County Title Office Search. Learn how to sell a travel trailer in Texas with our comprehensive RV Bill of Sale guide.Get step-by-step instructions, key documents, and FAQs. To register your vehicle in Ohio and obtain Ohio license plates, your out-of-state title must first be converted to an Ohio title. What do I need to bring? Craft a tailor-made bill of sale in Ohio and transfer property or vehicles with minimal hassle. Find out in which scenarios a customer may use a bill of sale to transfer vehicle ownership. To apply for an electronic title online via the Ohio Title Portal or to learn more about this service, please visit this Ohio BMV page. All travel trailers are titled in Ohio at county title offices. You must have proof of ownership, and make application for, and pay all fees and taxes.