CAS Engineering-DC, LLC

CAS Engineering-DC, LLC (CAS Engineering) is a Washington, D.C. and Maryland–based civil engineering and land-development firm focused on urban renewal and infill projects, site/civil design, land surveying, feasibility studies, and permit processing. CAS Engineering leverages deep local permitting and land-use expertise to support residential, commercial and institutional developments—from razing and rebuilding single-family lots to mixed-use high-rise and large-scale site work—providing personalized client service, detailed surveys, constructability-aware design, and guidance through plan approvals and permit issuance to deliver practical, code-compliant, and cost-effective project solutions.