Can Redfin and Zillow Home Value Estimates Replace Appraisals? Neither Zillow’s Zestimate nor the Redfin Estimate is designed to replace or serve as an appraisal.

Attempting to estimate a property’s value without getting a professional’s opinion risks undervaluing the property or missing opportunities to maximize its sale price.

Zillow surfers and real estate listing lurkers alike know one of the online marketplace’s standout features is the Zestimate. This amount is displayed just below the main listing price, and ...

Tangent Zillow’s data for home values is calculated by taking Zestimates—Zillow's estimate of a home's market value—for every home in a region and reporting the middle third.