DWCH Assembly Row, LLC proposes to develop a 19‑story lab building at 120 Middlesex Avenue in Somerville’s Assembly Square Mixed-Use District, and the Planning Board has a continued public hearing scheduled for June 18, 2026. The project requires Site Plan Approval, indicating a large, complex commercial or life-science facility likely involving advanced lab fit-outs, mechanical systems, and strict regulatory compliance. Because the hearing is continued and no construction or design vendors are named, the project is in an entitlement and planning stage where core technical decisions and procurement strategies are still being set. This creates a high-value opportunity for architecture/engineering firms, lab planners, construction managers, environmental consultants, and building systems vendors to influence design standards, lab infrastructure, and future bid packages with the developer team.

Given the 19‑story height and lab use, the project will involve substantial MEP, HVAC, clean room, l...