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74 Middlesex Ave
Somerville, MA 02145 Assembly Square

Rate Upon Request

Office For Lease • 10,000+ SF

Property Details

Property Type Office
Year Built 2025
Total Building Size 465,000 SF
Tenancy Multiple
Building Class A
Zoning BPA

72 Transit Score

93 Walk Score

15 Spaces Available

Name	Space Use	Size	Rent
2nd Floor Ste	Office	33,000 SF	Rate Upon Request
Contact agent for more information Date available: Mar 2026 Lease term: Negotiable Service type: Negotiable Built out as: Research And Development Space Type: New In Contiguous block: 469,000 SF
3rd Floor Ste	Office	35,000 SF	Rate Upon Request
Contact agent for more information Date available: Mar 2026 Lease term: Negotiable Service type: Negotiable Built out as: Research And Development Space Type: New In Contiguous block: 469,000 SF
4th Floor Ste	Office	10,000 SF	Rate Upon Request
Contact agent for more information Date available: Mar 2026 Lease term: Negotiable Service type: Negotiable Space Type: New In Contiguous block: 469,000 SF
4th Floor Ste	Office	25,000 SF	Rate Upon Request
Contact agent for more information Date available: Mar 2026 Lease term: Negotiable Service type: Negotiable Space Type: New In Contiguous block: 469,000 SF
5th Floor Ste	Office	35,000 SF	Rate Upon Request
Contact agent for more information Date available: Mar 2026 Lease term: Negotiable Service type: Negotiable Space Type: New In Contiguous block: 469,000 SF
6th Floor Ste	Office	35,000 SF	Rate Upon Request
Contact agent for more information Date available: Mar 2026 Lease term: Negotiable Service type: Negotiable Built out as: Research And Development Space Type: New In Contiguous block: 469,000 SF
7th Floor Ste	Office	35,000 SF	Rate Upon Request
Contact agent for more information Date available: Mar 2026 Lease term: Negotiable Service type: Negotiable Built out as: Research And Development Space Type: New In Contiguous block: 469,000 SF
8th Floor Ste	Office	35,000 SF	Rate Upon Request
Contact agent for more information Date available: Mar 2026 Lease term: Negotiable Service type: Negotiable Built out as: Research And Development Space Type: New In Contiguous block: 469,000 SF
9th Floor Ste	Office	35,000 SF	Rate Upon Request
Contact agent for more information Date available: Mar 2026 Lease term: Negotiable Service type: Negotiable Built out as: Research And Development Space Type: New In Contiguous block: 469,000 SF
10th Floor Ste	Office	35,000 SF	Rate Upon Request
Contact agent for more information Date available: Mar 2026 Lease term: Negotiable Service type: Negotiable Built out as: Research And Development Space Type: New In Contiguous block: 469,000 SF
11st Floor Ste	Office	35,000 SF	Rate Upon Request
Contact agent for more information Date available: Mar 2026 Lease term: Negotiable Service type: Negotiable Built out as: Research And Development Space Type: New In Contiguous block: 469,000 SF
12nd Floor Ste	Office	35,000 SF	Rate Upon Request
Contact agent for more information Date available: Mar 2026 Lease term: Negotiable Service type: Negotiable Built out as: Research And Development Space Type: New In Contiguous block: 469,000 SF
13rd Floor Ste	Office	35,000 SF	Rate Upon Request
Contact agent for more information Date available: Mar 2026 Lease term: Negotiable Service type: Negotiable Built out as: Research And Development Space Type: New In Contiguous block: 469,000 SF
14th Floor Ste	Office	35,000 SF	Rate Upon Request
Contact agent for more information Date available: Mar 2026 Lease term: Negotiable Service type: Negotiable Built out as: Research And Development Space Type: New In Contiguous block: 469,000 SF
15th Floor Ste	Office	16,000 SF	Rate Upon Request
Contact agent for more information Date available: Mar 2026 Lease term: Negotiable Service type: Negotiable Built out as: Research And Development Space Type: New In Contiguous block: 469,000 SF

Description

74M is a breakthrough life science development in Somerville, Massachusetts. Currently, under construction, the 15-story purpose-built lab office building will contain 465,000 square feet of space. Through incorporating cutting-edge design, services, and amenities, 74M is the next life science development centered in the vibrant Somerville innovation community.

Experience state-of-the-art labs that support mission-critical research and development. 74M is LEED Platinum, WELL Platinum, and WiredScore Platinum certified – meeting exceptional standards for infrastructure, energy efficiency, and tenant well-being. The building’s focus isn’t just on scientific advancements but also on the scientists who discover them. On-site amenities include an expansive rooftop lounge and event space featuring expansive skyline views, a well-being center featuring fitness and spa-style facilities, an expansive outdoor terrace, and more.

74M offers easy accessibility and unparalleled visibility directly adjacent to I-93 and a short walk to the MBTA Orange Line station. The development creates connectivity between the highly amenitized Assembly Square and the authentic cafes and restaurants of East Somerville. Enjoy unencumbered views of Boston, Cambridge, and the Mystic River throughout the workday and benefit from proximity to a highly educated and talented workforce. 74M is an ideal destination for today’s innovators within a 10-minute drive of Kendall Square and Logan International Airport.

                
                    Highlights
                
                                Cutting-edge life science development delivering Spring 2024 located within the vibrant Somerville innovation community.
                            
                                Purpose-built 15-story, 465,000 SF lab office building designed to be LEED Platinum, WELL Platinum, and WiredScore Platinum certified.
                            
                                Breakthrough design, services, and amenities offering positioned within the dynamic mixed-use Assembly Square neighborhood.
                            
                                Accessibility, convenience, and unparalleled visibility located directly adjacent to I-93 and a short walk to the MBTA Orange Line station.

Property Flyers

Marketing Brochure/Flyer

Green Rating

LEED Platinum

Amenities

Bio-Tech/ Lab Space
Bus Line
Controlled Access
Convenience Store
Metro/Subway
Restaurant
Roof Terrace
Bicycle Storage
Sky Terrace
Outdoor Seating

Public Transportation

Commuter Rail	Drive	Walk	Distance
Malden Center (Haverhill Line - Massachusetts Bay Transportation Authority Commuter Rail (Purple Line))	5 min	-	2.6 mi
North Station (Fitchburg/South Acton Line - Massachusetts Bay Transportation Authority Commuter Rail (Purple Line), Haverhill Line - Massachusetts Bay Transportation Authority Commuter Rail (Purple Line), Lowell Line - Massachusetts Bay Transportation Authority Commuter Rail (Purple Line), Newburyport/Rockport Line - Massachusetts Bay Transportation Authority Commuter Rail (Purple Line))	7 min	-	3.1 mi
Transit/Subway	Drive	Walk	Distance
Sullivan Square Station (Orange Line - Massachusetts Bay Transportation Authority Subway (The T))	2 min	17 min	0.9 mi
Airport	Drive	Walk	Distance
General Edward Lawrence Logan International	12 min	-	5.9 mi

Molly Heath 857-256-5706 JLL

74 Middlesex Ave Somerville, MA 02145 Assembly Square