The subdivider shall install Portland concrete sidewalks not less than four feet wide when adjacent to the property line or not less than five feet wide, excluding curb when adjacent to the curb along that side of all service roads upon which lots abut and on both sides of all other streets and highways. In either case allowable lot area includes only that portion not within street right-of-way.
(Ord. 537 § 2 (part), 1985)