King County Department of Assessments

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Glossary of terms for commercial parcels

GRADE
	Classification by construction quality, which refers to the types of materials used and, the quality of workmanship. Buildings of better quality (higher grade) cost more to build per unit of measure and command higher value.
GROSS INCOME MULTIPLIER(GIM)
	A capitalization technique that uses the ratio between the sale price of a property and its potential gross income or its effective gross income. Once calculated for several similar assets, a GIM may be multiplied against the income of a property to obtain an estimate of value.