Complex sentence: The land is often public property with maintenance usually being a municipal responsibility, however some municipal authorities require that abutting property owners maintain these areas and also sidewalks, in other places is it customary for owners of the abutting private property to maintain these areas.
Split into simpler sentences: The land is often public property with maintenance usually being a municipal responsibility; however some municipal authorities require that abutting property owners maintain these areas and also sidewalks. In other places it is customary for owners of the abutting private property to maintain these areas.