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Noise Barrier Walls

Storm Drainage Systems

Sanitary Sewer Systems

MSE Retaining Walls

Concrete & Asphalt Work

Electrical Duct Banks

Earth Excavation


L&L Construction Associates, Inc. is a contracting company based in the Washington D.C. metropolitan area.


Founded in 1985, L&L has been involved in a wide variety of projects including installation of sound barrier walls, retaining and MSE walls, waterlines, sewer lines, storm drainage structures, electrical duct banks, and concrete work.


L&L is a DBE certified contractor with MDOT, MWAA, VDOT, and WMATA. L&L is also a LDBE certified contractor with MWAA.

Contact Us

6300 Dower House Road

Upper Marlboro, MD 20772

301.599.0300 office

301.599.0388 fax

MBE/DBE, WMATA, and MWAA Certified Contractor

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