Costello Construction

Costello Construction is a Columbia, Maryland-based commercial construction contractor operating along the Baltimore/Washington corridor. The company serves both the public and private sectors and specializes in government institutions, corporate offices, fitness facilities, higher education projects and urban infrastructure. Costello Construction provides a wide range of services including pre-construction analysis, design-build, and sustainable construction. Founded in 1993 on the principles of self-performance and a hands-on management approach, Costello Construction is a name synonymous with integrity, hard work, dedication and a reputation for building commercial structures of the highest quality.