Contract Cleaning Specialist has been the Leading Commercial Office Cleaning Business serving the Bay area for more than 50 years. We specialize in any size of office or business and are professionally trained in floor care including stripping, waxing, burnishing floors, tile, grout and carpet cleaning. Call today for your free estimate. We Train Our Security Cleared Employees. We Inspect Your Facility When Cleaning Is Complete. Excellent References, latest equipment and supplies. Your building security is Always A Priority to US. Licensed-Bonded-Insured. Are you overpaying for your current service? Call today for a customized quote to fit your budget needs.