The average length of time to complete construction of a multifamily building, after obtaining authorization, is 17.5 months, according to the 2021 Survey of Construction (SOC) from the Census Bureau. The authorization-to-completion time in 2021 inched up from 2020, decelerating the upward trend since 2013. The average time to build multifamily homes varies with the number of units in… Read More ›