There's no one-size-fits-all answer to how often you should repaint your commercial building. Generally, most contractors suggest repainting every 5 years on average. The factors that affect the repainting frequency include the building use, climate, surface material, and the quality of the previous paint job. High-traffic areas in retail stores or restaurants experience more wear and tear, requiring more frequent repainting. Buildings in harsh environments with intense sun exposure, heavy rain, or salty coastal air may need painting more frequently. Also, wood will need painting more frequently than brick or stucco surfaces.
A professional paint job using quality paint and proper preparation will naturally last longer than a rushed or poorly executed paint job using substandard paint. Instead of strictly following a set schedule, it's wise to inspect your building regularly for signs it needs repainting such as fading, cracking, or peeling paint, rust spots, or mold growth.