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Commercial Building Maintenance, LLC (CBM) is a Maryland janitor service and commercial maintenance company founded by Sean Mulgrew in 1985. For over 30 years we've been providing comprehensive janitorial, building maintenance and handyman services to commercial property managers and owners throughout Maryland. CBM is owned and operated locally out of Damascus, Maryland and serves Northern and Central Maryland, Baltimore metro area, as well as parts of Northern Virginia and Washington, DC.
Damascus, MD
Cumming, Georgia Joined in Nov, 2026
Palo Alto, California Joined in Oct, 2026
Mt. Juliet, Tennessee Joined in Oct, 2026
Gaithersburg, Maryland Joined in Oct, 2026
Charlotte, North Carolina Joined in Sep, 2026
Bradenton, Florida Joined in Sep, 2026
Denver, Colorado Joined in Sep, 2026
Mountain View, California Joined in Sep, 2026
Exeter, Rhode Island Joined in Sep, 2026
Bakersfield, California Joined in Sep, 2026
Junk Removal – Request Quote
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