Federal Contracting

DeMarr Engineering is a premier civil engineering firm based in Northern Virginia, specializing in land development, site surveying, and environmental engineering. Our team of licensed professional engineers offers comprehensive services from feasibility studies and topographic surveys to construction support and sustainable design. We excel in creating detailed site plans, erosion control, stormwater management, and tree preservation plans, ensuring projects are environmentally responsible and community-focused. With a unique design-build approach, we handle projects from acquisition to final occupancy, providing seamless integration of engineering and construction services. Our commitment to high-quality service, efficiency, and client satisfaction sets us apart in the industry.

Leveraging years of experience working in the nation’s capital and Northern Virginia, our firm brings unparalleled expertise to federal civil engineering projects. From high-security facilities to mission-critical infrastructure, we provide tailored solutions that meet the unique requirements of federal projects. With our in-depth understanding of Washington, DC’s & Northern Virginia’s permitting processes and our proven ability to navigate high-stakes environments, we are a trusted partner for federal agencies seeking innovative, dependable civil engineering and land surveying services.

We utilize cutting-edge technologies in land surveying and civil engineering, such as total station instruments, GNSS Base & Rovers, handheld LiDAR scanners, and UAS Mapping drones, to consistently provide accurate, precise, and efficient solutions.