How many Class A submarkets are in Boston?

6, ranging from trophy (Financial District) down to established and emerging clusters.

Boston has 6 distinct Class A submarkets we track, anchored by Financial District at the trophy tier.

6 submarkets covered.
Trophy tier: Financial District, Cambridge & Kendall Square, Seaport, Kendall Square, Post Office Square.
Prime tier: Back Bay.
Established/emerging tier: —.

Boston Class A submarkets

Boston has 6 distinct Class A submarkets we track, anchored by Financial District at the trophy tier.

TL;DR

6 submarkets covered.
Trophy tier: Financial District, Cambridge & Kendall Square, Seaport, Kendall Square, Post Office Square.
Prime tier: Back Bay.
Established/emerging tier: —.

By tier

**Financial District** (trophy, ~$80/sqft/yr) — Boston's traditional CBD. **Cambridge & Kendall Square** (trophy, ~$110/sqft/yr) — Life sciences capital of the world. **Seaport** (trophy, ~$85/sqft/yr) — Boston's newest trophy quarter. **Back Bay** (prime, ~$85/sqft/yr) — Boston's brownstone HQ corridor. **Kendall Square** (trophy, ~$105/sqft/yr) — The world's densest biotech cluster. **Post Office Square** (trophy, ~$82/sqft/yr) — Boutique trophy core within the Financial District.

Key facts

city	Boston
country	United States
region	Americas
classARentLocal	78 USD/sqft/yr
classARentUsd	$78/sqft/yr
vacancy	19.5%
typicalLeaseYears	10
typicalRentFreeMonths	18
submarkets	6
primeYieldPct	6.2%
trophyCount	5
primeCount	1

Frequently asked questions

How many Class A submarkets are in Boston?: 6, ranging from trophy (Financial District) down to established and emerging clusters.

Editorial provenance

Reviewed by Miriam Hollander — Lead market analyst. Last updated 2026-04-15. See our methodology and editorial standards.

Primary sources for this page

CBRE Marketview reports — CBRE
JLL Office Insight — JLL
Cushman & Wakefield Marketbeat — Cushman & Wakefield
Savills World Research — Savills
Colliers Global Office Outlook — Colliers

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