Below is a list of median Gross Rent Multipliers (GRMs) categorized by county for apartment rental properties.

CountyGRMProperty TypeYear Built
Gross Rent Multiplier for Los Angeles County, California14.131-3 Floors1950-1979
Gross Rent Multiplier for Cook County, Illinois9.921-3 Floors1949 or older
Gross Rent Multiplier for Harris County, Texas8.681-3 Floors1950-1979
Gross Rent Multiplier for Maricopa County, Arizona11.111-3 Floors1950-1979
Gross Rent Multiplier for San Diego County, California14.41-3 Floors1950-1979
Gross Rent Multiplier for Orange County, California14.631-3 Floors1950-1979
Gross Rent Multiplier for Kings County, New York14.241-3 Floors1949 or older
Gross Rent Multiplier for Miami-Dade County, Florida10.981-3 Floors1950-1979
Gross Rent Multiplier for Dallas County, Texas8.651-3 Floors1950-1979
Gross Rent Multiplier for Queens County, New York131-3 Floors1949 or older
Gross Rent Multiplier for Riverside County, California12.131-3 Floors1950-1979
Gross Rent Multiplier for San Bernardino County, California9.631-3 Floors1950-1979
Gross Rent Multiplier for Clark County, Nevada10.681-3 Floors1950-1979
Gross Rent Multiplier for King County, Washington14.111-3 Floors1950-1979
Gross Rent Multiplier for Wayne County, Michigan6.851-3 Floors1949 or older
Gross Rent Multiplier for Tarrant County, Texas8.631-3 Floors1950-1979
Gross Rent Multiplier for Santa Clara County, California14.711-3 Floors1950-1979
Gross Rent Multiplier for Broward County, Florida9.771-3 Floors1950-1979
Gross Rent Multiplier for Bexar County, Texas8.331-3 Floors1950-1979
Gross Rent Multiplier for New York County, New York15.151-3 Floors1949 or older
Gross Rent Multiplier for Philadelphia County, Pennsylvania11.181-3 Floors1949 or older
Gross Rent Multiplier for Alameda County, California13.331-3 Floors1950-1979
Gross Rent Multiplier for Middlesex County, Massachusetts11.981-3 Floors1949 or older
Gross Rent Multiplier for Suffolk County, New York11.051-3 Floors1950-1979
Gross Rent Multiplier for Sacramento County, California13.111-3 Floors1950-1979
Gross Rent Multiplier for Bronx County, New York11.191-3 Floors1949 or older
Gross Rent Multiplier for Nassau County, New York9.81-3 Floors1950-1979
Gross Rent Multiplier for Palm Beach County, Florida8.891-3 Floors1950-1979
Gross Rent Multiplier for Cuyahoga County, Ohio6.541-3 Floors1949 or older
Gross Rent Multiplier for Hillsborough County, Florida9.241-3 Floors1980-1999
Gross Rent Multiplier for Allegheny County, Pennsylvania8.351-3 Floors1949 or older
Gross Rent Multiplier for Oakland County, Michigan8.011-3 Floors1950-1979
Gross Rent Multiplier for Franklin County, Ohio9.161-3 Floors1950-1979
Gross Rent Multiplier for Hennepin County, Minnesota10.011-3 Floors1950-1979
Gross Rent Multiplier for Orange County, Florida101-3 Floors1950-1979
Gross Rent Multiplier for Contra Costa County, California13.331-3 Floors1950-1979
Gross Rent Multiplier for Salt Lake County, Utah13.941-3 Floors1950-1979
Gross Rent Multiplier for Travis County, Texas11.261-3 Floors1950-1979
Gross Rent Multiplier for St. Louis County, Missouri8.91-3 Floors1950-1979
Gross Rent Multiplier for Pima County, Arizona10.491-3 Floors1950-1979
Gross Rent Multiplier for Montgomery County, Maryland10.571-3 Floors1950-1979
Gross Rent Multiplier for Honolulu County, Hawaii14.51-3 Floors1950-1979
Gross Rent Multiplier for Westchester County, New York9.881-3 Floors1949 or older
Gross Rent Multiplier for Milwaukee County, Wisconsin8.491-3 Floors1949 or older
Gross Rent Multiplier for Fresno County, California9.551-3 Floors1950-1979
Gross Rent Multiplier for Shelby County, Tennessee7.111-3 Floors1950-1979
Gross Rent Multiplier for Fulton County, Georgia10.21-3 Floors1950-1979
Gross Rent Multiplier for Mecklenburg County, North Carolina111-3 Floors1950-1979
Gross Rent Multiplier for Erie County, New York8.71-3 Floors1949 or older
Gross Rent Multiplier for DuPage County, Illinois8.971-3 Floors1950-1979
Gross Rent Multiplier for Fairfield County, Connecticut101-3 Floors1949 or older
Gross Rent Multiplier for Pinellas County, Florida9.721-3 Floors1950-1979
Gross Rent Multiplier for Bergen County, New Jersey10.821-3 Floors1950-1979
Gross Rent Multiplier for Marion County, Indiana7.061-3 Floors1950-1979
Gross Rent Multiplier for Wake County, North Carolina11.271-3 Floors1980-1999
Gross Rent Multiplier for Hartford County, Connecticut7.041-3 Floors1949 or older
Gross Rent Multiplier for Duval County, Florida8.91-3 Floors1950-1979
Gross Rent Multiplier for Prince George's County, Maryland9.11-3 Floors1950-1979
Gross Rent Multiplier for New Haven County, Connecticut8.061-3 Floors1949 or older
Gross Rent Multiplier for Macomb County, Michigan7.521-3 Floors1950-1979
Gross Rent Multiplier for Kern County, California10.181-3 Floors1950-1979
Gross Rent Multiplier for Ventura County, California12.51-3 Floors1950-1979
Gross Rent Multiplier for Middlesex County, New Jersey10.421-3 Floors1950-1979
Gross Rent Multiplier for Gwinnett County, Georgia8.681-3 Floors1950-1979
Gross Rent Multiplier for San Francisco County, California15.561-3 Floors1949 or older
Gross Rent Multiplier for Baltimore County, Maryland8.091-3 Floors1950-1979
Gross Rent Multiplier for Hamilton County, Ohio7.811-3 Floors1950-1979
Gross Rent Multiplier for El Paso County, Texas7.991-3 Floors1950-1979
Gross Rent Multiplier for Montgomery County, Pennsylvania9.171-3 Floors1949 or older
Gross Rent Multiplier for Worcester County, Massachusetts8.671-3 Floors1949 or older
Gross Rent Multiplier for Pierce County, Washington12.471-3 Floors1950-1979
Gross Rent Multiplier for Essex County, New Jersey10.31-3 Floors1949 or older
Gross Rent Multiplier for Collin County, Texas12.31-3 Floors2000 or newer
Gross Rent Multiplier for Hidalgo County, Texas8.021-3 Floors2000 or newer
Gross Rent Multiplier for Monroe County, New York7.361-3 Floors1949 or older
Gross Rent Multiplier for Essex County, Massachusetts10.241-3 Floors1949 or older
Gross Rent Multiplier for Jefferson County, Kentucky7.731-3 Floors1950-1979
Gross Rent Multiplier for Multnomah County, Oregon12.961-3 Floors1950-1979
Gross Rent Multiplier for Suffolk County, Massachusetts12.731-3 Floors1949 or older
Gross Rent Multiplier for Oklahoma County, Oklahoma7.971-3 Floors1950-1979
Gross Rent Multiplier for San Mateo County, California15.751-3 Floors1950-1979
Gross Rent Multiplier for Snohomish County, Washington13.161-3 Floors1950-1979
Gross Rent Multiplier for Lake County, Illinois7.91-3 Floors1950-1979
Gross Rent Multiplier for DeKalb County, Georgia8.721-3 Floors1950-1979
Gross Rent Multiplier for Cobb County, Georgia9.281-3 Floors1950-1979
Gross Rent Multiplier for San Joaquin County, California9.431-3 Floors1950-1979
Gross Rent Multiplier for Will County, Illinois7.121-3 Floors1950-1979
Gross Rent Multiplier for Jackson County, Missouri8.381-3 Floors1950-1979
Gross Rent Multiplier for Norfolk County, Massachusetts11.111-3 Floors1949 or older
Gross Rent Multiplier for Denton County, Texas9.371-3 Floors1980-1999
Gross Rent Multiplier for Bernalillo County, New Mexico10.31-3 Floors1950-1979
Gross Rent Multiplier for Jefferson County, Alabama8.011-3 Floors1950-1979
Gross Rent Multiplier for Hudson County, New Jersey12.21-3 Floors1949 or older
Gross Rent Multiplier for Monmouth County, New Jersey9.891-3 Floors1949 or older
Gross Rent Multiplier for Davidson County, Tennessee10.281-3 Floors1980-1999
Gross Rent Multiplier for Providence County, Rhode Island8.331-3 Floors1949 or older
Gross Rent Multiplier for Bucks County, Pennsylvania10.371-3 Floors1949 or older
Gross Rent Multiplier for El Paso County, Colorado11.221-3 Floors1950-1979
Gross Rent Multiplier for Baltimore city, Maryland8.641-3 Floors1949 or older
Gross Rent Multiplier for Lee County, Florida9.221-3 Floors1980-1999
Gross Rent Multiplier for Tulsa County, Oklahoma7.441-3 Floors1950-1979
Gross Rent Multiplier for Kent County, Michigan8.391-3 Floors1950-1979

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