Abstract: A marking and leveling device for assisting in the hanging of an object such as a portrait on a structure such as a wall. The marking and leveling device generally includes a central portion having a first extension extending in a first direction from a first end of the central portion and a second extension extending in a second, opposite direction from a second end of the central portion. Each of the extension members include a guide member slidably positioned thereon. Each guide member includes a support member for supporting a fastener or marking device used. A leveling assembly which includes a liquid-based leveling member is rotatably secured within the central portion of the present invention. By utilizing the leveling assembly and guide members, an operator of the present invention may accurately level and mark/fasten a structure using a single device.