lien waiver

An written document from a contractor, subcontractor, material supplier or other construction professional(s), having lien rights against an owner’s property, relinquishes all or part of those rights. Lien waivers are generally used for processing progress payments to prime or main or subcontractors as follows: Conditional Lien Waiver, Unconditional Lien Waiver, and Final Lien Waiver.