Secondary units, or separate small dwellings embedded within single-family residential properties, constitute a frequently overlooked strategy for urban infill in high-cost metropolitan areas in the United States. This study, which is situated within California's San Francisco Bay Area, draws...

California’s implementation of SB 375, the Sustainable Communities and Climate Protection Act of 2008, is putting new pressure on communities to support infill and affordable housing development. As the San Francisco Bay Area adds two million new residents by 2035, infilling the core (in...

This literature review examines the research on both infill development in general, and secondary units in particular, with an eye towards understanding the similarities and differences between infill as it is more traditionally understood - i.e., the development or redevelopment of entire...

Traditional US rental housing data sources such as the American Community Survey and the American Housing Survey report on the transacted market — what existing renters pay each month. They do not explicitly tell us about the spot market — i.e., the asking rents that current homeseekers must...

The metric commonly used in debates and research concerning the cost-efficiency of multifamily rental housing production, total development cost per unit, sacrifices too much analytical power in return for its ease of computation. This article proposes a replacement metric, the subsidy per...