 In 2006, based on information from 2006, HotPads operated with a staff of 10 people out of Washington, DC.In 2011, HotPads relocated to San Francisco where it currently operates from the Zillow San Francisco office.HotPads includes Zillow's Rent Zestimates (estimated monthly rent price, computed using a proprietary formula), Walk Score's walkability score, and school attendance zones for every listing.