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Location and Projects

Address
910 Boston Post Road East STE 310, Marlborough, MA, 01752
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Keystone Construction Co Inc

Keystone Construction Co Inc, 910 Boston Post Rd E, Marlborough, MA (Owned by: Thomas Linstrom) holds a Home Improvement Contractor license and 1 other license according to the Massachusetts license board.

Their BuildZoom score of 99 ranks in the top 15% of 139,240 Massachusetts licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring Keystone Construction Co Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.

Keystone Construction Co Inc Services

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Keystone Construction Co Inc Contact Information

Phone: (978) 640-9874 Edit
Address: 910 Boston Post Road East STE 310, Marlborough, MA 01752 Edit

Keystone Construction Co Inc Marlborough

Quality

99
85th percentile
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
Keystone Construction Co Inc has a BuildZoom score of 99, which places them above 85% of 139,240 contractors in Massachusetts.

Activity

1 project
2025
1 project
2024
Our building permit records indicate that Keystone Construction Co Inc has worked on at least 2.0 projects over the past 2 years.

This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.

Pricing

1 project
$5k-$20k
1 project
$20k-$50k
Value Not Public: 0 projects
Pro tip: For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.

Building Permits by Keystone Construction Co Inc

Sort by: Notable Notable | Date Date | Job Value Job Value
Commercial change occ
2025-04-03
61 a tripp street installation of new ingress/egress doors and handrails to satisfy code for the change of use tenant (church group)
Valuation:
$6,500
Permit #:
BLD250837
Status:
issued
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Commercial roofing
2024-10-01
Repair approximately 15'x15 feet of flat roof that collapsed in late june.area of roof damage is in the middle of building. see attached plans
Valuation:
$25,000
Permit #:
BLD242658
Status:
complete
Fee:
$375
Permit Type:
N/A
Building Type:
N/A
Inerior renovations including removal of mezzanine to allow expansion of existing machine shop. construction of new qc room. fire alarm and sprinkler systems will be modified as required
Valuation:
$291,000
Permit #:
BP-2023-0586
Status:
issued
Fee:
$3,070
Permit Type:
Alteration
Building Type:
N/A
Building permit
2015-02-18
Alterations for a change of use - office to assembly (lazer zone)fire alarm received 2/19/2015
Valuation:
$300,000
Permit #:
210061
Status:
complete
Fee:
N/A
Permit Type:
Alteration renova...
Building Type:
N/A
Long form/alteration permit
2013-07-16
Proposed work: change occupancy to include criterion chlid enrechment and renovate as per plans ( i 2-e use) last action: ready to issue
Valuation:
N/A
Permit #:
ALT8852
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
Commercial
Construct 40'x75 pre-engineered building for use as car wash and storage
Valuation:
$266,000
Permit #:
C-15-0085
Status:
complete
Fee:
$2,700
Permit Type:
Accessorybldg
Building Type:
N/A
: cutting & welding for modification of carbon steel stainless steel pipe & pipe systems in order to support p & g's new boiler installation *** bfd paid detail required
Valuation:
$0
Permit #:
CBW62591
Status:
Closed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
: welding for boiler repair on floors basement thru the tenth at 165 kneeland street *** bfd paid detail required
Valuation:
$0
Permit #:
CBW30632
Status:
Closed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Bfdcutburn
2010-01-14
: burning welding & grinding for maintenance repair to include basement & roof *** bfd paid detail required
Valuation:
$0
Permit #:
CBW10759
Status:
Closed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building
2013-08-27
No Description Available
Valuation:
N/A
Permit #:
BP-2013-387
Status:
final
Fee:
$14,840
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
BP-2015-79
Status:
final
Fee:
$200
Permit Type:
N/A
Building Type:
N/A
: cutting & welding for maintenance tasks for satellite chiller plant *** bfd paid detail required
Valuation:
$0
Permit #:
CBW35222
Status:
Closed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building Permit
2017-07-28
Replace sewer line
Valuation:
N/A
Permit #:
P20170515
Status:
issued
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Building permit
2007-06-20
Remodel 1st and 2nd floor - 3 family
Valuation:
$60,000
Permit #:
108823
Status:
complete
Fee:
N/A
Permit Type:
Altertation
Building Type:
N/A
Building Permit
2010-07-07
Construct master bedroom, bath and enclosed porch to living space
Valuation:
$225,000
Permit #:
4511
Status:
N/A
Fee:
$2,250
Permit Type:
N/A
Building Type:
N/A
Bfdcutburn
2010-07-22
: miscellaneous welding for repair service to boiler *** bfd paid detail required
Valuation:
$0
Permit #:
CBW34449
Status:
Closed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building Permit
2010-12-03
Single family house
Valuation:
$430,000
Permit #:
4625
Status:
N/A
Fee:
$4,300
Permit Type:
N/A
Building Type:
N/A
Historical mechanical permit
2016-01-08
No Description Available
Valuation:
N/A
Permit #:
HMP-1938
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Int. remodel/alter for retail tenant fit up
Valuation:
N/A
Permit #:
BP-2004-0013
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Historical mechanical permit
2016-01-08
No Description Available
Valuation:
N/A
Permit #:
HMP-2648
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A

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