MINOR SUBDIVISION.  Any real property improved or unimproved, or portion thereof, shown on the latest adopted county tax roll as a unit or as contiguous units, which is divided for the purpose of sale, lease, or financing, whether immediate or future, by any subdivider in four or less parcels. (Ord. 244 § 2 (part), 1967: Ord. 89 § 2.6(a), 1955).