings and accessory structures shall be served by a single common driveway unless approved by the Zoning Administrator.
   (8)   Design of accessory buildings shall be compatible with the design of the principal dwelling in materials, colors and architectural style.