8 Data Collection Step 1 Define the problem Step 2 Determine the scope of work Step 3 Gather, record, verify and analyze data Uniform Appraisal Dataset (UAD) applies to conventional mortgage loans sold to Fannie Mae and Freddie Mac

Data Bank Data source list Kinds of data needed National and regional trends Economic base Local area and neighborhood Site and improvements Assemblage and plottage

Data Forms Neighborhood data Stages of life cycle—GEDR Growth Equilibrium Decline Revitalization Proximity to hazards and nuisances Site data—site visit requires permission of the property owner

Data Forms Building data Exterior features Interior features Depreciation Physical deterioration Functional obsolescence External obsolescence Multiunit buildings

Data for Sales Comparison Approach Recent sales Similar features Financing terms Arm’s-length transactions Sources of data Appraiser’s own records Official records of deeds Real estate assessor’s office Records of sales