WP20
From Listing Images to Property Valuation: A Multimodal AI Framework for Automated Building Characterization and the Cost Approach
Evidence from Québec single-family listings matched to the assessment roll
The cost approach to value requires a specification of the improvements — materials, finish grade, condition, renovations — that assessment rolls do not record and that appraisers obtain by inspection. This paper asks whether that specification can be extracted from the photographs and text of a for-sale listing by…