Building Relationships Since 1988

Constantine Commercial Construction, LLC is a full-service, commercial general contractor and construction manager in the Baltimore metropolitan area. We enjoy an outstanding reputation and maintain 99% of our clients through repeat business. The majority of our projects are direct referrals from satisfied customers. We believe that building relationships is as important as building projects.

“Since our founding, with every project we built we have been building relationships one customer at a time and our 99% repeat business is testimony to this ideology.” – Michael D. Constantine

Since 1988

Constantine Commercial Construction, Inc. was formed in 1988 in Baltimore, Maryland and has steadily grown into one of the area’s larger construction firms, specializing in, but not limited to, tenant fit-outs.

Our History

A Process that Works for You

From budgeting to punchlist, the Constantine process is all about attention to detail. Our system works for you every step of the way to ensure a successful outcome.

Our Process

Clients Who Come Back

We enjoy an outstanding reputation and maintain 99% of our clients through repeat business. The majority of our projects are direct referrals from satisfied customers.

Our Testimonials

What We Do ... Over 30 Years of Excellence in Commercial Contracting

What our clients say about working with Constantine:

Pinkard Properties

“Our Firm has contracted with Constantine Commercial to help us with “Re-Branding “and the results of working with your firm have exceeded expectations. David Westerlund in particular went beyond normal project management responsibilities. He made great suggestions that resulted in savings and enhanced the appearance of the properties. The work was done with minimal disruption, it was done quickly, and all of the subcontractors were exceptional. Please know that we at Pinkard Properties appreciate this quality of service; in addition our owners have been impressed with the results as well.”
Rosenberg | Martin | Greenberg, LLP

"I am writing this letter to let you know how pleased our law firm is with the multi-phased office expansion and renovation project handled by Constantine Commercial Construction earlier this year. It looks great and was completed on time and with the most minimal amount of interruption to our employees as your crew worked in and around our busy law firm."
Junior League of Baltimore

"On behalf of the 350 members of the Junior League of Baltimore, I want to express our deepest appreciation for working with us to compete the renovation of our Wise Penny Thrift Store and the construction of our new Headquarters building. Both are magnificent!"
Neuberger, Quinn, Gielen, Rubin & Gibber, P.A.

"I am deeply appreciative of the extraordinary work that Constantine Commercial Construction, Inc. performed in the recent build-out and renovation of our premises."
Baltimore Business Journal

"I would like to thank you and your team for the outstanding job on our new space at 1 East Pratt Street. From the start we received excellent communication and customer service from your team of professionals."
Ellin & Tucker

"Your ability to deliver the desired results with minimal disruption to our professional staff can be attributed to your effective project planning, management and communication skills."

Building Relationships Since 1988

Since 1988

A Process that Works for You

Clients Who Come Back

What We Do ... Over 30 Years of Excellence in Commercial Contracting

Medical

Legal/Banking/Executive Offices

Retail

Educational

What our clients say about working with Constantine:

Recent Projects