[§339-5] Responsibilities of owners and lessees of real property. It shall be the responsibility of any owner or lessee of real property in state land use urban districts zoned for urban use by the county to maintain sidewalks, alleys, curbs, roadway shoulder areas, fence lines, and hedges immediately adjoining such real property in a litter-free condition except that in no way will the statute be used to release the state and county agencies from continuing their present level of public property maintenance. [L Sp 1977 1st, c 2, pt of §2]