The District of Columbia (“District”) Department of General Services (the “Department” or “DGS”), on behalf of the Department of Parks and Recreation (“DPR”), is issuing this Request for Proposals (“RFP”) to solicit design-build proposals (“Proposal(s)”) from offerors (“Offeror(s)”) interested in serving as the design-builder (the “Design-Builder” or "Contractor") For Langdon Park Community Center, located at 2901 20th Street NE, Washington, DC 20018 (the “Project”).