Except as may otherwise be provided in this title, no building permit shall be issued for a lot unless such lot shall have area, width and depth as required by the regulations for the zone in which the lot is located, and the lot has frontage on a street shown as a town street on the streets master plan, land use map, official zoning maps or on private easements connecting the lot to a street as shown on the above mentioned plans and/or maps. (Ord., 1-18-2005)