ALTHOUGH MECHANIC'S liens are creatures of state laws, and no two laws (or state court systems) interpret them exactly the same way, some issues do come up frequently -- but aren't always explained to you in advance. Moreover, most contractors do not think about lien rights until they actually believe that they aren't going to be paid any other way.
Thinking about these issues in advance can help you avoid some of the stickier situations in collections later. This is particularly true if you start doing business in a new state.
Who can file a lien? Don't ass