It shall be the duty of the owners of lots or portions of lots immediately adjacent to any portion of the roadway of any unpaved street, avenue, lane, alley, court or place, or any portion of any sidewalk thereof, in the City and County of San Francisco, none of which has been accepted by the Supervisors as by law or as in the Charter of said City and County provided, to maintain said roadways or sidewalks adjacent to their property free and clear of rubbish or debris.
(Added by Ord. 16-71, App. 1/26/71)