PRIVATE STREET SUBDIVISION shall mean any land, improved or unimproved, or portions thereof, shown as a unit or contiguous unit on the last roll preceding the effective date of this title, which is divided for purpose of sale or lease, either immediate or future, into two or more parcels, lots or building sites within any one-year period, which shall include a private street serving any or all such parcels, lots or building sites.
(`83 Code, § 16.08.240) (Ord. 82-19 § 1 (part), 1982)