Zillow Zestimate

Zillow's Zestimate is one of the most widely recognized AI property valuation tools, using neural networks and machine learning to estimate home values across the United States. The algorithm analyzes public records, MLS data, tax assessments, and user-submitted information to produce valuations for over 100 million homes. For on-market homes, Zestimate achieves a median error rate below 1.9%, making it a reliable starting point for pricing discussions between agents and homeowners.