Abstract: The exterior rodent bait station with lid-securing tool has a housing, a pivotally connected lid securable to the housing, and a hollow base removably attachable to the housing. The housing includes holes for entry of rodents attracted to poison bait disposed in the housing interior, the poison bait being secured within the unit by a pivotal bait member. A concrete paving block within the hollow base secures the bait station at its placement location. The bait station lid has a raised section for attachment of a numbered stencil to show placement order of multiple stations. Drainage holes are disposed in the bottom of the housing and sidewalls of the base. A hex lid fastener may be provided along with a push-pull gear-style driving tool to facilitate ease of fastening and unfastening the bait station lid.