(a) "Subdivision" means the division of any parcel of land shown as a unit or as contiguous units on the last preceding tax roll, into two or more parcels, sites or lots any one of which is less than five acres, for the purpose, whether immediate or future, of transfer of ownership and shall include any division of any parcel of land along existing public street, or involving the opening, widening or extension of any street or road, or
(b) The improvement of one or more parcels of land for residential, commercial, or industrial structures or groups of structures involving the division or allocation of land along an existing public street, or involving the opening, widening or extension of any street or road, except private streets serving industrial structures; the division or allocation of land as open spaces for common use by owners, occupants or lease holders or as easements for the extension and maintenance of public sewer, water, storm drainage or other public facilities.
(Ord. 164-1984. Passed 1-28-85.)