Any parcels or land or lots subject to § 17.62.610 which are unimproved on the effective date of this section, shall be required, at the time of any improvement or development of such parcel of land or lot, to plant and maintain 48 inch box trees in the parkway between the street and the front yard setback line in accordance with applicable city standards for street tree planting and maintenance.
(Ord. 2379 § 1, 1999.)