Last year saw the highest construction volume for multifamily missing middle housing starts. Over the course of 2025, there were 19,000 such starts, up 6% compared to 2024’s 18,000. Last year marked its missing middle construction’s best year since 2007.
For the fourth quarter of 2025, there were 5,000 2- to 4-unit housing construction starts. The missing middle construction sector includes development of medium-density housing, such as townhouses, duplexes and other small multifamily properties.
