Daves Building Maintenance Inc. has been servicing the greater San Francisco Bay Area since 1976. A full Janitorial and Window cleaning service company, we provide services for both residential and commercial office buildings. Founded in 1976 by David Garibaldi, DBM has been a family owned business for over 25 years. Fully bonded and insured. Our staff is dedicated to providing the best in services to our clients. We pay strict attention to detail and the needs of of our clients. We pride ourselves in understanding the nature of the job and this allows us to foresee any challenges before they become problems.