Coastal Building Services is dedicated to providing premium janitorial cleaning services including commercial window cleaning, and corporate building maintenance in the Southern California region at a competitive rate.  We are pleased to say we have been servicing Los Angeles County since our inception.   Our crews of highly trained cleaners and supervisors are providing high quality janitorial services in Los Angeles, and will continue to be dedicated to providing the highest level of cleanliness and superior customer service to all of our Los Angeles customers. . Los Angeles County Highest Demand With several commercial and industrial multi-level buildings, Los Angeles County has a huge demand for cleaning services.  CBS has has been able to meet the challenge of this demand working in many buildings that provide Fortune 500 companies office space and require the utmost in professional cleaning. . Our reputation... It is in great part the positive reviews and referrals that we have received from our clients that sets CBS Inc., apart from the rest and makes us a leader in the cleaning service industry for Southern California.  This is a reputation we have worked hard to earn and will continue to maintain by providing your company with the best possible services available.