The purpose of this project is to built Progressive Web App from where auctions of property can be done using both online and offline. Here user can upload property data using xml file and bases on data the zest value of property will be calculated and also its property area in sq./Ft and then stored in DB. The Auctions will happens on 1st day of each Month. The valuation property is done using the Zestimate value that is retrieved using Zillow API.