PROVIDING ENVIRONMENTALLY SUSTAINABLE, SOCIALLY RESPONSIBLE LAND SURVEYING SERVICES TO WASHINGTON, D.C. AND NORTHERN VIRGINIA... Sustainable Land Surveys, LLC is based in Washington, D.C., and is proud to provide land surveying services for a wide range of projects in the capital region. Our company acts as both a local, green-focused business partner to land development professionals such as architects and design-build firms, and a socially progressive/financially equitable option for homeowners and others in need of residential or commercial surveying services. Whether you are a design professional seeking an existing conditions survey for re-development, a contractor in need of a current survey for a building permit, or a homeowner or community manager looking to clarify the location of your property boundary, the LEED®-accredited, Professional Land Surveyor staff at SLS offer the technical knowledge, regulatory experience and local connections to make your project a success!