About Costello Construction
Reviews for Costello Construction
Write a reviewHours
Monday: 8AM - 5PM
Tuesday: 8AM - 5PM
Wednesday: 8AM - 5PM
Thursday: 8AM - 5PM
Friday: 8AM - 5PM
Saturday: ClosedSunday: Closed
Costello Construction, based in Columbia, Maryland, is a well-respected commercial construction contractor serving both public and private sectors along the Baltimore/Washington corridor. Founded in 1993, the company specializes in corporate offices, fitness facilities, higher education projects, and urban infrastructure. Costello Construction offers a variety of services, including pre-construction analysis, design-build, and sustainable construction, all while emphasizing integrity, hard work, and dedication. Clients consistently praise Costello Construction for their professionalism and reliability. The team is known for being easy to work with, maintaining clear communication, and ensuring projects run smoothly. They pay attention to detail, keeping schedules on track and coordinating every aspect of the work effectively. Subcontractors appreciate their fairness and timely payments, while clients highlight the high quality of the finished projects. Notable projects include the Chesapeake Analytic Collaborative Building and the Patrick Henry Library, with clients expressing satisfaction with their new spaces, which are noted as modern and tailored to specific needs. Overall, Costello Construction is recognized as a dependable partner, making them a recommended choice for anyone seeking a reliable general contractor in the region.
Costello Construction is truly in a league of its own. From the quality of their work to the integrity of their leadership, this company sets the standard for excellence in the construction industry. Every interaction I’ve had with their team has been marked by professionalism, transparency, and a genuine commitment to doing things the right way.
I want to especially recognize David Costello, whose leadership is the heartbeat of this organization. His reputation for integrity, hard work, and hands‑on involvement is well‑earned. You can feel his influence in every project — the craftsmanship, the attention to detail, the pride in the final product. It’s...read full review
Costello Construction has been a strong and reliable partner across the projects we’ve completed and been awarded together — including the Chesapeake Analytic Collaborative Building, the North Laurel Swimming Pool Addition, The Heights Building Phase II Parking Garage, the Patrick Henry Library, and the Dewey Beach Police Department.
Their team is smart, professional, and genuinely easy to work with. They take the time to dive into the small details, ensuring every scope item is accurate and well-coordinated before execution. With their years of experience in the industry, they understand the process, communicate clearly, address issues quickly, and treat subcontractors...read full review
Costello is an amazing company to work with as a subcontractor and they do quality work! Looking forward to many more partnership opportunities with Costello