Sale types

A saletype identifies a types of sales document.

The sale types we define reflect our confidence that sales prices reveal market value.

• deed: deeds are our standard source of price information across most models: they refer to transactions that have passed all of our “high-confidence” arms-length filters (Nolte et al. 2024 Land Economics).

• deed-zf1: also includes medium-confidence sales

• deed-zf0: also includes low-confidence sales

• full: includes last sales information from tax assessor records (which does not permit the application of any arms-length sales filters).