You open the mail, see a code notice from Miami-Dade or a city in Broward, and your mind goes straight to the same questions every owner asks. Is this already a lien. Can I still sell. How bad is this going to get. That reaction is normal. A code enforcement lien sits at the intersection of county procedure, city enforcement, title issues, and real money. For many South Florida homeowners, the stress isn't the original violation. It's the chain reaction that follows once the issue isn't cleared…