A Washington Contractor's License Bond Validation Rider is a type of surety bond that is required by the Washington State Department of Labor & Industries in order to obtain and maintain a contractor's license in the state. This bond is a guarantee that a contractor will comply with all applicable laws and regulations in the state of Washington. There are three types of Washington Contractor's License Bond Validation Riders: Commercial, Residential, and Limited. The Commercial bond is required for contractors who engage in commercial construction projects, while the Residential bond is required for contractors who engage in residential construction projects. The Limited bond is required for contractors who engage in limited construction projects, such as remodeling jobs. All three types of Washington Contractor's License Bond Validation Riders are designed to protect the state of Washington and its citizens from losses incurred due to a contractor's negligence, fraud, or other breach of contract.