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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

For more than two decades, Keystone Construction Co Inc has provided construction services from its base in Marlborough, Massachusetts. The company’s project experience includes both residential and commercial work, as reflected by its permit history in the state. Serving clients throughout Marlborough and the surrounding region, Keystone Construction Co Inc manages a range of building and renovation projects. With 22 years in operation, the company is familiar with local building codes and industry standards. Keystone Construction Co Inc’s longevity in the field demonstrates experience in overseeing construction projects from initial planning through completion.

Keystone Construction Co Inc Services

Start a project today:
Kitchen Remodel Bathroom Remodel Basement Remodel Whole Home Remodel Addition

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
How is the BuildZoom score calculated?
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

This is a sample of this contractor's permits. Click here to access their complete permit history.

Commercial change occ
61 Tripp St, Framingham, MA, 1702
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
35 Tripp St, Framingham, MA, 1702
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
Commercial
470 Constitution Dr, Taunton, MA, 2780
2022-10-21
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
705 Plantation St, Worcester, MA, 1605
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
1780 Centre St, West Roxbury, MA, 2132
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
Commercial
7 Plymouth Dr, Easton, Ma 02356, MA, 02356
2015-02-13
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
Bfdcutburn
1 Gillette Park, South Boston, MA, 2127
2011-02-10
: 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
Bfdcutburn
153-173 Kneeland St, Boston, MA, 2111
2010-07-07
: 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
474 Brookline Ave, Boston, MA, 2215
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
72 Love Ln, Weston, MA, 2493
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
Building
690 Wellesley St, Weston, MA, 2493
2015-03-26
No Description Available
Valuation:
N/A
Permit #:
BP-2015-79
Status:
final
Fee:
$200
Permit Type:
N/A
Building Type:
N/A
Bfdcutburn
77 Ave Louis Pasteur, Boston, MA, 2115
2010-07-26
: 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
46 Claremont St, Waltham, MA, 2451
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
21 Beeching St, Worcester, MA, 1602
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
109 Old Sudbury Rd, Lincoln, MA, 1773
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
19 Scotia St, Boston, MA, 2115
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
125 S Great Rd, Lincoln, MA, 1773
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
91 Main St, Marlborough, MA, 1752
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
Building
101 Middlesex Tpke, Burlington, MA, 1803
2004-01-23
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
91 Main St, Marlborough, MA, 1752
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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