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The Cahill Building 840 Summer St 587 - 7,922 SF of Space Available in Boston, MA 02127
FEATURES
ALL AVAILABLE SPACES(5)
Display Rental Rate as
- SPACE
- SIZE
- TERM
- RENTAL RATE
- SPACE USE
- CONDITION
- AVAILABLE
Lower level office or lab, flex space in 24-hour access building. Building is also zoned for fitness and beauty parlor. Central South Boston location with off-street parking available for a fee. Flexible term. $2,400 - will pay brokerage fee. Modified gross with a tax escalator clause. New windows lots of light in office space, interior kitchen with industrial sink.
- Listed rate may not include certain utilities, building services and property expenses
- 1 Loading Dock
- Includes 900 SF of dedicated office space
- Mixed office-lab space with corner location.
Lower level stoarge space. Flexible use. Off-street parking for a fee. $1636/month.
- Listed rate may not include certain utilities, building services and property expenses
- Closed Circuit Television Monitoring (CCTV)
- Common Parts WC Facilities
- Great building location - South Boston.
- 1 Loading Dock
- Drop Ceilings
- After Hours HVAC Available
Small storage space, lower level. Easy load-in, load out. $600/month.
- Listed rate may not include certain utilities, building services and property expenses
- Central Heating System
- Closed Circuit Television Monitoring (CCTV)
- After Hours HVAC Available
- 1 Loading Dock
- Wi-Fi Connectivity
- Common Parts WC Facilities
- 24-access building. CCTV monitoring.
Ready to go office space in prime South Boston location. Building is 24 hour access, with high ceilings and exposed brick. CCTV monitoring in common areas. Public transport on the edge of the Seaport. Term flexible, min 12 months.
- Listed rate may not include certain utilities, building services and property expenses
- 1 Loading Dock
- Wi-Fi Connectivity
- Emergency Lighting
- After Hours HVAC Available
- Space is in Excellent Condition
- Central Air and Heating
- Closed Circuit Television Monitoring (CCTV)
- Common Parts WC Facilities
- Exposed Ceiling
First floor space in 24-hour access building. Loft office or building is also zoned for fitness and beauty parlor. Exposed bright, high ceilings, great light. Central South Boston location with off-street parking available for a fee. Flexible term. $3,000 - will pay brokerage fee. Modified gross with a tax escalator clause. Loading dock access, freight elevator. CC-TV monitoring in common areas.
- Listed rate may not include certain utilities, building services and property expenses
- Central Air and Heating
- High Ceilings
- After Hours HVAC Available
- Hardwood Floors
- Finished Ceilings: 14’
- Wi-Fi Connectivity
- Natural Light
- Open-Plan
- Great South Boston location - near Seaport.
| Space | Size | Term | Rental Rate | Space Use | Condition | Available |
| Basement - 001 | 3,077 SF | Negotiable | $18.00 /SF/YR $1.50 /SF/MO $55,386 /YR $4,616 /MO | Flex | - | January 15, 2026 |
| Basement - 003 | 1,636 SF | Negotiable | $12.00 /SF/YR $1.00 /SF/MO $19,632 /YR $1,636 /MO | Flex | Shell Space | Now |
| Basement - 004-A | 587 SF | Negotiable | $12.00 /SF/YR $1.00 /SF/MO $7,044 /YR $587.00 /MO | Flex | Shell Space | Now |
| 1st Floor - 105 | 982 SF | Negotiable | $21.00 /SF/YR $1.75 /SF/MO $20,622 /YR $1,719 /MO | Flex | - | Now |
| 1st Floor, Ste 108B | 1,640 SF | Negotiable | $22.00 /SF/YR $1.83 /SF/MO $36,080 /YR $3,007 /MO | Office | Shell Space | Now |
Basement - 001
| Size |
| 3,077 SF |
| Term |
| Negotiable |
| Rental Rate |
| $18.00 /SF/YR $1.50 /SF/MO $55,386 /YR $4,616 /MO |
| Space Use |
| Flex |
| Condition |
| - |
| Available |
| January 15, 2026 |
Basement - 003
| Size |
| 1,636 SF |
| Term |
| Negotiable |
| Rental Rate |
| $12.00 /SF/YR $1.00 /SF/MO $19,632 /YR $1,636 /MO |
| Space Use |
| Flex |
| Condition |
| Shell Space |
| Available |
| Now |
Basement - 004-A
| Size |
| 587 SF |
| Term |
| Negotiable |
| Rental Rate |
| $12.00 /SF/YR $1.00 /SF/MO $7,044 /YR $587.00 /MO |
| Space Use |
| Flex |
| Condition |
| Shell Space |
| Available |
| Now |
1st Floor - 105
| Size |
| 982 SF |
| Term |
| Negotiable |
| Rental Rate |
| $21.00 /SF/YR $1.75 /SF/MO $20,622 /YR $1,719 /MO |
| Space Use |
| Flex |
| Condition |
| - |
| Available |
| Now |
1st Floor, Ste 108B
| Size |
| 1,640 SF |
| Term |
| Negotiable |
| Rental Rate |
| $22.00 /SF/YR $1.83 /SF/MO $36,080 /YR $3,007 /MO |
| Space Use |
| Office |
| Condition |
| Shell Space |
| Available |
| Now |
Basement - 001
| Size | 3,077 SF |
| Term | Negotiable |
| Rental Rate | $18.00 /SF/YR |
| Space Use | Flex |
| Condition | - |
| Available | January 15, 2026 |
Lower level office or lab, flex space in 24-hour access building. Building is also zoned for fitness and beauty parlor. Central South Boston location with off-street parking available for a fee. Flexible term. $2,400 - will pay brokerage fee. Modified gross with a tax escalator clause. New windows lots of light in office space, interior kitchen with industrial sink.
- Listed rate may not include certain utilities, building services and property expenses
- Includes 900 SF of dedicated office space
- 1 Loading Dock
- Mixed office-lab space with corner location.
Basement - 003
| Size | 1,636 SF |
| Term | Negotiable |
| Rental Rate | $12.00 /SF/YR |
| Space Use | Flex |
| Condition | Shell Space |
| Available | Now |
Lower level stoarge space. Flexible use. Off-street parking for a fee. $1636/month.
- Listed rate may not include certain utilities, building services and property expenses
- 1 Loading Dock
- Closed Circuit Television Monitoring (CCTV)
- Drop Ceilings
- Common Parts WC Facilities
- After Hours HVAC Available
- Great building location - South Boston.
Basement - 004-A
| Size | 587 SF |
| Term | Negotiable |
| Rental Rate | $12.00 /SF/YR |
| Space Use | Flex |
| Condition | Shell Space |
| Available | Now |
Small storage space, lower level. Easy load-in, load out. $600/month.
- Listed rate may not include certain utilities, building services and property expenses
- 1 Loading Dock
- Central Heating System
- Wi-Fi Connectivity
- Closed Circuit Television Monitoring (CCTV)
- Common Parts WC Facilities
- After Hours HVAC Available
- 24-access building. CCTV monitoring.
1st Floor - 105
| Size | 982 SF |
| Term | Negotiable |
| Rental Rate | $21.00 /SF/YR |
| Space Use | Flex |
| Condition | - |
| Available | Now |
Ready to go office space in prime South Boston location. Building is 24 hour access, with high ceilings and exposed brick. CCTV monitoring in common areas. Public transport on the edge of the Seaport. Term flexible, min 12 months.
- Listed rate may not include certain utilities, building services and property expenses
- Space is in Excellent Condition
- 1 Loading Dock
- Central Air and Heating
- Wi-Fi Connectivity
- Closed Circuit Television Monitoring (CCTV)
- Emergency Lighting
- Common Parts WC Facilities
- After Hours HVAC Available
- Exposed Ceiling
1st Floor, Ste 108B
| Size | 1,640 SF |
| Term | Negotiable |
| Rental Rate | $22.00 /SF/YR |
| Space Use | Office |
| Condition | Shell Space |
| Available | Now |
First floor space in 24-hour access building. Loft office or building is also zoned for fitness and beauty parlor. Exposed bright, high ceilings, great light. Central South Boston location with off-street parking available for a fee. Flexible term. $3,000 - will pay brokerage fee. Modified gross with a tax escalator clause. Loading dock access, freight elevator. CC-TV monitoring in common areas.
- Listed rate may not include certain utilities, building services and property expenses
- Finished Ceilings: 14’
- Central Air and Heating
- Wi-Fi Connectivity
- High Ceilings
- Natural Light
- After Hours HVAC Available
- Open-Plan
- Hardwood Floors
- Great South Boston location - near Seaport.
PROPERTY FACTS
SELECT TENANTS
- FLOOR
- TENANT NAME
- INDUSTRY
- 1st
- All Work The Copywrite Of Fredrick Lee Or Associat
- Professional, Scientific, and Technical Services
- 3rd
- ARC Design
- Retailer
- 3rd
- Beacon Hill Frames
- Retailer
- 3rd
- Cedar Hill Construction Managers
- Health Care and Social Assistance
- 1st
- Commune Hair Boston
- -
- Unknown
- ICO Energy and Engineering Inc
- -
- 1st
- Joyce Michelle Photography
- Professional, Scientific, and Technical Services
- 3rd
- Neoscape
- Professional, Scientific, and Technical Services
- BSMT
- Parallel Fluidics
- Professional, Scientific, and Technical Services
- 3rd
- Shag Loft
- Services
Presented by
The Cahill Building | 840 Summer St
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