18.40.080 Landscaping – Surface parking areas.
Parking area landscaping shall be provided within surface parking areas with 10 or more parking stalls for the purpose of improving air quality, reducing surface water runoff, providing shade and diminishing the visual impacts of large paved areas as follows:
(1) Residential developments with common parking areas shall provide planting areas at the rate of 20 square feet per parking stall;
(2) Commercial, industrial or institutional developments shall provide landscaping at a rate of:
(a) Twenty square feet per parking stall if 10 to 30 parking stalls are provided; and
(b) Twenty-five square feet per parking stall if 31 or more parking stalls are provided;
(3) Parking islands shall be provided and distributed throughout the parking area as follows:
(a) Parking islands shall be provided at intervals not greater than 10 parking spaces;
(b) Parking islands shall be provided at the end of every parking row;
(4) Permanent curbs or structural barriers shall be provided to protect the plantings from vehicle overhang;
(5) Landscaping around the perimeter of a site that is in addition to the perimeter landscaping required by CMC 18.40.050, and CMC 18.31.130 in the downtown zones, may count toward 10 percent of the required surface parking area landscaping if it is adjacent to the parking area; and
(6) Parking area landscaping shall consist of:
(a) Canopy-type deciduous trees, evergreen trees, evergreen shrubs and ground covers planted in islands or strips;
(b) Shrubs that do not exceed a maintained height of 42 inches;
(c) Plantings contained in planting islands or strips having an area of at least 100 square feet and with a narrow dimension of no less than five feet or as required by CMC 18.31.460, Landscaping;
(d) Ground cover in accordance with CMC 18.40.110; and
(e) At least 70 percent of trees are deciduous. (Ord. 08-21 § 4 (Exh. C); Ord. 04-12 § 1 (Exh. A); Ord. 10-10 § 3 (Exh. C); Ord. 42-02 § 2 (21A.16.070))