LightStream is a cleaning company. Since 1993 LightStream has served the East Bay and surrounding areas in the San Francisco Bay Area. Our service includes Window Cleaning, Gutter Cleaning, Blind Cleaning, and Awning Cleaning. We have always understood that what makes a company great is not what it does. We understand that what earns your appreciation is how we do what we do. The result is a thriving company with nearly 2500 customers including homeowners, realtors, builders, and property managers and facility managers for businesses and institutions.