Servicing Maryland, Virginia, and the District since 1979.

We are a local, family-owned and minority certified full-service custodial company serving Virginia, Maryland and Washington, D.C. for over 40 years. We specialize in Commercial, Construction and Retail Cleaning for Public, Private and Government clients. At Capital Building Services, we pride ourselves in providing the highest quality custodial services at competitive prices.

"Their service is exemplary...

​​​Full Service custodial and building MAINTENANCE


Over 40 years of experience​

​​We are a facility that is open 24 hours a day, seven days a week, so our cleaning demands are more taxing that the regular client. It is gratifying to know that they are a phone call away, especially when we have last minute requests"


Captain Commander/ WS District Station

Experience You Can Trust

CAPITAL BUILDING SERVICES, INC