18.72.020 General provisions regarding accessory uses.
Accessory uses shall comply with all requirements for the principal use except where specifically modified by this title and shall comply with the following limitations:
(1) Fences, hedges, walls, and other similar obstructions shall comply with the following:
(a) In residential zones, such obstructions that are located within 20 feet from a sidewalk or, if there is no sidewalk, the curb line, but if there is no sidewalk or curb, then the edge of the improved portion of the street, shall not exceed a height of four feet above ground level except as provided in NBCC 18.72.090.
(b) In residential zones, when such obstructions are more than 20 feet from the furthest edge of the improved portion of the street and are outside a vision clearance area, they shall not exceed a height of eight feet above ground level.
(c) In residential zones, and along a sidewalk or public way, no owner or person in charge of property shall construct or maintain a barbed-wire fence, or permit barbed wire to remain as part of a fence.
(2) A greenhouse or hothouse may be maintained accessory to a dwelling.
(3) A guest house may be maintained accessory to a dwelling only if there are no cooking facilities in the guest house.
(4) In a residential zone a side yard may be reduced to two feet for an accessory structure erected more than 65 feet from a street other than an alley, provided the structure is not an accessory dwelling unit and is detached from other buildings by five feet or more and does not exceed a height of one story nor an area of 450 square feet. (Ord. 2054 § 12, 2021; Ord. 2025 § 15, 2018; Ord. 1952 § 1(4), 2006)