Residential development includes single-family residences and appurtenances, multifamily development and appurtenant structures and uses, including garages, sheds, fences, necessary utilities and driveways as well as the creation of new residential lots through land division. Single-family residences are a priority use when developed in a manner consistent with no net loss of ecological functions.

The construction of a single-family residence by an owner, lessee or contract purchaser for their own use or for the use of their family that does not exceed a height of thirty-five (35) feet above average grade level may be exempt from the requirement for a shoreline substantial development permit but must be consistent with all applicable policies and regulations in the SMP. Refer to the application and interpretation of exemptions in WAC 173-27-040(2)(g).