Back Bay is a prime-tier Boston submarket with average asking rent around $85/sqft/yr.

  • Average asking rent: $85/sqft/yr.
  • Tier: prime.
  • Citywide Class A rent context: $78/sqft/yr ($78 USD).
  • Citywide vacancy: 19.5% — submarket-level availability is typically tighter at prime tier.

Back Bay, Boston office rents and availability

Back Bay is a prime-tier Boston submarket with average asking rent around $85/sqft/yr.

TL;DR

  • Average asking rent: $85/sqft/yr.
  • Tier: prime.
  • Citywide Class A rent context: $78/sqft/yr ($78 USD).
  • Citywide vacancy: 19.5% — submarket-level availability is typically tighter at prime tier.

Where rent sits

Back Bay averages around $85/sqft/yr for Class A, against a citywide Class A index of 78. As a prime submarket, rent runs at or above city average with mostly tight availability.

Availability dynamics

Boston's brownstone HQ corridor. Asset management, legal, insurance, consumer goods HQs.

Key facts

cityBoston
submarketBack Bay
tierprime
averageRentLocal$85/sqft/yr
cityClassARentUsd$78/sqft/yr
cityVacancyPct19.5%

Frequently asked questions

What is the average Class A rent in Back Bay, Boston?
Around $85/sqft/yr. The citywide Class A index sits at $78/sqft/yr.

Related

Editorial provenance

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

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