Geographical Analysis for Residential Construction (GBARC)
In the second quarter of 2025, the Home Builders' Graduate Institute (HBGI) released its comprehensive analysis of the housing market across various regions in the United States. The findings, available for download as a data file, offer valuable insights into regional building growth conditions.
The National Association of Home Builders (NAHB) categorised U.S. counties into seven regional groups based on both population density and location. These categories provide a detailed understanding of the housing market trends in different parts of the country.
The data file of the full HBGI findings includes growth rates and market shares for each regional category. Specifically, it provides information on the growth rates and market shares of single-family and multifamily housing in each region. NAHB also tracks market shares for single-family and multifamily housing in each regional category.
One of the key aspects of the HBGI report is that it does not seasonally adjust the growth rates tracked. This means that the figures represent the actual trends in the housing market without any adjustments for seasonal fluctuations.
The classification by NAHB includes tracking of single-family and multifamily growth rates in each region. This classification typically divides markets into categories such as Northeast, Midwest, South, and West, with further distinctions based on metropolitan area sizes.
However, the provided search results do not include specific detailed growth rates and market share figures for these categories in these regions. Despite this, the HBGI findings provide a clear picture of the varying growth rates and market shares for single-family and multifamily homes across the U.S., reflecting ongoing trends in housing demand.
In conclusion, the HBGI report offers a valuable resource for understanding the regional housing market trends in the U.S. By categorising counties into seven regional groups and tracking growth rates and market shares for single-family and multifamily housing, the report provides a comprehensive analysis of the housing market in different parts of the country. The findings are available for download as a data file, allowing researchers, policymakers, and industry professionals to delve deeper into the data and gain a better understanding of the housing market trends in the U.S.
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