Updated: Mar 16, 2026
Location and Projects
Address
95 Stow Rd, Marlborough, MA, 01752
Use our bidding system to
request a quote
Mainsail Construction
Mainsail Construction, 95 Stow Rd, Marlborough, MA holds a Home Improvement Contractor license according to the Massachusetts license board.
Their BuildZoom score of 92 ranks in the top 32% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mainsail Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mainsail Construction Services
Start a project today:
Custom Home Build
New Home Construction
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Other Residential Remodel
Hardwood Flooring
Carpets
Laminate Flooring
Other Flooring
Siding
Stucco and Exterior Plastering
Other Exteriors
Doors and Windows
Framing
Wood Fences
Other Carpentry
Backsplash and Countertops
Stonework
Tile Flooring
Other Stone and Tile
Water Damage Restoration
Fire Damage Restoration
Other Restoration
Garage Construction
Overhead Doors
Seismic Retrofit
Elevator Installation
Sheds and Outhouses
Interior Design
Other
Gutters and Flashing
Cabinets
Mainsail Construction Contact Information
Phone Number: (508) 680-4001
Address: 95 Stow Rd, Marlborough, MA 01752
Mainsail Construction Reviews
5 out of 5 stars, based on
1
review
-
By Mark D.November 2, 2025Install a Hide-A-Door
Building Permits by Mainsail Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Bfdventfir: general permit for install of 3 ventless natural gas fireplaces
Valuation:
$0
Permit #:
GP283454
Status:
Closed
Fee:
$38
Permit Type:
N/A
Building Type:
N/A
Bfdventfir: general permit for install of 3 ventless natural gas fireplaces
Valuation:
$0
Permit #:
GP283458
Status:
Closed
Fee:
$38
Permit Type:
N/A
Building Type:
N/A
Temporary placement of (1) dumpster for debris removal from construction renovation work
Valuation:
$0
Permit #:
TD200253
Status:
Closed
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
Interior renovation to include minor demolition and re-construction of 2- apartments
Valuation:
$0
Permit #:
FDC200251
Status:
Closed
Fee:
$211
Permit Type:
N/A
Building Type:
N/A
Street
Valuation:
$0
Permit #:
OCCU-152879
Status:
Closed
Fee:
$92
Permit Type:
N/A
Building Type:
N/A
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Mainsail Construction License info
Verified License
| License # | 203059 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
| Date Issued | 09-09-2025 |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Mainsail Construction at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
10/10 — If I Could Give More Than 5 Stars, I Would!
I wanted to take a moment to provide the most favorable review possible for Mainsail Construction of Marlborough, MA. From start to finish, Kevin Kelly and his crew were absolutely top-notch.
They recently installed a Hide-A-Dorr at my home in Upton, and I can honestly say the experience exceeded every expectation. Their craftsmanship was outstanding, and the care they took while working in my home was exceptional. They arrived right on time, completed the job exactly when they said they would, and left the workspace spotless. You’d never even know they had been there.
What truly stood out, beyond the skill and precision of their work, was their professionalism. Every interaction reflected integrity, courtesy, and pride in their craft. It’s rare these days to find a team so clean, careful, and conscientious, and it made the whole experience an absolute pleasure.
I would highly recommend Mainsail Construction without hesitation and will absolutely have them back for future projects. Reviews help people understand a company’s true character, and in this case, Mainsail’s ability, attitude, and attention to detail are second to none.
If I could give them 10 stars, I would.
Kevin and Scott, we thank you from the bottom of our hearts for a job beautifully done!
— Mark Donnelly, Upton, MA