One Post Office Square (OPOS)

Client: Anchor Line Partners + Jones Lang LaSalle (JLL)
Timeline: 2017 – 2018
Project Phases: SD, DD, CD
Project Size (Scale): 972,000 (SF)
Location: 1 Post Office Square, Boston, MA 02110
Geo Location: 42.35702, -71.05511
Market Sector: Commercial
Property Type: Office – Class A – High-Rise
Construction Type: New, Rebuild/Remodel
Project Delivery: Design Bid Build
Company: Gensler
Consultants: LeMussurier (Structural), Vidaris (TIC), RDK Engineers (MEP), Paladino (Sustainability)
Website: JLL | One Post Office Square
Project Overview: The transformation of the 41‑story One Post Office Square was a testament to Boston’s commitment to revitalizing its architectural heritage. This $250 million renovation modernized an iconic structure and redefined the skyline of Boston’s Financial District. Overlooking Norman Leventhal Park, the building incorporated floor‑to‑ceiling glass panels, offering panoramic views of the city and adding outdoor spaces to enhance the quality of life for its employees.