Washington Notice of Nonpayment is a legal document used to inform contractors and subcontractors of their right to file a lien on a property if payment for services has not been received from the owner/client. The Washington Notice of Nonpayment is part of the Washington State Lien and Bond Laws and is designed to protect contractors and subcontractors from nonpayment for work performed. There are two types of Washington Notice of Nonpayment: Preliminary Notice of Nonpayment and Final Notice of Nonpayment. The Preliminary Notice of Nonpayment must be sent to the owner/client prior to filing a lien, and the Final Notice of Nonpayment must be filed within 90 days of completing the work. The Washington Notice of Nonpayment is an important document for contractors and subcontractors in the state of Washington to protect their rights and ensure they get paid for their work.