Definition: A claim based on the principle of “unjust enrichment”; supports parties who have performed labor or delivered materials or supplies for the repair or building of an improvement to real property and have not received compensation.
Pronunciation: \kən-ˈstrək-shən\ \ˈlēn, ˈlē-ən\
Used in a Sentence: The closing could not take place due to a construction lien placed on the property by the roofer who had not been paid for his services.