A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z  Z ZERO LOT LINE The construction of a building on any of the boundary lines of a lot Usually built on the front line such as a store built to the sidewalk ZERO SIDE YARD The building of a subdivision with each house built on a side boundary line. This gives more usable yard space on narrow lots. An easement for maintenance is given over a portion of the lot adjoining each house ZONE (1)     An area of a county or city in which the use of the land is restricted by law (zoning ordinance) (2)     An area designated by a number for the delivery of mail Zip codes incorporate the zones