West Coast Maintenance has provided building maintenance solutions and commercial cleaning services since 1989. West Coast Maintenance serves the smallest facilities, from your neighborhood strip mall, to the largest and most complex of structures including high rise office buildings and large stadiums and sports venues, where we provide integrated facility services. West Coast Maintenance cleans millions of square feet of glass annually for our clientele throughout Southern California. Offering the best professional interior and exterior window cleaning services for low-rise, mid-rise and high-rise commercial structures.