New Homes Built with Private Wells and Individual Septic Systems in 2023

Shares of new single-family homes built with private wells and individual septic systems decreased in 2023, compared with the previous year. NAHB tabulation of data from the Survey of Construction (SOC) indicates approximately 9% of new single-family homes started in 2023 were served by individual wells and 17% had private septic systems. There are large…

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Economies of Scale in Single-family Home Construction

The cost per square foot of a single-family home declines systematically as the home becomes larger, according to NAHB analysis of two recent data sources. In microeconomics, unit costs that decline as a business operation increases in size are called economies of scale. In home building, economies of scale may exist in several forms. It…

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Homes Built in Age-Restricted Communities 

Of the roughly 950,000 single-family and 470,000 multifamily homes that started construction in 2023, 49,000 (30,000 single-family and 19,000 multifamily) were built in age-restricted communities, according to NAHB tabulation of data from the Census’s Survey of Construction. A residential community can be legally age-restricted, provided it conforms to one of the set of rules specified in the Housing for…

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