© 2019 by DEMARR Engineering, PLLC. 

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AREAS WE SERVE

NORTHERN VA

Washington's Suburb, our home state. From custom homes to warehouses and data centers, we serve clients of all types and sizes in multiple counties... 

WASHINGTON, DC

The Nation's Capital. Our services range from utility upgrades for rowhome renovations, new single-family home grading/SWM plans, public space plans, commercial site development plans, and more...

NEW YORK, NY

"The City that never sleeps." We're here to provide Civil Engineering services with the quality and responsiveness you can depend on in a fast-paced city.