Adverse Site Conditions
Negative influences on or near a property — busy roads, power lines, drainage problems, incompatible adjacent uses. Appraisers identify them, analyze market reaction, and adjust comparables that do not share the condition.
Related Terms
External Obsolescence
A loss in property value caused by factors external to the property, such as a busy highway, industrial proximity, declining neighborhood, or unfavorable zoning changes.
Environmental Contamination
Hazardous substances affecting a property — leaking oil tanks, soil or groundwater contamination, asbestos.
Location Analysis
The evaluation of a property's position relative to surrounding land uses, transportation, employment centers, schools, amenities, and negative influences.
More in Property Characteristics
View allGross Living Area (GLA)
GLAThe total finished, above-grade living area of a residential property, measured in square feet.
Gross Building Area (GBA)
GBAThe total area of a building measured from the exterior walls, including all finished and unfinished, above-grade and below-grade spaces.
Below-Grade Area
Any portion of a building that is below the ground level on any side.
ANSI Z765 Measurement Standards
ANSIThe American National Standards Institute standard for measuring residential floor area.