Updated: Apr 09, 2026
Location and Projects
Address
40 L STREET, Boston, MA, 02127
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J.K. Blackstone Construction, Corp
J.K. Blackstone Construction, Corp at 40 L STREET, Boston, MA 02127, held a General Contractor license (#149317) with the Massachusetts contractors license board with an expiration date of 12-18-2011. We last verified the license was expired on 03-28-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 139,240 Massachusetts contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
J.K. Blackstone Construction, Corp Services
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J.K. Blackstone Construction, Corp Contact Information
Phone Number: (617) 447-5500
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Address: 40 L STREET, Boston, MA 02127
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Building Permits by J.K. Blackstone Construction, Corp
This is a sample of this contractor's permits. Click here to access their complete permit history.
: cutting soldering & welding for renovation & installation of steel supports *** bfd paid detail required
Valuation:
$0
Permit #:
CBW283391
Status:
Closed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
: temporary bagging of smoke detectors for dust control during construction **work being done @ 96-100 cummington street
Valuation:
$0
Permit #:
BSD260556
Status:
Closed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
: temporary bagging of smoke detectors for dust control during construction renovation work
Valuation:
$0
Permit #:
BSD281063
Status:
Closed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior renovations to include floors walls ceiling carpet & paint **work being done @ 96-100 cummington street
Valuation:
$0
Permit #:
FDC260553
Status:
Closed
Fee:
$225
Permit Type:
N/A
Building Type:
N/A
Selective demolish & renovations of new locker room to include new ceilings walls & flooring
Valuation:
$0
Permit #:
FDC341091
Status:
Closed
Fee:
$183
Permit Type:
N/A
Building Type:
N/A
: cutting burning & welding to remove existing railing & install replacement rail in southwest stairwell (dpl) *** bfd paid detail required
Valuation:
$0
Permit #:
CBW89317
Status:
Closed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior demolish & renovations of office space to include partitions ceilings & flooring
Valuation:
$0
Permit #:
FDC321943
Status:
Closed
Fee:
$350
Permit Type:
N/A
Building Type:
N/A
Renovation work to include removal of ceilings and installation of unistrut platform (for maintenance use)
Valuation:
$0
Permit #:
FDC178148
Status:
Closed
Fee:
$265
Permit Type:
N/A
Building Type:
N/A
Renovations of laboratory room 029: lab equipment casework/cabinets & finishes
Valuation:
$0
Permit #:
FDC364622
Status:
Closed
Fee:
$170
Permit Type:
N/A
Building Type:
N/A
: cutting & welding of structural steel to remove & reinforce a steel column *** bfd paid detail required
Valuation:
$0
Permit #:
CBW165876
Status:
Closed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior renovation of lab space with new mechanical electrical finishes
Valuation:
$61,000
Permit #:
BLDC-009845-2013
Status:
issued
Fee:
N/A
Permit Type:
Addition alteration
Building Type:
N/A
Selective demolish & renovations to include floors ceilings drywall & finishes
Valuation:
$0
Permit #:
FDC281887
Status:
Closed
Fee:
$198
Permit Type:
N/A
Building Type:
N/A
Cranes: stand boom truck at curb erect pedestrian protective staging on sidewalk 9:30am to 3:30pm
Valuation:
$0
Permit #:
OCCU-234490
Status:
Closed
Fee:
$118
Permit Type:
N/A
Building Type:
N/A
Temporary bagging of smoke detectors for dust control during renovation work
Valuation:
$0
Permit #:
BSD326828
Status:
Closed
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Selective demolition and renovation of existing lab space including carpentry
Valuation:
$0
Permit #:
FDC326823
Status:
Closed
Fee:
$183
Permit Type:
N/A
Building Type:
N/A
Temporary bagging of smoke detectors for dust control durng construction
Valuation:
$0
Permit #:
BSD364632
Status:
Closed
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Renovation of office space for av department new walls finishes and alterations to hvac
Valuation:
$0
Permit #:
FDC232150
Status:
Closed
Fee:
$188
Permit Type:
N/A
Building Type:
N/A
Interior renovations to include new partitions lighting & finishes
Valuation:
$0
Permit #:
FDC304136
Status:
Closed
Fee:
$169
Permit Type:
N/A
Building Type:
N/A
: temporary bagging of smoke detectors for dust control during construction **work being done @ 36 cummington street
Valuation:
$0
Permit #:
BSD121724
Status:
Closed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior demolish to include new partitions flooring & ceilings
Valuation:
$0
Permit #:
FDC267389
Status:
Closed
Fee:
$213
Permit Type:
N/A
Building Type:
N/A
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J.K. Blackstone Construction, Corp License info
Inactive License
| License # | 149317 |
| Status | Inactive |
| State | Massachusetts |
| Type | Home Improvement Contractor |
- According to the Mass.gov Consumer Affairs and Business Regulation, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for J.K. Blackstone Construction, Corp at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 177122 |
| Status | Inactive |
| State | Massachusetts |
| Type | Home Improvement Contractor |
- According to the Mass.gov Consumer Affairs and Business Regulation, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for J.K. Blackstone Construction, Corp at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are J.K. Blackstone Construction, Corp, click “This is My Business” to update your information.
32
Permits
- Building permit records show that J.K. Blackstone Construction, Corp has worked on 32 permitted projects.
J.K. Blackstone Construction, Corp Employees
PM
Philip B Mclaughlin
Responsible Person
PM
Philip Mclaughlin
Owner