Construction Spending data reports on the sum of the value of work done on all construction projects underway during the period, regardless of when work on each individual project was started or when payment was made to the contractors.
Homeowner Vacancy and Rental Vacancy statistics are from the Housing Vacancy Survey, which is a supplement to the Current Population Survey. The homeowner vacancy rate is the proportion of the homeowner inventory which is vacant for sale.
One-unit structures are defined as completed when all finished flooring has been installed. If the building is occupied before all construction is finished, it is classified as completed at the time of occupancy.