OBSOLESCENCE
The process of an assets value diminishing due to the development of more desirable alternatives or because of the degradation of its capabilities.

OCCUPANCY
A physical presence within and control of a property.

OCCUPANCY RATE
The percentage of properties in a given area that are occupied.

OFF-SITE IMPROVEMENTS
Buildings, structures or other amenities which are not located on a piece of property, but are necessary to maximize the use of the property or in some way contribute to the value of the property.

OFF-STREET PARKING
Designated parking spaces associated with a particular building or other structure which are not located on public streets.

ON-SITE IMPROVEMENTS
Buildings, structures or other amenities that are erected on a piece of property and contribute to its value.

OPEN SPACE
Any land which has not had any significant buildings or structures erected on it. Most often used to describe desirable neighborhood features like parks.

ORIGINAL EQUITY
The amount of cash a home buyer initially invests in the home.

ORIGINAL PRINCIPAL BALANCE
The total amount of principal owed on a mortgage loan at the time of closing.

ORIGINATION FEE
Refers to the total number of points paid by a borrower at closing.

OWNER FINANCING
A transaction where the property owner provides all or part of the financing.

OWNER OCCUPIED
The state of property wherein the owner occupies at least some portion of the property.