A sweeper device for RV slide-outs for safely and conveniently reaching hard-to-reach areas that needs to be swept. The sweeper device for RV slide-outs includes support members hingedly connected to one another for a user to effectively reach tops of RV slide-outs while standing upon a ground; hinge members interconnecting the support members; a handle assembly being attached to one of the support members; and a work member assembly being removably disposed to at least one of the support members for sweeping off the tops of RV slide-outs.