DeMarr Logo

Project Specialties

Commercial / Industrial Development

We develop site plans for commercial and industrial uses in Loudoun County and Fairfax County. Some of these uses will require heightened stormwater “hotspot” requirements which we have experience in designing creative and effective solutions for.

Mixed-Use Development

We focus on mixed-use building projects in Washington DC, Fairfax County, and Arlington County. We will custom tailor site-specific stormwater design solutions to challenging sites to optimize use and density on mixed-use lots.

Single-Family Home Tear Down & Rebuild

For single family homes in Washington DC, Fairfax County, and Arlington County, we will prepare we will prepare the site/grading plans needed to tear down the old house and build a new house on the lot. These projects are usually more involved with stormwater management design and construction stakeout surveying.

Single-Family Home Additions

For single family detached home additions Washington DC, Fairfax County, and Arlington County we will prepare the site/grading plans needed for permits & construction.

Townhouse Renovations / Additions

For rowhomes renovations/additions in Washington, DC, we will prepare all of the Civil Engineering plans required: DC Water Upgrade Plans, DOEE E&S Plans, DDOT Public Space Plans, and more…