Updated: Jul 15, 2026
Location and Projects
Address
51 CARLTON RD., Westford, MA, 01886
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John A. O Hara Construction
John A. O Hara, 51 Carlton Rd, Westford, MA (Owned by: John O'hara) holds a Electrician license and 5 other licenses 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 John A. O Hara, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
John A. O Hara Services
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John A. O Hara Contact Information
Phone Number: (978) 658-8605
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Address: 51 CARLTON RD., Westford, MA 01886
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This is a sample of this contractor's permits. Click here to access their complete permit history.
10x18 kitchen renovation with removal of 17 load bearing wall
Valuation:
$51,500
Permit #:
R-21-00302
Status:
issued
Fee:
$618
Permit Type:
N/A
Building Type:
Rb proposed use -
No Description Available
Valuation:
$85,000
Permit #:
BP-22-978
Status:
issued
Fee:
$880
Permit Type:
Interior renovation
Building Type:
N/A
No Description Available
Valuation:
$78,000
Permit #:
BP-22-763
Status:
issued
Fee:
$810
Permit Type:
Interior renovation
Building Type:
N/A
No Description Available
Valuation:
$9,000
Permit #:
BP-20-433
Status:
issued
Fee:
$120
Permit Type:
Deck
Building Type:
N/A
No Description Available
Valuation:
$73,000
Permit #:
BP-21-917
Status:
issued
Fee:
$760
Permit Type:
Interior renovation
Building Type:
N/A
No Description Available
Valuation:
$68,000
Permit #:
BP-20-571
Status:
issued
Fee:
$710
Permit Type:
Renovation
Building Type:
N/A
No Description Available
Valuation:
$75,000
Permit #:
BP-19-911
Status:
issued
Fee:
$780
Permit Type:
Renovation
Building Type:
N/A
No Description Available
Valuation:
$20,000
Permit #:
BP-21-1228
Status:
issued
Fee:
$230
Permit Type:
Interior renovation
Building Type:
N/A
No Description Available
Valuation:
$36,000
Permit #:
BP-20-708
Status:
issued
Fee:
$390
Permit Type:
Renovation
Building Type:
N/A
No Description Available
Valuation:
$62,000
Permit #:
BP-19-630
Status:
issued
Fee:
$675
Permit Type:
Renovation
Building Type:
N/A
No Description Available
Valuation:
$20,000
Permit #:
BP-20-382
Status:
issued
Fee:
$230
Permit Type:
Renovation
Building Type:
N/A
No Description Available
Valuation:
$10,000
Permit #:
BP-19-1136
Status:
issued
Fee:
$130
Permit Type:
Renovation
Building Type:
N/A
Kitchen remodel gut existing kitchen to studs and install new cabinets hardwood floors and front door
Valuation:
$60,000
Permit #:
R-20-00476
Status:
issued
Fee:
$720
Permit Type:
N/A
Building Type:
Proposed use -
No Description Available
Valuation:
$68,000
Permit #:
BP-22-617
Status:
issued
Fee:
$710
Permit Type:
Interior renovation
Building Type:
N/A
No Description Available
Valuation:
$200,000
Permit #:
BP-17-167
Status:
issued
Fee:
$1,437
Permit Type:
Renovations
Building Type:
N/A
No Description Available
Valuation:
$12,000
Permit #:
BP-21-290
Status:
issued
Fee:
$150
Permit Type:
Deck
Building Type:
N/A
No Description Available
Valuation:
$85,000
Permit #:
BP-20-262
Status:
issued
Fee:
$905
Permit Type:
Renovation
Building Type:
N/A
No Description Available
Valuation:
$7,500
Permit #:
BP-17-1334
Status:
issued
Fee:
$53
Permit Type:
Additions - open ...
Building Type:
N/A
No Description Available
Valuation:
$26,600
Permit #:
BP-21-195
Status:
issued
Fee:
$300
Permit Type:
Interior renovation
Building Type:
N/A
Remove/ replace deck with larger, replace same size landing
Valuation:
$12,769
Permit #:
B2006-1016
Status:
N/A
Fee:
$190
Permit Type:
N/A
Building Type:
N/A
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Verified License
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John A. O Hara License info
Verified License
| License # | 21104 |
| Status | Active |
| State | Massachusetts |
| Type | Electrician |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for John A. O Hara at the Commonwealth of Massachusetts E-Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 132870 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for John A. O Hara at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 112511 |
| Status | Active |
| City | Newton |
| Type | General Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of John A. O Hara with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 112511 |
| Status | Active |
| City | Newton |
| Type | Electrical Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2021. Check the current license status of John A. O Hara with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 34885 |
| Status | Active |
| State | Massachusetts |
- When BuildZoom last verified this license, it had an expiration date of July, 2016. Check the current license status of John A. O Hara with the Massachusetts Department of Consumer Affairs and Business Regulation
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 000034885 |
| Status | Inactive |
| City | Newton |
| Type | Electrical Contractor |
- According to the City of Newton Massachusetts, 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 John A. O Hara at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
30
Permits
- Building permit records show that John A. O Hara has worked on 30 permitted projects.
John A. O Hara Employees
JO
John A Ohara
Owner
JH
John A. O Hara
JO
John O'hara
Owner
JH
John P O Hara
Responsible Person
JO
John P. O'hara
Owner