Introducing the new national & regional metrics
Redfin releases data on a variety of housing indicators each month on our Data Center. Most of the data for these metrics come directly from the local Multiple Listing Services (MLS). Additionally, a handful of metrics are verified with public records data. Historically, all of Redfin’s housing metrics were first calculated at the county and metropolitan division level, then a weighted average (by the number of home sales transactions) was used for each month to derive the national estimates.
As of February 2020, Redfin actively imports data across more than 145 MLS