OFF-SITE COSTS:
Expenditures for facilities required by a particular development but located elsewhere (such as streets, schools, sewers and waste disposal facilities).

OFF-SITE IMPROVEMENTS:
Facilities which are required for the use and development of a particular property but which are located elsewhere.

ON-SITE IMPROVEMENTS:
Work completed on a property which add to its value or utility. An advertised period of time in which a property which is for sale is available for inspection by prospective purchasers.

OUTBUILDING:
A structure that is not a part of the main building but is necessary to the full enjoyment of the property (i.e. a shed, garage, etc.).

OUTRIGGER:
The extension of a rafter beyond the supporting wall line. Usually refers to the nailing of a shorter piece of wood being nailed to the existing rafter so that it creates a roof overhang.