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Burlington Flex/Lab-Ready Building For Rent
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43 South Avenue, Burlington, MA 01803

190,000 SF building in Burlington, permitted for lab use.

Space SizeContact for details
Days on Market264

Property Features for 43 South Avenue

General Information

Standard status Active
Property subtype LifeSciences
Listing Agency:
Listed By: Jon Varholak
Source: Cbre
Added: Nov 22, 2025 Changed: Jul 6 Last Checked: Aug 12 at 4:20AM

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 Jon Varholak

Investment Insights

Based on property information with market context.

Located in Burlington at 43 South Avenue, this 190,000 square foot building is situated on 5.8 acres of land. The building is fully permitted for lab-ready use and will be available starting June 2023. Nexus is located at the intersection of Interstate 95 and Route 3, providing access to surrounding areas and corporate neighbors. This location offers a development opportunity with flexibility to showcase a brand in a high-profile location, suitable for research and development. Burlington is developing a new interchange for the Life Science community, and Nexus is positioned to unlock this potential. Drive times from urban life science hubs of West Cambridge, East Cambridge, and Boston are roughly equivalent to drive times to the Waltham suburbs. Burlington also offers accessibility to the northern talent pool, providing opportunities for talent acquisition and retention.

Key Highlights

  • Fully permitted for lab‑ready use.
  • Located in Burlington, unlocking potential for the Life Science community.
  • Located at the intersection of Interstate 95 and Route 3, providing unparalleled access.

Property Analytics

Current Use

Flex space

Suggested Use

Top Pick Storage Facility Grocery & Convenience Store (Bike/Boat/Book/etc) Store Real Estate Agency Electrical Service Home Appliance Store

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

984
Businesses Nearby
Well-served
Demand for This Use

Demographics for 01803, MA

26,074
Population
10,468
Households
2.5
Avg Household Size
42
Median Age
58%
College-Educated
96%
High-School Grad
11.3 sq mi
ZIP Area
2,307
Density / Sq Mi
$142,421
Median Household Income
$75,829
Median Earnings
$2,615
Median Rent
$679,400
Median Home Value

Market

Vacancy Rate% for Office in Northeast region

13.1% 2019
15.4% 2020
17.6% 2021
19.1% 2022
20.2% 2023
20.9% 2024
19.9% 2025
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Similar Off Market Nearby

  • Wegmans Catering 53 3rd Ave, Burlington, MA 01803

Frequently Asked Questions

What type of property is this?
Flex space - 190,000 SF building in Burlington, permitted for lab use.
Where is this flex space located?
The property is located at 43 South Avenue Burlington, MA.
What are key features of this property?
This property features: Fully permitted for lab‑ready use.; Located in Burlington, unlocking potential for the Life Science community.; Located at the intersection of Interstate 95 and Route 3, providing unparalleled access.
More about this property
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