United Contract Services, Inc. offers a range of janitorial & cleaning services in Bay Area and Northern California with 100% customer satisfaction. Our business covers the following Northern California, San Francisco, and Bay Area Cities: Alameda, Alviso, Atherton, Belmont, Brisbane, Burlingame, Campbell, Cupertino, Danville, Dublin, Foster City, Fremont, Hayward, Hillsborough, Livermore, Los Altos, Los Gatos, Menlo Park, Millbrae, Milpitas, Moraga, Mountain View, Newark, Oakland, Palo Alto, Pleasanton, Redwood City, San Carlos, San Jose, San Leandro, San Lorenzo, San Mateo, San Ramon, Santa Clara, Saratoga, Silicon Valley, South San Francisco, Sunnyvale, Union City, and more of the South Bay.