A Missouri Waiver of Lien Claim by Subcontractor is a legal document filed by subcontractors and material suppliers working on a construction project in Missouri. This waiver allows them to release their right to file a lien against the property owner for the work and materials they have provided. This waiver serves as a proof of payment for the subcontractor's services and materials, ensuring that they have been compensated for their work as agreed upon. It is an essential document that protects the interests of both the subcontractor and the property owner. There are four types of Missouri Waiver of Lien Claim by Subcontractor: 1. Conditional Waiver and Release upon Progress Payment: This type of waiver is used when the subcontractor agrees to release their right to file a lien upon receiving a progress payment from the property owner. It is important to note that this waiver is conditional and only valid once the payment has been successfully made. 2. Unconditional Waiver and Release upon Progress Payment: Similar to the conditional waiver, this type of waiver is released upon receiving a progress payment. However, it is an unconditional waiver, meaning that the subcontractor gives up their right to file a lien, regardless of whether the payment is successful or not. 3. Conditional Waiver and Release upon Final Payment: This waiver is issued by the subcontractor after they receive the final payment for their work on the project. It is conditional upon the successful receipt of the final payment. 4. Unconditional Waiver and Release upon Final Payment: This type of waiver is similar to the conditional waiver upon final payment, but it is unconditional. The subcontractor releases their right to file a lien upon receiving the final payment, regardless of its success. In summary, a Missouri Waiver of Lien Claim by Subcontractor is a crucial legal document that protects both the subcontractor's payment rights and the property owner's interests. There are four types of waivers, each varying in conditions and whether they are conditional or unconditional upon receiving progress or final payment. It is essential for all parties involved in a construction project to understand and comply with these waivers to ensure a smooth and fair process.