From the evidence already available.
We start with the evidence already available: listing photography, satellite and street-level imagery, published records where they exist, ownership and occupancy clues, market commentary and comparable assets. Each source is tested for reliability — documented, observed or inferred — then read against the broader signal set. Strong evidence can support a capital item. Weaker evidence helps identify what should be verified next. Where uncertainty remains, it is made visible and priced accordingly. Scattered public data becomes structured building intelligence.