Charter Oak Building Maintenance, Inc.
Commercial Janitorial Services
About COBM

Founded in 1988, in Middletown, Connecticut, COBM has been providing janitorial services to clients for 30 years. Charter Oak presently operates out of Rocky Hill, Connecticut and serves clients throughout the Connecticut, Rhode Island and Massachusetts areas within a variety of industries with facilities ranging from 25,000 square feet to 3 million square feet. Our current client portfolio includes building management companies, entertainment/arts venues, medical facilities, major corporations, multi-tenant offices, retail spaces, banks, and financial and governmental institutions.


The facility maintenance industry is constantly changing. COBM continues to maintain a broad network of trade and professional organizations, enabling us to stay aware of technological and managerial innovations in the Commercial Janitorial industry. We focus on implementing new ideas we accrue through our associations to provide the most efficient and effective service to our clients.


Charter Oak prides itself on the ability to provide services at reasonable pricing without compromising quality.

1840 Silas Dean Highway, Rocky Hill, Connecticut, 06067, United States
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