Encroachments are subject to the following provisions in the indicated zones:
A. All Zones: Every required yard must be open and unobstructed from the ground up, except the following intrusions may project two feet into required yards, provided the required yard cannot be reduced to less than three feet in width:
1. Bay and greenhouse windows, on the first floor in any setback and on the second floor only in the front yard setback, provided that said window is not wider than eight feet measured in the general direction of the wall of which it is a part;
2. Cornices, corbels, columns, belt courses, sills, eaves or other similar architectural building features as defined in section 15-1-6 of this title. Eaves may project six inches into any nonconforming side or rear yard which is three feet in width;
3. Fireplace structures not wider than eight feet measured in the general direction of the wall of which it is a part;
4. Planting boxes or masonry planters not exceeding 42 inches in height;
5. Uncovered porches, platforms and landings which do not extend above the floor level of the first floor. Ramps, stairs, and safety guardrails leading to said porches, platforms and landings may encroach further into a required setback but must maintain at least a three-foot distance to a property line; and
6. "Architectural landscape features" as defined in section 15-1-6 of this title may encroach into setbacks as specified in section 15-2-14 of this chapter.
B. Residential Zones: In Residential Zoning Districts:
1 A porte-cochere (open carport) may be placed over a driveway in the front 20 feet of one side yard setback, outside of the front yard setback, or attached to the front 20 feet of one dwelling unit closest to the front lot line, provided the structure is not more than one story in height; is unenclosed on three sides; and is entirely open except for the necessary supporting columns and architectural features.
2. Mechanical equipment, such as pool heaters, water heaters, air conditioners, and solar energy system appurtenances not wider than eight feet measured in the general direction of the wall of which it is a part, and adequately soundproofed, may project two feet into required side and rear yards, provided the required yard cannot be reduced to less than three feet.
3. Detached arbors, pergolas, or trellises that partially cover a walkway and do not exceed eight feet in overall height, six feet in width, and five feet in length may have a zero setback in the front and street-side yards. However, the structures must comply with the requirements of sections 15-2-6, "Corner And Alley Clearance", and 15-2-11, "Driveway Visibility", of this chapter.
4. Uncovered porches, platforms and landings which do not exceed 12 inches in height above finished grade may have a zero setback in non-street fronting side and rear yards.
5. Built-in barbeques may have a zero setback in non-street fronting side and rear yards provided that the structures:
a. Have no trellis or similar cover;
b. Are placed adjacent to an existing solid wall;
c. Do not exceed the maximum height of the adjacent solid wall, up to a maximum of six feet;
d. Are less than 120 square feet in size;
e. Are located a minimum of three feet from an adjacent structure; and
f. Are consistent with the California Fire Code.
C. Nonresidential Zones: In nonresidential zoning districts, mechanical equipment and accessory structures that do not contain occupied space, as defined by the California Building Code adopted by this Code, or that do not contain net floor area, as defined in section 15-1-6 of this title, may be located within a required interior side or rear setback area.
1. Mechanical equipment includes emergency generators; air conditioning and heating units; transformers; solar energy system appurtenances; and other equipment that is accessory to the principal permitted use. Mechanical equipment does not include electrical substations.
2. Accessory structures include trash and recycling enclosures; ground-mounted and covered parking solar energy systems; and structures that exclusively house building operating equipment that is accessory to the principal permitted use.
3. Mechanical equipment and non-occupied accessory structures within a required setback are subject to the following requirements:
a. The mechanical equipment or accessory structure may not be higher than 18 feet.
b. The mechanical equipment or accessory structure may not be longer than 60 feet parallel to the line of the property to which it is situated or longer than 35 percent of the length of such property line to which it is situated, whichever is less.
c. The mechanical equipment or accessory structure may not be located within a required interior side or rear setback area if the interior side or rear property line abuts a residentially zoned property or abuts a public street.
d. Operation of the mechanical equipment must not exceed the noise standards for commercial and industrial property as identified in this Code.
e. The mechanical equipment or accessory structure must be set back from any interior side or rear property line to meet all access, safety, and screening requirements as specified in title 13 of this Code and this title, including, but not limited to, adequate ingress and egress for public safety employees.
D. Urban Mixed Use North (MU-N), Urban Mixed Use South (MU-S), Corporate Office (CO) And Light Industrial (M-1) Zones: In addition to the encroachments permitted in nonresidential zoning districts generally, patios, decks, and similar outdoor areas used as gathering spaces; and outdoor dining areas, may be located within setback areas as follows:
1. Stairs, pedestrian ramps, and related safety guardrails must maintain at least a three-foot distance to a lot line.
2. Patios, decks, and similar outdoor areas used as gathering spaces, and outdoor dining areas must be enclosed by walls, fences, and/or hedges. These may be up to 42 inches in height and maintain at least a five-foot distance to a property line. Walls, fences, and/or hedges may exceed 42 inches in height, provided that the portion exceeding 42 inches in height is of a transparent or translucent material, subject to the review and approval of the Director. These areas may be covered by a nonsolid trellis or pergola; or by a retractable awning, large umbrella or other similar nonpermanent cover which provides protection from rain, subject to the approval by the Director. (Ord. 1588, 9-3-2019; amd. Ord. 1648, 6-21-2023)