Which document is which, and which one should I file? That's a question we get a lot. Make sure you know what lien document you need to file by checking out our State by state Lien Product Overviews. More than one document may fit your needs: in many cases a stop notice, bond claim and mechanics lien will be the most effective. From prelien notices - also known as preliminary notices and notices of intent to lien - to property liens (aka construction liens and mechanics liens), stop notices, bond claims, and lien releases, we explain each documents' purpose and effect in each state. If you still need more information, we have State property lien statutes and FAQs to read. Just click here to go to the LienItNow Reference Desk.