Section 16.24.040 Additional yard regulations.

A. No required yard or other open space around an existing building shall be considered as providing a yard or open space for any other building nor shall 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 or established.

B. On any lot under separate ownership from adjacent lots and of record at the time of the initial enactment of this title and such lot having a smaller width than required for the zone in which it is located, the following conditions shall apply:

1. For interior lots, each side yard may be equal to but not less than the same percentage of the required side yard width as the lot is of the required width; provided, that in no case shall the smaller of the two (2) side yards be less than five (5) feet or the largest less than eight (8) feet.

2. On corner lots, each side yard may be equal to but not less than the same percentage of the required side yard width as the lot is on the required lot width; provided, that in no case shall the side yard on the street side be less than fifteen (15) feet or the other side yard be less than five (5) feet in all residential zones.

C. Every part of a required yard shall be open to the sky unobstructed, except for accessory buildings in a rear yard and except for the ordinary projections of skylights, sills, belt courses, cornices or other ornamental features.

D. Open or lattice-enclosed fire escapes, fireproof outside stairways and balconies opening upon fire towers may project into a yard not more than five (5) feet and the ordinary projections of chimneys and flues are permitted.

E. No accessory building or group of accessory buildings in any residential zone shall cover more than twenty-five (25) percent of the rear yard.

F. No space needed to meet width, yard, area, coverage, parking or other requirements of this title for a lot or building may be conveyed away from such lot or building except as permitted by the Board of Adjustment and any attempted conveyance or lease in violation hereof shall be void.

G. No parcel of land which has less than the minimum width and area requirements for the zone in which it is located may be cut off from a larger parcel of land for the purpose whether immediate or future of building or development as a lot, except by permit by the Board of Adjustment.

H. One (1) zero-side yard may be permitted when approved by the Planning Commission only if the following requirements are met:

1. The remaining one (1) side yard is equal to two-thirds (2/3) of the combined total of the required two (2) side yards of the zone in which it is located;

2. The dwelling units must be attached and have a minimum two (2) hour rated fire wall between them;

3. No zero-side yard will be permitted on the lot side bordering on a residential zone or on a residential lot not utilizing zero-side yard provisions.

I. Additions to dwellings must in design and appearance be similar to the existing dwelling in roof pitch, siding, and other building materials. (PZSC § 03-11-004)