I can't answer positively, but I don't see why it won't. You need a masonry drill bit if you have brick or concrete steps.
By Darnell Scripps
Not sure what you mean round steps but I don’t believe it would
By Dora Turner
Yes-as long as they have a flat surface.
By Beverly Terry
Don’t know why not as long as it has area to align & mount. Depending on width of steps may consider mounting in center of steps. Suggest purchasing stronger screws & anchors.
By Rodney Geoffrey