Post Office Square is a trophy-tier Class A submarket of Boston with average asking rent around $82/sqft/yr.
Boutique trophy core within the Financial District. · Tier: trophy · Avg rent: $82/sqft/yr
Post Office Square is the boutique trophy core at the heart of Boston's Financial District — small floor-plate trophy stock favored by asset managers and law firms.
Asset management, hedge funds, boutique law, family offices.
20–40,000 sqft floor plates available across newer Class A stock.
State (Blue/Orange), Aquarium (Blue).
Multi-modal transit with high commute capture from the city's professional catchment.
Norman B Leventhal Park, Long Wharf.
Post Office Square is one of 6 Class A submarkets we cover in Boston, classified as trophy tier with an average asking rent around $82/sqft/yr. Compared with the broader Boston Class A stock, Post Office Square typically attracts Asset management, hedge funds, boutique law, family offices and competes most directly with the city's other trophy submarkets on building specification, transit access, and amenitisation.
Adjacent submarkets to study alongside Post Office Square: Financial District, Cambridge & Kendall Square, Seaport, Back Bay. The full Boston submarket atlas is at /cities/boston.
For an institutional Class A occupier evaluating Post Office Square, the highest-leverage analyses to commission next are the rent benchmark, the concession-package comparable, and the ESG performance baseline. Class A Atlas covers each as a dedicated topic page for this submarket:
Terminology specific to Boston Class A leasing and to the trophy tier: Class A, Trophy asset, Effective rent, Concession package, TI allowance, Submarket tier.
Reviewed by Miriam Hollander — Lead market analyst. Last updated 2026-04-15. See our methodology and editorial standards.