The frequency of pressure washing depends on climate, usage, and the type of paving. In most homes, annual cleaning is ideal. However, areas with high humidity may require washing every six months due to moss and algae. Driveways used heavily or shaded areas that stay damp may also benefit from more frequent maintenance.

Commercial properties often require quarterly cleaning to maintain safety and curb appeal. The key is to monitor buildup and clean before contaminants cause permanent staining or surface damage.