The frequency depends on location, climate, and foot traffic. For high-traffic zones, weekly or monthly service is ideal, while quieter areas may require quarterly cleaning. In many maintenance strategies, commercial exterior cleaning services are scheduled seasonally to combat buildup from weather elements. Dirt, mold, and pollutants not only degrade the appearance but also damage surfaces over time. Having a consistent cleaning schedule helps protect property investments and ensures a professional image. Consult with a trusted provider to assess your building’s unique requirements and develop a cleaning timeline that works best.