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King County Department of Assessments

Fair, Equitable, and Understandable Property Valuations

Department of Assessments

500 Fourth Avenue,
Suite ADM-AS-0708,
Seattle, WA 98104

Office Hours:
Mon - Fri
8:30 a.m. to 4:30 p.m.

TEL: 206-296-7300
FAX: 206-296-5107
TTY: 206-296-7888

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Glossary of terms for commercial parcels

VACANCY AND COLLECTION LOSS
Vacancy loss is a necessary deduction from gross income because property will not remain fully rented for entire period of life.

VARIABLE
An item of observation that can assume various values, for example, square feet, sales prices, or sales ratios.  Variables are commonly described using measures of central tendency and dispersion.