770 ILCS 15/15: Priority.

Prior recorded liens and mortgages shall have priority over a broker's lien. A prior recorded lien shall include, without limitation, (i) a valid mechanic's lien claim that is recorded subsequent to the broker's notice of lien but which relates back to a date prior to the recording date of the broker's notice of lien; and (ii) prior recorded liens securing revolving credit and future advances of construction loans as described in Section 15-1302 of the Code of Civil Procedure.