21.20.080 Accessory structures.

(1)    All accessory structures shall comply with the following development standards, except as otherwise permitted for accessory dwelling units pursuant to Section 21.10.030:

(A)    The lot coverage shall include accessory structures in the lot coverage calculations for the lot.

(B)    The distance between buildings used for human habitation and accessory buildings shall be not less than ten feet.

(C)    When proposed on a lot adjoining native vegetation, accessory structures within a fire suppression zone must be reviewed and approved by the fire department.

(D)    Buildings shall not exceed one story.

(E)    Building height shall not exceed fourteen feet if a minimum roof pitch of 3:12 is provided or ten feet if less than a 3:12 roof pitch is provided.

(2)    Habitable detached accessory structures shall comply with all requirements of the zone applicable to placement of a dwelling unit on a lot including setbacks.

(3)    Detached accessory structures, which are not dwelling units and contain no habitable space, including but not limited to garages, workshops, tool sheds, decks over thirty inches above grade, and freestanding patio covers shall comply with the following additional development standards when located within a lot’s required setback areas:

(A)    The maximum allowable building area per structure shall not exceed a building coverage of four hundred forty square feet.

(B)    The following setbacks shall apply: A front yard setback of twenty feet, a rear yard setback of five feet, a side yard setback of five feet, and an alley setback of five feet.

(C)    The maximum plumbing drain size shall be one and one-half inches in diameter so as to prohibit toilets, showers, bathtubs and other similar fixtures.

(D)    The additional development standards listed above (subsections (3)(A) through (C) of this section) shall apply to the entire subject accessory structure, not just the portion encroaching into a lot’s setback area.

(4)    The provisions of this section are applicable notwithstanding the permit requirements contained in Section 18.04.015. (Ord. CS-384 § 18, 2020; Ord. CS-324 § 15, 2017; Ord. NS-718 § 12, 2004; Ord. NS-355 § 12, 1996; Ord. NS-243 § 17, 1993; Ord. 9188 § 1; Ord. 9060 § 907)