Costello Construction is a name synonymous with integrity, hard work, dedication, and above all, a reputation for building structures of the highest quality.
More About Us
How do We Define Our Culture
We approach our projects and partnerships with honesty and integrity, and work collaboratively to get the job done.
What we do (products & services)
Costello Construction has built a variety of commercial construction projects in the Mid-Atlantic area, including Maryland, Washington DC and Virginia. We specialize in Higher Education, Fitness and Recreation, Libraries, Office Buildings, and Parking Garages and serve both the public and private sectors.
