Both Butler County Motor Vehicle Office locations are open between 8 AM and 4:30 PM, including lunch hour, Monday through Friday. Title work must be at a clerk's window by 4 PM. Commercial Motor Vehicle transactions must be at a clerk's window by 2 PM in order to be processed. Title work consists of changing the way a title reads. This can include, but is not limited to: registering a vehicle in your (or another person's name using a power of attorney) for the first time, adding or changing the listed lienholder, adding or changing a transfer on death designee, removing or adding an owner, or titling the vehicle as an antique for the first time (regardless of whether the vehicle's ownership is changing).