actually no, according to real estate mogul barbara corcoran. >> it happens more than you think.probably find at least one home wrecked in just about every city across the united states by mistake. >> reporter: demolishing the wrong house is actually hard to do, according to new jersey contractor lou santora. >> it's basically just completing a mountain of paperwork. letters from your asbestos company, the gas company, the water company. if you're a competent contractor things like this shouldn't happen. >> reporter: that's small comfort to andre hall. he figured he had the wrong address when he saw a backhoe tearing down a house. >> i was like, "oh, somebody's house is getting knocked down. it can't be mine." i drove around the block and came back, and it was my house. i was just in shock. >> reporter: he had poured his heart and soul into fixing up the pittsburgh house, prepping it so his three daughters could move from living with their mom out of state to be with him. >> i put new glass, put new frames, new windows. i did everything i had to do to get this house right. >> rep