Z-flashing A special
type of metal flashing that protects horizontal joints between siding panels
that don't overlap. It has a Z-shaped profile and is designed to tuck up under
the upper panel and overlap the lower one.
zero-lot line The
positioning of a house near or on top of the lot boundary, resulting in little
or no space between houses.
zero-net When the
seller receives little or no net proceeds from the property
sale.
zoning Regulations
that control the use of land within a jurisdiction.
zoning variance A
one-time modification of existing zoning law.