. >> reporter: owners paul and tanisha austin knew it was worth at least $1.3 million based on a 2019housing market heated up, paul met a new appraiser and showed her around. >> what was the number value, you opened up the piece of paper -- >> oh, $998,000. >> less than a million dollars. >> which means almost $400,000 less than you previously had gotten a year earlier. >> yes. >> reporter: so they applied for a new appraisal, but this time -- >> i'm going to guarantee i'm going to get the appraisal that my house is supposed to get. >> reporter: in the united states, what is your best guarantee getting the best appraisal possible >> being white. >> reporter: so theyworked to erase themselves from their own home. >> all of the art, took that away, pictures of our family, anything that, you know, would resemble that this home belongs to a black family. just grabbed it all, put it all in the shed, put it all away. >> reporter: and they asked a white friend to stand in when the new appraiser arrived. >> this time you open the paper and it says what -- >> $1.482. >> yes, $500,000 differenc