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125 Summer Street, Boston, MA 02111

Office space available for lease in Boston, MA.

Space SizeContact for details
Days on Market318

Property Features for 125 Summer Street

General Information

Standard status Active
Property subtype Office
Listing Agency: CBRE | Boston
Listed By: Jonathan Freni
Source: Cbre
Added: Nov 22, 2025 Changed: Oct 3 Last Checked: Oct 5 at 5:07PM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of CBRE | Boston

Investment Insights

Based on property information with market context.

Available for lease is an office space encompassing an area between 25,168 and 56,934 square feet. The lease's LED is set for December 31, 2029.

Key Highlights

  • 25,168‑56,934 SF available
  • LED: 12/31/2029

Property Analytics

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Open Analytics

Current Use

Analog Devices Factory Atea Pharmaceuticals, Inc. Factory Burns & Levinson LLP: ... Law Firm Sunstein Bruce D Law Firm

Suggested Use

Top Pick Butcher Tanning Salon Clothing & Fashion Store Pet Grooming Service (Bike/Boat/Book/etc) Store Buffet

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

NNN (Triple Net)
Lease Type

Location Intelligence

Trade Area within ½ mile

22,825
Businesses Nearby

Demographics for 02111, MA

9,716
Population
4,535
Households
2.1
Avg Household Size
34
Median Age
57%
College-Educated
83%
High-School Grad
0.2 sq mi
ZIP Area
48,580
Density / Sq Mi
$70,865
Median Household Income
$42,225
Median Earnings
$1,994
Median Rent
$953,400
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Lease Benchmarks for Boston, MA

$38.97 /SF/Yr
Avg Asking Price
$8–$96.43 /SF/Yr
Price Range
10,233 SF
Avg Space Size

Vacancy Rate% for Office in Boston, MA

9.1% 2019
12.4% 2020
10.8% 2021
12.5% 2022
15.1% 2023
17% 2024
18.2% 2025
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Frequently Asked Questions

What type of property is this?
Office units - Office space available for lease in Boston, MA.
Where is this office units located?
The property is located at 125 Summer Street Boston, MA.
What are key features of this property?
This property features: 25,168‑56,934 SF available; LED: 12/31/2029
More about this property
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