210.360 Accessory Structures.
Structures which are incidental to the primary building such as garages, greenhouses, decks, wood sheds, porches, small-scale residential energy equipment, and recreational structures are considered accessory structures. These structures are allowed when they meet the following requirements:
1. Attached Accessory Structures. If attached to the primary building or separated by a breezeway, accessory structures shall fulfill the front, side and rear building setbacks of the primary building. These standards are stated in Table 210-3.
2. Detached Accessory Structures. If detached and located behind the rear-most line of the main building, or a minimum of 50 feet from the front lot line, whichever is greater, any structure in compliance with the Oregon Structural Specialty Code for residential may be located adjacent to or on the rear and/or side lot line not fronting on a street.