Attention to Detail. Proven Experience. Since 1985, LDC has been partnering with commercial, residential, and government clients to deliver top-quality land development solutions that exceed our clients’ highest expectations. We are a trusted and reliable force for land planning, land development engineering, and land surveying—with deep regional experience throughout the Washington, D.C. region. From concept to completion, LDC delivers the hands-on customer service and attention to detail that makes every land development project a success.