Abstract: A recreational vehicle step support includes a ground member that rests upon the ground or surface, a telescoping extension member, connected to and supported by the ground member and normal to the ground or surface, a locking member for securing the extension member at varying heights, and a contact member, connected to and supported by the extension member and the contact member supports and stabilizes a recreational vehicle step. The locking member may be a nut. The contact member may be a nut and bolt, or a rest. The rest may be curved or angled. A method for providing support and stability to a recreational vehicle step including the steps of: disengaging a set of recreational vehicle steps from a stored position in preparation for use; adjusting the height of a recreational vehicle step support to match the height of an attachment site; and connecting a recreational vehicle step support to the recreational vehicle steps.