A vehicle-mounted real estate sign carrier assembly includes a U-shaped rack having front, back and side walls, and an L-shaped support rail. The support rail may be adapted to directly connect to a vehicle trailer hitch and locked with a pin when in use. A flexible strap directly mated to a top end of the support rail wraps about each of the stakes such that the real estate signs remain vertically stacked while the display screens are seated within the rack in a stable manner. The carrier assembly may transport multiple real estate signs to various locations, safely and easily by providing a quick-assembly, sturdy, compact and stable construction. Constructed with a low center of gravity the assembly allows a user to travel over bumpy and winding roads without the risk of dislodging his real estate signs from his vehicle.