Updated: Jun 30, 2026
Location and Projects
Address
89 HELENA ROAD, Marshfield, MA, 02050
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William Trainor Electrician
William Trainor, 89 Helena Rd, Marshfield, MA (Employee: William F. Trainor) holds a Electrician license and 3 other licenses 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 William Trainor, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
William Trainor Contact Information
Phone Number: (617) 733-4799
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Address: 89 HELENA ROAD, Marshfield, MA 02050
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Install new main panel and replace exterior components. addition two new circuits in kitchen. replace and rewire disposal and dishwasher. install two ceiling fans. install three new exterior recptacles
Valuation:
N/A
Permit #:
E-19-0858
Status:
filed
Fee:
$90
Permit Type:
N/A
Building Type:
Residential
Service upgrade from 100amp to 200amp with landlord panel. also rewire first floor apartment. and cellar.with smoke and co detectors as required
Valuation:
$10,000
Permit #:
16118
Status:
complete
Fee:
N/A
Permit Type:
Electrical
Building Type:
Two family
Rewire kitchen,bathroom,master bedroom,new furnace and central a.c. unit add circuit at new laundry location.
Valuation:
N/A
Permit #:
E-18-0672
Status:
filed
Fee:
$75
Permit Type:
N/A
Building Type:
Residential
Wiring for addition/remodel
Valuation:
$2,000
Permit #:
E-20-446
Status:
issued
Fee:
$90
Permit Type:
Addition/remodel
Building Type:
One or two family...
Upgrade existing 100 ampere service to 200 amperes
Valuation:
$2,500
Permit #:
E-18-164
Status:
issued
Fee:
$40
Permit Type:
Service or Temp S...
Building Type:
One or Two Family...
Adding a panel and meter and 4 receptacles
Valuation:
$2,000
Permit #:
19233
Status:
complete
Fee:
N/A
Permit Type:
Electrical
Building Type:
Two family
No Description Available
Valuation:
N/A
Permit #:
E-19-858
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
E-18-665
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
This is a duplex (31 and 33 bishop road). the work is only being performed at 33 bishop however the address was not found because it was recently split from single family ownership to dual ownership. caitlin trainor now owns 33 bishop which is where the work is being performed. work description: rewire entire unit (33 bishop) and panel change
Valuation:
$2,500
Permit #:
8268
Status:
complete
Fee:
N/A
Permit Type:
Electrical
Building Type:
Condo
Change main panel and wire three season room
Valuation:
$2,500
Permit #:
E-17-589
Status:
issued
Fee:
$75
Permit Type:
Addition/remodel
Building Type:
One or two family...
Disconnect feed to garage from house panel
Valuation:
N/A
Permit #:
E-17-0016
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Service upgrade
Valuation:
N/A
Permit #:
E-16-0673
Status:
issued
Fee:
$40
Permit Type:
N/A
Building Type:
Residential
Upgrade service from 100amps to 200amps and provide wiring for hot tub ua# 2226122
Valuation:
$2,500
Permit #:
17070530
Status:
complete
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
Wire new centarl air conditioning unit & addition one outside recpt-back of house
Valuation:
$1,200
Permit #:
E-13-0381
Status:
final
Fee:
$70
Permit Type:
N/A
Building Type:
N/A
Entry way and front living room wall
Valuation:
N/A
Permit #:
E-14-0024
Status:
filed
Fee:
$75
Permit Type:
N/A
Building Type:
Residential
Service upgrade and hot tub
Valuation:
N/A
Permit #:
E-20-0001
Status:
complete
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Rewire 2nd floor bathroom
Valuation:
$1,000
Permit #:
E-18-654
Status:
complete
Fee:
$75
Permit Type:
Addition/Remodel
Building Type:
One or Two Family...
Rewire 2nd fl bathroom & 1st fl mudroom
Valuation:
$500
Permit #:
E-12-0399
Status:
final
Fee:
$35
Permit Type:
N/A
Building Type:
N/A
Rewire kitchen
Valuation:
N/A
Permit #:
E-14-0782
Status:
filed
Fee:
$75
Permit Type:
N/A
Building Type:
Residential
No Description Available
Valuation:
N/A
Permit #:
E-18-665
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
William Trainor License info
Verified License
| License # | 9488 |
| Status | Active |
| State | Massachusetts |
| Type | Electrician |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for William Trainor at the Commonwealth of Massachusetts E-Licensing Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 9488 |
| Status | Active |
| State | Massachusetts |
| Type | Master Electrician |
- When BuildZoom last verified this license, it had an expiration date of July, 2016. Check the current license status of William Trainor 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 # | 9488 |
| 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 William Trainor at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 9488 |
| 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 William Trainor at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
18
Permits
- Building permit records show that William Trainor has worked on 18 permitted projects.
William Trainor Employees
WT
William F. Trainor