Unlike most design, construction and development companies, which tend to outsource much of their work, we promote in-house job growth. 407 Associates is a job creator, hiring permanent employees whenever possible, rather than subcontracting most of its work.

Unlike most design, construction and development companies, which tend to outsource much of their work, we promote in-house job growth. 407 Associates is a job creator, hiring permanent employees whenever possible, rather than subcontracting most of its work.

Unlike most design, construction and development companies, which tend to outsource much of their work, we promote in-house job growth. 407 Associates is a job creator, hiring permanent employees whenever possible, rather than subcontracting most of its work.

Building the Future

Builders ‡ Developers ‡ Managers

We excel in designing and creating residential, commercial, and industrial properties, focusing on innovative and superior craftsmanship to transform and develop spaces for the future.

The Design-Build-Manage companies are wholly-owned companies and profit centers formed specifically to cover most aspects of real estate construction, from design through construction and management of the facilities. By bringing the design-build-management in-house, we can assure the best design, costing and, most importantly, control the scheduling of the delivery of the real estate project. This set of companies works not only on MainStreet 407 Partners’ projects but also on projects that cover the complete spectrum of possible clientele, from homeowner to major corporations.

Our Work

About 407 Associates, llc.

Our professional team has the ability to bring a project from concept through development or redevelopment to building permit, financing, construction, completion and property management, all with in-house professionals. Over the past 30 years, our principals have designed, developed and built and managed, for both their own account and for others, over 12 million square feet of completed projects worth over $4.5 billion, consisting of commercial, residential, institutional, faith-based and retail projects.

Commercial

We have a vast experience in the design and construction of commercial properties.  We have completed large-scale commercial projects, including senior care facilities, supermarket and big box anchored shopping centers and hospitality, food service, and industrial projects.

Residential

Our principals have developed a numerous large-scale residential projects nationwide. These projects include single family, multi-family and student housing developments.

Faith & Community

We know how to utilize the real estate assets owned by the faith communities to generate the funds necessary to enable the faith communities to fulfill their missions and to provide for them financial stability and long-term security for their current and future mission needs.

Urban & Commercial

Our Construction Companies are fully licensed General Contractors and Construction Managers. Its principals and managers bring their construction experience to each project. MainStreet407 Construction Companies have performed work in most Mid-Atlantic states as well as Texas and Florida. The company has the ability to work in any state in the Continental United States and to obtain licensing in any state in which a project is located. MainStreet407 Construction Companies, through its sister company, Mainstreet Design, can work with you to design-build your project, thus creating value engineering and cost savings for you.

Interior Spaces & Experiences

We enhance, expand, and beautify your home – and we restore it to a condition better than the original in the case of a fire, windstorm, flood or other casualty. In those cases, Our companies assist you in understanding your adjuster’s estimate and works closely with you and your adjuster to ensure your home is restored to your complete satisfaction. We also will assist you in your efforts to obtain the maximum allowable insurance claim payment from your insurance carrier.

Our Companies

Let's Build Something Together

407 Main Street
Laurel, MD 20707
Tel: 301-818-0440

1383 Piccard Drive
Rockville, MD 20850
Tel: 301-818-0440