Kendall Square is a trophy-tier Class A submarket of Boston with average asking rent around $105/sqft/yr.
The world's densest biotech cluster. · Tier: trophy · Avg rent: $105/sqft/yr
Kendall Square in Cambridge is the world's densest biotech cluster — the highest office rents in metro Boston and a magnet for global pharma R&D.
Biotech, pharma R&D, life sciences, MIT spinouts.
20–40,000 sqft floor plates available across newer Class A stock.
Kendall/MIT (MBTA Red Line).
Multi-modal transit with high commute capture from the city's professional catchment.
MIT Media Lab, Kendall Square Station.
Kendall Square is one of 6 Class A submarkets we cover in Boston, classified as trophy tier with an average asking rent around $105/sqft/yr. Compared with the broader Boston Class A stock, Kendall Square typically attracts Biotech, pharma R&D, life sciences, MIT spinouts and competes most directly with the city's other trophy submarkets on building specification, transit access, and amenitisation.
Adjacent submarkets to study alongside Kendall 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 Kendall 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.