The Home Building Geography Index (HBGI), formerly the Leading Markets Index (LMI), is a quarterly measurement of building conditions across the country with a focus on regional trends and economic geography. The index uses building permit data to track the pulse of residential construction growth in various submarkets.
Each quarter, a new economic geography measurement is added to the HGBI to illustrate single-family and multifamily construction trends. For example, the HBGI answers such questions as: What is the growth rate of single-family construction in the exurbs? And, is home construction expanding in manufacturing areas of the U.S.?
View the latest HBGI data in the sections below, or download this spreadsheet.
National Permit Levels of Single-Family and Multifamily
As of the fourth quarter of 2018, single-family permit activity, adjusted for population, registered at 57% of the 2003 first quarter level. This was a modest decrease compared to the third quarter of 2018 where the single-family permit activity was at 59% of the 2003 first quarter level.
Additionally, multifamily permit activity, adjusted for population was at 96% of the first quarter of 2003 level. However, compared to the 2018 third quarter level, this was a slight decline since it was at 98% of the first quarter of 2003 level.
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Regional Building Growth Conditions
NAHB classified all counties in the U.S. as one of seven regional categories. For each area, NAHB tracks single-family and multifamily growth rates and market shares. These categories include: