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Park Highlights

  • Amenity-rich campus featuring fitness center, childcare, collaboration areas, and green outdoor spaces.
  • On-campus community anchored by modernized spaces and proximity to Arsenal Yards dining and retail.
  • Contemporary renovations aimed at achieving LEED Gold and Fitwel sustainability certifications.
  • Direct access to Arsenal Street with connectivity to I-90, Cambridge, and Boston’s innovation corridor.
  • Flexibility to accommodate office and life science users with customizable layouts and advanced building systems.

Park Facts

Total Space Available 359,046 SF
Park Type Office Park
Features
Courtyard
  • Wheelchair Accessible, Air Conditioning

All Available Spaces(21)

Display Rental Rate as

The Arsenal on the Charles
500 N Beacon St - Arsenal on the Charles
8,850 SF | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | View Building Details
Building Type/Class
Office/A
Year Built
2023
Building Size
120,000 SF
Building Height
4 Stories
Typical Floor Size
30,000 SF
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 1st Floor
  • 8,850 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now

500 North Beacon Street celebrates the rich history of the campus while injecting the site with a contemporary aesthetic. The new office and research laboratory facility, which is targeting LEED Gold and Fitwel certifications, consists of two main volumes: a four-story structure clad in vertical copper fins and a lower glass volume featuring a large fourth floor terrace.

  • Open Floor Plan Layout
  • Laboratory
  • Space is in Excellent Condition
  • Bio-Tech/Lab Space
Space Size Term Rental Rate Space Use Build-Out Available
1st Floor 8,850 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
The Arsenal on the Charles
500 N Beacon St - Arsenal on the Charles
8,850 SF | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | View Building Details
Building Type/Class
Office/A
Year Built
2023
Building Size
120,000 SF
Building Height
4 Stories
Typical Floor Size
30,000 SF

500 N Beacon St - 1st Floor

Size
8,850 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now
The Arsenal on the Charles
200 Talcott Ave - Arsenal on the Charles
24,885 SF | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | View Building Details
Building Type/Class
Office/B
Year Built/Renovated
1851/2000
Building Size
50,663 SF
Building Height
2 Stories
Typical Floor Size
25,332 SF
Parking
600 Spaces
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 1st Floor
  • 24,885 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Bio-Tech / Lab Space available for lease

  • Fully Built-Out as Standard Office
  • Space is in Excellent Condition
  • Bio-Tech/Lab Space
  • Open Floor Plan Layout
  • Laboratory
Space Size Term Rental Rate Space Use Build-Out Available
1st Floor 24,885 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
The Arsenal on the Charles
200 Talcott Ave - Arsenal on the Charles
24,885 SF | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | View Building Details
Building Type/Class
Office/B
Year Built/Renovated
1851/2000
Building Size
50,663 SF
Building Height
2 Stories
Typical Floor Size
25,332 SF
Parking
600 Spaces

200 Talcott Ave - 1st Floor

Size
24,885 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
Now
The Arsenal on the Charles
100 Talcott Ave - Arsenal on the Charles
39,921 SF | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | View Building Details
Building Type/Class
Office/B
Year Built/Renovated
1816/2000
Building Size
88,179 SF
Building Height
2 Stories
Typical Floor Size
44,090 SF
Parking
298 Spaces
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 1st Floor
  • 39,921 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Bio-Tech / Lab Space available for lease

  • Fully Built-Out as Standard Office
  • Space is in Excellent Condition
  • Bio-Tech/Lab Space
  • Open Floor Plan Layout
  • Laboratory
Space Size Term Rental Rate Space Use Build-Out Available
1st Floor 39,921 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
The Arsenal on the Charles
100 Talcott Ave - Arsenal on the Charles
39,921 SF | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | View Building Details
Building Type/Class
Office/B
Year Built/Renovated
1816/2000
Building Size
88,179 SF
Building Height
2 Stories
Typical Floor Size
44,090 SF
Parking
298 Spaces

100 Talcott Ave - 1st Floor

Size
39,921 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
Now
The Arsenal on the Charles
300 N Beacon St - Arsenal on the Charles
5,374 - 75,124 SF | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | View Building Details
Building Type/Class
Office/B
Year Built/Renovated
1922/2000
Building Size
131,111 SF
Building Height
5 Stories
Typical Floor Size
26,222 SF
Parking
2/1,000 SF
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 1st Floor
  • 8,033 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

This 8,033 SF office and lab suite within a dynamic life sciences campus in Watertown, MA. This thoughtfully designed space combines workplace flexibility with specialized laboratory capabilities to support research-focused teams. The suite features 23 workstations, 2 private offices, 1 conference room, a huddle room, phone room, dedicated lab office, and a break room. Laboratory accommodations include 20 open lab benches, 2 tissue culture labs, and a glass wash/equipment room, making it ideal for emerging biotech and life sciences users. Common amenities include a 30-person seminar/conference room and a café with 12-person seating, promoting collaboration and community engagement.

  • Fully Built-Out as Standard Office
  • 2 Private Offices
  • 23 Workstations
  • Reception Area
  • 8,033 SF fully integrated office and lab
  • 1 conference room and 1 breakout huddle room
  • Glass wash and equipment room within lab area
  • Mostly Open Floor Plan Layout
  • 1 Conference Room
  • Central Air and Heating
  • Laboratory
  • 23 workstations and 2 private offices
  • 20 open lab benches plus 2 tissue culture labs
  • 2nd Floor
  • 7,588 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • July 01, 2026

This 7,588 SF lab and office suite designed for growing life sciences and research organizations. Situated within a redeveloped campus in Watertown, this space offers a balanced program of collaborative and specialized environments. The layout includes 24 workstations, 2 private offices, a conference room, a huddle room, phone room, dedicated lab office, and a break room. The laboratory area is equipped with 20 open lab benches, 2 tissue culture labs, and a glass wash/equipment room to support diverse research workflows. Tenants enjoy access to shared building amenities, including a seminar/conference room accommodating up to 30 attendees and a café on Level 2 for informal gatherings.

  • Fully Built-Out as Research and Development Space
  • 2 Private Offices
  • 24 Workstations
  • Central Air and Heating
  • Print/Copy Room
  • 7,588 SF lab/office in premier life sciences park
  • Conference room and huddle room
  • Glass wash and equipment room within lab area
  • Mostly Open Floor Plan Layout
  • 1 Conference Room
  • Space is in Excellent Condition
  • Laboratory
  • Wheelchair Accessible
  • 24 workstations and 2 private offices
  • 20 open benches and 2 tissue culture labs
  • 2nd Floor
  • 5,374 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • July 01, 2026

This 5,374 SF lab and office suite purposefully designed to accommodate research and collaboration within a premier life sciences campus. This thoughtfully configured suite features 12 workstations, 1 private office, and 2 conference rooms to support team meetings and executive functions. The laboratory environment provides 18 open lab benches, 2 tissue culture labs, a dedicated glass wash room, and a freezer room, ensuring critical infrastructure is in place for specialized research needs. Tenants will also benefit from the larger campus experience, including modern fitness facilities, childcare services, communal lounges, and nearby dining and retail at Arsenal Yards.

  • Fully Built-Out as Research and Development Space
  • 1 Private Office
  • 12 Workstations
  • Central Air and Heating
  • Wheelchair Accessible
  • 12 workstations with 1 private office
  • 18 open lab benches plus 2 tissue culture labs
  • Mostly Open Floor Plan Layout
  • 2 Conference Rooms
  • Space is in Excellent Condition
  • Laboratory
  • Turnkey lab & office within innovation campus
  • 2 conference rooms
  • Glass wash and freezer rooms for lab operations
  • 3rd Floor
  • 11,067 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • March 01, 2027

This 11,067 SF office suite tailored for teams seeking an upscale, collaborative environment within a full-service life sciences and office campus. This thoughtfully planned suite includes 13 workstations, 22 private offices for executive and focused work, and 2 well-equipped conference rooms for group collaboration. Enhancing the space are premium tenant amenities such as a dedicated fitness center and a café-style coffee bar within the suite itself, promoting wellness and convenience for daily operations.

  • Fully Built-Out as Standard Office
  • 2 Conference Rooms
  • Space is in Excellent Condition
  • Wheelchair Accessible
  • 2 conference rooms
  • 22 Private Offices
  • 13 Workstations
  • Central Air and Heating
  • 13 workstations and 22 private offices
  • Dedicated fitness center within the private suite
  • 4th Floor
  • 21,531 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • March 01, 2027

This 21,531 SF lab/office suite configured to meet the needs of advanced research operations within a world-class life sciences campus. This expansive workspace includes 12 workstations and 18 private offices for focused productivity, complemented by 3 conference rooms and 2 collaborative rooms to support team engagement. A dedicated in-suite cafeteria provides convenience for staff and visitors. Laboratory infrastructure is robust, featuring a biology lab, biological analytical lab, chemistry lab, two tissue culture labs, cold room, glass wash area, and freezer room. These purpose-built areas provide scalable, turnkey solutions for biotech firms and R&D-driven organizations needing integrated lab and office capabilities.

  • Fully Built-Out as Research and Development Space
  • 18 Private Offices
  • 12 Workstations
  • Central Air and Heating
  • Print/Copy Room
  • 12 workstations and 18 private offices
  • Biology, chemistry & analytical labs
  • Mostly Open Floor Plan Layout
  • 3 Conference Rooms
  • Space is in Excellent Condition
  • Laboratory
  • Wheelchair Accessible
  • 3 conference rooms plus 2 collaboration rooms
  • Cold room, glass wash & freezer for lab operations
  • 5th Floor
  • 21,531 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • March 01, 2027

21,531 SF office suite designed for corporate, research, or hybrid workplace teams seeking a high-capacity layout supported by modern amenities. This suite offers 32 workstations and 43 private offices, providing ample dedicated spaces for leaders and team members. Collaboration is supported through 2 conference rooms, 1 board room, 2 collaboration rooms, and 1 huddle room, creating a diverse mix of formal and informal meeting areas. Additional in-suite amenities include 5 phone rooms, a coffee bar, a dedicated security office, and a wellness room, allowing companies to promote comfort, privacy, and well-being within the workplace.

  • Fully Built-Out as Standard Office
  • 2 Conference Rooms
  • Space is in Excellent Condition
  • Reception Area
  • Private Restrooms
  • 21,531 SF premium office
  • 2 conference rooms and 1 executive board room
  • Coffee bar, wellness room, and dedicated security
  • 43 Private Offices
  • 32 Workstations
  • Central Air and Heating
  • Print/Copy Room
  • Wheelchair Accessible
  • 32 workstations and 43 private offices
  • 2 collaboration rooms + huddle room
  • 5 phone rooms
Space Size Term Rental Rate Space Use Build-Out Available
1st Floor 8,033 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
2nd Floor 7,588 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out July 01, 2026
2nd Floor 5,374 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out July 01, 2026
3rd Floor 11,067 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out March 01, 2027
4th Floor 21,531 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out March 01, 2027
5th Floor 21,531 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out March 01, 2027
The Arsenal on the Charles
300 N Beacon St - Arsenal on the Charles
5,374 - 75,124 SF | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | View Building Details
Building Type/Class
Office/B
Year Built/Renovated
1922/2000
Building Size
131,111 SF
Building Height
5 Stories
Typical Floor Size
26,222 SF
Parking
2/1,000 SF

300 N Beacon St - 1st Floor

Size
8,033 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
Now

300 N Beacon St - 2nd Floor

Size
7,588 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
July 01, 2026

300 N Beacon St - 2nd Floor

Size
5,374 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
July 01, 2026

300 N Beacon St - 3rd Floor

Size
11,067 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
March 01, 2027

300 N Beacon St - 4th Floor

Size
21,531 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
March 01, 2027

300 N Beacon St - 5th Floor

Size
21,531 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
March 01, 2027
The Arsenal on the Charles
311 Arsenal St
3,530 - 210,266 SF | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | View Building Details
Building Type/Class
Office/A
Year Built/Renovated
1917/2000
Building Size
395,500 SF
Building Height
5 Stories
Typical Floor Size
79,100 SF
Parking
1191 Spaces
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 1st Floor, Ste 1E
  • 9,211 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 1st Floor, Ste 1E
  • 5,781 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 1st Floor, Ste 1W
  • 15,795 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 1st Floor, Ste 1W
  • 24,605 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 2nd Floor, Ste 2E
  • 4,287 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 2nd Floor, Ste 2W
  • 27,278 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 3rd Floor, Ste 3W
  • 21,579 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 3rd Floor, Ste MEZZ (EAST)
  • 3,530 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 4th Floor, Ste 4E
  • 29,262 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 4th Floor, Ste 4W
  • 31,570 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 5th Floor, Ste 5E
  • 5,820 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 5th Floor, Ste 5W
  • 31,548 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
Space Size Term Rental Rate Space Use Build-Out Available
1st Floor, Ste 1E 9,211 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
1st Floor, Ste 1E 5,781 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
1st Floor, Ste 1W 15,795 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
1st Floor, Ste 1W 24,605 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
2nd Floor, Ste 2E 4,287 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
2nd Floor, Ste 2W 27,278 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
3rd Floor, Ste 3W 21,579 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
3rd Floor, Ste MEZZ (EAST) 3,530 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
4th Floor, Ste 4E 29,262 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
4th Floor, Ste 4W 31,570 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
5th Floor, Ste 5E 5,820 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
5th Floor, Ste 5W 31,548 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
The Arsenal on the Charles
311 Arsenal St
3,530 - 210,266 SF | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | View Building Details
Building Type/Class
Office/A
Year Built/Renovated
1917/2000
Building Size
395,500 SF
Building Height
5 Stories
Typical Floor Size
79,100 SF
Parking
1191 Spaces

311 Arsenal St - 1st Floor - Ste 1E

Size
9,211 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

311 Arsenal St - 1st Floor - Ste 1E

Size
5,781 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

311 Arsenal St - 1st Floor - Ste 1W

Size
15,795 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

311 Arsenal St - 1st Floor - Ste 1W

Size
24,605 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

311 Arsenal St - 2nd Floor - Ste 2E

Size
4,287 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

311 Arsenal St - 2nd Floor - Ste 2W

Size
27,278 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

311 Arsenal St - 3rd Floor - Ste 3W

Size
21,579 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

311 Arsenal St - 3rd Floor - Ste MEZZ (EAST)

Size
3,530 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

311 Arsenal St - 4th Floor - Ste 4E

Size
29,262 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

311 Arsenal St - 4th Floor - Ste 4W

Size
31,570 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

311 Arsenal St - 5th Floor - Ste 5E

Size
5,820 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

311 Arsenal St - 5th Floor - Ste 5W

Size
31,548 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

500 N Beacon St - 1st Floor

Size 8,850 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

500 North Beacon Street celebrates the rich history of the campus while injecting the site with a contemporary aesthetic. The new office and research laboratory facility, which is targeting LEED Gold and Fitwel certifications, consists of two main volumes: a four-story structure clad in vertical copper fins and a lower glass volume featuring a large fourth floor terrace.

  • Open Floor Plan Layout
  • Space is in Excellent Condition
  • Laboratory
  • Bio-Tech/Lab Space

200 Talcott Ave - 1st Floor

Size 24,885 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available Now

Bio-Tech / Lab Space available for lease

  • Fully Built-Out as Standard Office
  • Open Floor Plan Layout
  • Space is in Excellent Condition
  • Laboratory
  • Bio-Tech/Lab Space

100 Talcott Ave - 1st Floor

Size 39,921 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available Now

Bio-Tech / Lab Space available for lease

  • Fully Built-Out as Standard Office
  • Open Floor Plan Layout
  • Space is in Excellent Condition
  • Laboratory
  • Bio-Tech/Lab Space

300 N Beacon St - 1st Floor

Size 8,033 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available Now

This 8,033 SF office and lab suite within a dynamic life sciences campus in Watertown, MA. This thoughtfully designed space combines workplace flexibility with specialized laboratory capabilities to support research-focused teams. The suite features 23 workstations, 2 private offices, 1 conference room, a huddle room, phone room, dedicated lab office, and a break room. Laboratory accommodations include 20 open lab benches, 2 tissue culture labs, and a glass wash/equipment room, making it ideal for emerging biotech and life sciences users. Common amenities include a 30-person seminar/conference room and a café with 12-person seating, promoting collaboration and community engagement.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 2 Private Offices
  • 1 Conference Room
  • 23 Workstations
  • Central Air and Heating
  • Reception Area
  • Laboratory
  • 8,033 SF fully integrated office and lab
  • 23 workstations and 2 private offices
  • 1 conference room and 1 breakout huddle room
  • 20 open lab benches plus 2 tissue culture labs
  • Glass wash and equipment room within lab area

300 N Beacon St - 2nd Floor

Size 7,588 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available July 01, 2026

This 7,588 SF lab and office suite designed for growing life sciences and research organizations. Situated within a redeveloped campus in Watertown, this space offers a balanced program of collaborative and specialized environments. The layout includes 24 workstations, 2 private offices, a conference room, a huddle room, phone room, dedicated lab office, and a break room. The laboratory area is equipped with 20 open lab benches, 2 tissue culture labs, and a glass wash/equipment room to support diverse research workflows. Tenants enjoy access to shared building amenities, including a seminar/conference room accommodating up to 30 attendees and a café on Level 2 for informal gatherings.

  • Fully Built-Out as Research and Development Space
  • Mostly Open Floor Plan Layout
  • 2 Private Offices
  • 1 Conference Room
  • 24 Workstations
  • Space is in Excellent Condition
  • Central Air and Heating
  • Laboratory
  • Print/Copy Room
  • Wheelchair Accessible
  • 7,588 SF lab/office in premier life sciences park
  • 24 workstations and 2 private offices
  • Conference room and huddle room
  • 20 open benches and 2 tissue culture labs
  • Glass wash and equipment room within lab area

300 N Beacon St - 2nd Floor

Size 5,374 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available July 01, 2026

This 5,374 SF lab and office suite purposefully designed to accommodate research and collaboration within a premier life sciences campus. This thoughtfully configured suite features 12 workstations, 1 private office, and 2 conference rooms to support team meetings and executive functions. The laboratory environment provides 18 open lab benches, 2 tissue culture labs, a dedicated glass wash room, and a freezer room, ensuring critical infrastructure is in place for specialized research needs. Tenants will also benefit from the larger campus experience, including modern fitness facilities, childcare services, communal lounges, and nearby dining and retail at Arsenal Yards.

  • Fully Built-Out as Research and Development Space
  • Mostly Open Floor Plan Layout
  • 1 Private Office
  • 2 Conference Rooms
  • 12 Workstations
  • Space is in Excellent Condition
  • Central Air and Heating
  • Laboratory
  • Wheelchair Accessible
  • Turnkey lab & office within innovation campus
  • 12 workstations with 1 private office
  • 2 conference rooms
  • 18 open lab benches plus 2 tissue culture labs
  • Glass wash and freezer rooms for lab operations

300 N Beacon St - 3rd Floor

Size 11,067 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available March 01, 2027

This 11,067 SF office suite tailored for teams seeking an upscale, collaborative environment within a full-service life sciences and office campus. This thoughtfully planned suite includes 13 workstations, 22 private offices for executive and focused work, and 2 well-equipped conference rooms for group collaboration. Enhancing the space are premium tenant amenities such as a dedicated fitness center and a café-style coffee bar within the suite itself, promoting wellness and convenience for daily operations.

  • Fully Built-Out as Standard Office
  • 22 Private Offices
  • 2 Conference Rooms
  • 13 Workstations
  • Space is in Excellent Condition
  • Central Air and Heating
  • Wheelchair Accessible
  • 13 workstations and 22 private offices
  • 2 conference rooms
  • Dedicated fitness center within the private suite

300 N Beacon St - 4th Floor

Size 21,531 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available March 01, 2027

This 21,531 SF lab/office suite configured to meet the needs of advanced research operations within a world-class life sciences campus. This expansive workspace includes 12 workstations and 18 private offices for focused productivity, complemented by 3 conference rooms and 2 collaborative rooms to support team engagement. A dedicated in-suite cafeteria provides convenience for staff and visitors. Laboratory infrastructure is robust, featuring a biology lab, biological analytical lab, chemistry lab, two tissue culture labs, cold room, glass wash area, and freezer room. These purpose-built areas provide scalable, turnkey solutions for biotech firms and R&D-driven organizations needing integrated lab and office capabilities.

  • Fully Built-Out as Research and Development Space
  • Mostly Open Floor Plan Layout
  • 18 Private Offices
  • 3 Conference Rooms
  • 12 Workstations
  • Space is in Excellent Condition
  • Central Air and Heating
  • Laboratory
  • Print/Copy Room
  • Wheelchair Accessible
  • 12 workstations and 18 private offices
  • 3 conference rooms plus 2 collaboration rooms
  • Biology, chemistry & analytical labs
  • Cold room, glass wash & freezer for lab operations

300 N Beacon St - 5th Floor

Size 21,531 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available March 01, 2027

21,531 SF office suite designed for corporate, research, or hybrid workplace teams seeking a high-capacity layout supported by modern amenities. This suite offers 32 workstations and 43 private offices, providing ample dedicated spaces for leaders and team members. Collaboration is supported through 2 conference rooms, 1 board room, 2 collaboration rooms, and 1 huddle room, creating a diverse mix of formal and informal meeting areas. Additional in-suite amenities include 5 phone rooms, a coffee bar, a dedicated security office, and a wellness room, allowing companies to promote comfort, privacy, and well-being within the workplace.

  • Fully Built-Out as Standard Office
  • 43 Private Offices
  • 2 Conference Rooms
  • 32 Workstations
  • Space is in Excellent Condition
  • Central Air and Heating
  • Reception Area
  • Print/Copy Room
  • Private Restrooms
  • Wheelchair Accessible
  • 21,531 SF premium office
  • 32 workstations and 43 private offices
  • 2 conference rooms and 1 executive board room
  • 2 collaboration rooms + huddle room
  • Coffee bar, wellness room, and dedicated security
  • 5 phone rooms

311 Arsenal St - 1st Floor - Ste 1E

Size 9,211 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

311 Arsenal St - 1st Floor - Ste 1E

Size 5,781 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

311 Arsenal St - 1st Floor - Ste 1W

Size 15,795 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

311 Arsenal St - 1st Floor - Ste 1W

Size 24,605 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

311 Arsenal St - 2nd Floor - Ste 2E

Size 4,287 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

311 Arsenal St - 2nd Floor - Ste 2W

Size 27,278 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

311 Arsenal St - 3rd Floor - Ste 3W

Size 21,579 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

311 Arsenal St - 3rd Floor - Ste MEZZ (EAST)

Size 3,530 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

311 Arsenal St - 4th Floor - Ste 4E

Size 29,262 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

311 Arsenal St - 4th Floor - Ste 4W

Size 31,570 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

311 Arsenal St - 5th Floor - Ste 5E

Size 5,820 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

311 Arsenal St - 5th Floor - Ste 5W

Size 31,548 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

Park Overview

The Arsenal on the Charles offers an exceptional opportunity to lease office and life sciences space within a transformative campus environment in East Watertown. Boasting a mix of history and innovation, this dynamic 59-acre campus is designed for collaboration and connectivity. Tenants benefit from access to an impressive amenity package, including a full-service fitness center, childcare facilities, dining options, and green spaces that enhance workplace well-being. The campus stands at the heart of a thriving commercial corridor adjacent to Arsenal Yards, providing immediate access to retail, dining, and entertainment options. Commuters will appreciate excellent regional connectivity via Arsenal Street, which links directly to the Massachusetts Turnpike (I-90) and offers easy access to Cambridge, Boston, and surrounding innovation clusters. The property is also well-served by MBTA bus routes, with convenient proximity to major employment and residential hubs. With flexible floor plans and brand-new laboratory and office configurations targeting LEED Gold and Fitwel certifications, this campus offers a forward-thinking environment ideal for cutting-edge research, technology, and creative office users seeking scalable, sustainable space.

  • Courtyard
  • Wheelchair Accessible
  • Air Conditioning
Moderately walkable
70/100
Exceptionally drivable
100/100
Some public transit
50/100
Moderately bikeable
70/100
  • Listing ID: 30287383

  • Date on Market: 6/15/2026

  • Last Updated:

  • Address: 311 Arsenal St, Watertown, MA 02472

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