For millions of homeowners, including home sellers in Downers Grove and DuPage County, checking their Zillow Zestimate has become as routine as checking a stock portfolio—a quick hit of seeing your home’s estimated value,...

For millions of homeowners, checking their Zillow Zestimate has become as routine as checking a stock portfolio—a quick hit of seeing your home’s estimated value, right at your fingertips. With 178 million monthly users...