Where do startup tech occupiers lease office space in Boston?

Most cluster in Back Bay. Rent runs ~78 USD/sqft ($78 USD) for trophy and prime stock.

What fit-out spec do startup tech occupiers run in Boston?

Typically mid at $155–220/sqft.

How much office space per seat should a startup tech occupier plan in Boston?

Plan ~130 sqft per seat blended. A 100-person team typically takes 13,000 sqft.

What NAICS codes describe the startup tech vertical?

Representative NAICS 2022 codes: 541511, 541512, 518210.

What is the talent index in Boston?

95/100. Use the city profile for full detail.

Startup tech occupiers in Boston typically cluster in Back Bay, plan ~130 sqft per seat at mid fit-out ($155–220/sqft), and pay around 78 USD/sqft ($78 USD) on Class A.

Preferred submarket: Back Bay.
Typical fit-out spec: Mid ($155–220/sqft).
Plan ~130 sqft per seat for headcount sizing.
Class A rent context: 78 USD/sqft ($78 USD).
Typical lease: 10 years with 18 months rent-free.
Talent depth in Boston: 95/100.

Startup tech office space in Boston

Startup tech occupiers in Boston typically cluster in Back Bay, plan ~130 sqft per seat at mid fit-out">fit-out ($155–220/sqft), and pay around 78 USD/sqft ($78 USD) on Class A.

TL;DR

Preferred submarket: Back Bay.
Typical fit-out spec: Mid ($155–220/sqft).
Plan ~130 sqft per seat for headcount sizing.
Class A rent context: 78 USD/sqft ($78 USD).
Typical lease: 10 years with 18 months rent-free.
Talent depth in Boston: 95/100.

Where they cluster

Startup tech occupiers in Boston typically anchor in Back Bay. Asset management, legal, insurance, consumer goods HQs.

What they pay

Class A rent in Boston runs 78 USD/sqft ($78 USD) on a 10-year lease with 18 months free. Prime submarkets sit at or modestly above the city index.

Spec and fit-out

Typical startup tech fit-out targets mid specification at $155–220/sqft. Functional Cat-B with branded reception and standard meeting-room mix is standard.

Headcount sizing

Plan around 130 sqft per seat blended (workstation + circulation + amenity). A 100-headcount startups office in Boston typically targets 13,000 sqft of leasable area.

Talent angle

Series B–D scale-ups prioritize flexibility and signature loft stock to attract engineering talent away from incumbents. Deepest STEM and life-sciences talent pool in the US — anchored by MIT, Harvard, BU. Average all-in compensation indexes 95.

Tax and lease context

Headline corporate tax: 28%. Modified-gross with op-ex escalations. Rent-free 18-24 months on 10-year term standard. Lab leases carry distinct economics — base rent plus operating expenses plus utilities pass-through.

Key facts

city	Boston
industry	Startup tech
naics	541511, 541512, 518210
preferredSubmarket	Back Bay
preferredFitoutSpec	Mid
fitoutBand	$155–220/sqft
sqftPerSeat	130
classARentLocal	78 USD/sqft/yr
classARentUsd	$78/sqft/yr
vacancyPct	19.5%
typicalLeaseYears	10
typicalRentFreeMonths	18
talentIndex	95
corporateTaxPct	28%

Frequently asked questions

Where do startup tech occupiers lease office space in Boston?: Most cluster in Back Bay. Rent runs ~78 USD/sqft ($78 USD) for trophy and prime stock.
What fit-out spec do startup tech occupiers run in Boston?: Typically mid at $155–220/sqft.
How much office space per seat should a startup tech occupier plan in Boston?: Plan ~130 sqft per seat blended. A 100-person team typically takes 13,000 sqft.
What NAICS codes describe the startup tech vertical?: Representative NAICS 2022 codes: 541511, 541512, 518210.
What is the talent index in Boston?: 95/100. Use the city profile for full detail.

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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