Public records might have the structural drawings of your house is recent. They probably won't have full layouts because the codes don't care. Depending on wher

Public records might have the structural drawings of your house is recent. They probably won't have full layouts because the codes don't care. Depending on where you live and how diligent they have been about digitizing the records, though, there may not even be structural drawings on file. Source: Annoyed when I realized my house (re)built in 2009 has no architectural drawings.