actowiz

  Introduction US real estate publishes itself across Zillow, Redfin, Realtor.com, and dozens of portals — and turning that sprawl into one clean, current, queryable dataset is the foundation of every proptech product, investment model, and market-analytics tool. But "just scrape the listings" produces a dataset that misleads: three portals speak three dialects of "property," freshness expectations are unforgiving, and the compliance line matters. Here's how to build a US real-estate dataset a product can actually run on. Step 1: Unify Three Listing Structures Into One Schema Zillow, Redfin, and Realtor.com each structure listings differently — different fields, different conventions, different completeness. A coherent dataset needs source-specific extraction feeding one normalised schema: address, price, status, beds/baths, size, lot, property type, listing metadata, media, and days-on-market — common fields unified, source-specific details preserved. Worked ex...