No lot area may be so reduced or diminished that the yards or other open spaces will be smaller than prescribed by this title, nor may the occupancy be increased in any manner except in conformity with the regulations herein established. No required yard or other open space around an existing building, or which is hereafter provided around any building for the purpose of complying with the provisions of this title may be considered as providing a yard or open space for any other building, nor may any yard or other required open space on an adjoining lot be considered as providing a yard or open space on a lot whereon a building is to be erected.

(1965 code Title XII, Ch. 3, § 9(B))

No building or structure shall be erected on a lot which abuts a street having only a portion of its required street width dedicated and where no part of such dedication would normally revert to the lot if the street were vacated unless provision is made for the dedication and improvement of that portion of the lot. The yards provided and maintained in connection with such building or structure have a width or depth equal to that needed to complete the road width, plus the width or depth of the yards required on the lot or parcel by this title, if any This section applies to all zones and whether or not yards are required. This section does not require a yard of such width or depth as to reduce the building width of a corner lot to less than forty feet.

(1965 code Title XII, Ch. 3, § 9(c)

A detached accessory building, or combination of accessory buildings may occupy not more than twenty-five percent of a rear yard as defined in Section 18.04.770, provided that the maximum building coverage in a single-family residential zone shall not exceed thirty percent of the total lot area. An accessory building may be located within five feet of any interior property line adjacent to the rear yard area. In the case of a reversed corner lot, no accessory buildings shall be located nearer to the side lot line on the street side of the reversed corner lot than the front yard depth required on the key lot in the rear. An accessory building having more than one hundred twenty square feet of roof area shall be separated from the main structure on the lot a minimum distance of ten feet.

(Ord. 1169 § 1 (part), 1992: 1965 code Title XII, Ch. 3, § 9(F))

Patio covers and patio enclosures, defined as nonhabitable space in the adopted Uniform Building Code may be attached to the rear and side of a residential structure on a lot, provided that the patio cover or patio enclosure shall not be located nearer than five feet from the side lot line or ten feet from the rear lot line.

(Ord. 1169 § 1 (part), 1992: Ord. 685 (part), 1975)