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The Cahill Building 840 Summer St 587 - 8,244 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.
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.
Lower level space in 24-hour access building. Office or building is also zoned for fitness and beauty parlor. Central South Boston location with off-street parking available for a fee. Flexible term. Will pay brokerage fee. Modified gross with a tax escalator clause. Loading dock access with roll-up door.
- Listed rate may not include certain utilities, building services and property expenses
- Central Air and Heating
- Common Parts WC Facilities
- Exposed Ceiling
- Space is in Excellent Condition
- Closed Circuit Television Monitoring (CCTV)
- High Ceilings
- Great Summer Street exposure! Close to 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 | January 01, 2026 |
| Basement - 004-A | 587 SF | Negotiable | $12.00 /SF/YR $1.00 /SF/MO $7,044 /YR $587.00 /MO | Flex | Shell Space | January 01, 2026 |
| 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 |
| 2nd Floor - 202 | 1,304 SF | Negotiable | $22.00 /SF/YR $1.83 /SF/MO $28,688 /YR $2,391 /MO | Flex | - | 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 |
| January 01, 2026 |
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 |
| January 01, 2026 |
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 |
2nd Floor - 202
| Size |
| 1,304 SF |
| Term |
| Negotiable |
| Rental Rate |
| $22.00 /SF/YR $1.83 /SF/MO $28,688 /YR $2,391 /MO |
| Space Use |
| Flex |
| Condition |
| - |
| 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 | January 01, 2026 |
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 | January 01, 2026 |
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, 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.
2nd Floor - 202
| Size | 1,304 SF |
| Term | Negotiable |
| Rental Rate | $22.00 /SF/YR |
| Space Use | Flex |
| Condition | - |
| Available | Now |
Lower level space in 24-hour access building. Office or building is also zoned for fitness and beauty parlor. Central South Boston location with off-street parking available for a fee. Flexible term. Will pay brokerage fee. Modified gross with a tax escalator clause. Loading dock access with roll-up door.
- Listed rate may not include certain utilities, building services and property expenses
- Space is in Excellent Condition
- Central Air and Heating
- Closed Circuit Television Monitoring (CCTV)
- Common Parts WC Facilities
- High Ceilings
- Exposed Ceiling
- Great Summer Street exposure! Close to 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
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The Cahill Building | 840 Summer St
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