How did the value drop so much on 2840 N. 124th Street, Wawatosa, WI.How did the value drop from $285,000 to $125,000 on 2840 N. 124th Street, Wauwatosa, WI 53222. The property is an owner-occupied townhouse/duplex with $1,200 per month for the rented unit. The assessed value by Wauwatosa is $271,900 (Reassessed after the sale which occured on 12/31/09 for $265,000). Thanks,Mark July 08 2011 - Wauwatosa00YesReport a ProblemProblemSelect oneOffensive contentIrrelevant contentSpam (pure self-promotion)OtherDetailsYour emailPlease enter a valid email address.Submit CancelContent flaggedWe will review this content. Thanks for helping make the site more useful to everyone. To learn more, read Zillow's Good Neighbor Policy.We're sorry. This service is temporarily unavailable. Please come back later and try again.