Updated: Mar 23, 2026
Location and Projects
Address
78 WINTHROP AVE, Quincy, MA, 02170
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G Oconnell Construction
G Oconnell Construction, 78 Winthrop Ave, Quincy, MA (Owned by: Gerald Oconnell) holds a Home Improvement Contractor license according to the Massachusetts license board.
Their BuildZoom score of 91 ranks in the top 37% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring G Oconnell Construction, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
G Oconnell Construction Services
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G Oconnell Construction Contact Information
Phone Number: (617) 347-0943
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Address: 78 WINTHROP AVE, Quincy, MA 02170
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Building Permits by G Oconnell Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Building 14x14 shed dormer. layover single layer roof 12 squares
Valuation:
$26,500
Permit #:
R-15-0331
Status:
final
Fee:
$276
Permit Type:
Repair alteration
Building Type:
N/A
Rebuild 20x24 two car garage with 8x16 side addition for pool equipment
Valuation:
$49,000
Permit #:
17796
Status:
active
Fee:
$588
Permit Type:
Rehab - residential
Building Type:
Single family - o...
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Verified License
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G Oconnell Construction License info
Verified License
| License # | 146224 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for G Oconnell Construction at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
G Oconnell Construction Employees
GO
Gerald M Oconnell
Responsible Person
GO
Gerald Oconnell
Owner