This template gives you everything you need for a professional, customizable and legally binding Bill Of Sale Washington.
Usually yes for vehicle transactions. Washington generally requires Bills of Sale for registration purposes and it's one of the states that typically needs proper documentation.
Smart move for both of you. Do the inspection before completing the Bill of Sale, then document the vehicle's condition at the time of sale to avoid later disputes.
Usually just the title transfer needs notarization. The Bill of Sale typically just needs buyer and seller signatures, but check Washington's specific requirements for your situation.