What must a contractor sign to waive the subcontractor's mechanic's lien rights?

A subcontractor's mechanic's lien rights can be waived through a legal document specifically known as a waiver and release. This document is critical in the context of construction contracts and provides a way for subcontractors to relinquish their right to file a lien against a property in exchange for payment or other considerations.

When a contractor and a subcontractor enter into agreements, the subcontractor may have the right to place a mechanic's lien on the property if they are not paid for their work. However, by signing a waiver and release, the subcontractor is agreeing to forfeit this right, which can be a requirement for processing payments. This helps the contractor manage liabilities related to liens and assures the property owner that there will not be interruptions or claims on the property related to unpaid subcontractor work.

The other options do not fulfill the same purpose as the waiver and release. A contract amendment generally modifies the terms of the original contract but does not specifically address lien rights. A notice of completion is a formal notification that a project is finished and serves to shorten the period in which liens can be filed, but does not itself waive any rights. A termination agreement ends a contract but does not provide a clear mechanism for waiving lien rights nor does it typically involve a subcontract