1. Short title This Act may be cited as the Housing Supply Expansion Act . 2. Updates to wage rate calculations (a) In general Section 3142(b) of title 40, United States Code, is amended by inserting or from geographic groupings other than civil subdivisions of the State (which may include metropolitan statistical areas or other groupings determined appropriate by the Secretary) in which the work is to be performed after in which the work is to be performed . (b) Changes to survey methodology Section 3142 of title 40, United States Code, is amended by adding at the end the following: (f) Survey information collection By not later than 1 year after the date of enactment of the Housing Supply Expansion Act , the Secretary shall— (1) review the Secretary's method of collecting survey information for determining prevailing wages for purposes of subsection (a); and (2) revise how such survey information is collected, following a public notice and opportunity for public comment, by— (A) including surveys that allow for reliable and objective sources of data and a defendable methodology, which may include information collected through Bureau of Labor Statistics surveys