Updated: Apr 08, 2026
Location and Projects
Address
9B Patriots Way, Acton, MA, 01719
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William J. Mason Construction
Their BuildZoom score of 0 does not rank in the top 50% of Massachusetts contractors.
If you are thinking of hiring William J. Mason, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
William J. Mason Services
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William J. Mason Contact Information
Phone Number: (978) 952-0050
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Address: 9B Patriots Way, ACTON, MA 01719
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Expand/renovate master bathroom renovate kitchen expand first floor half bathroom
Valuation:
$70,000
Permit #:
SF1165324
Status:
complete
Fee:
$720
Permit Type:
N/A
Building Type:
1-2fam
Install island pendant with a switch; addition recessed can in hallway from existing lights; change counter receptcle; addition arc fault breakers
Valuation:
$2,000
Permit #:
2666
Status:
complete
Fee:
N/A
Permit Type:
More than 10 outlets
Building Type:
Single family
Basementother = steam unit and sewage ejector pump
Valuation:
N/A
Permit #:
3094
Status:
issued
Fee:
N/A
Permit Type:
More than 10 outlets
Building Type:
Single family condo
Replace cable outside only and install 2 ground rods
Valuation:
N/A
Permit #:
3675
Status:
complete
Fee:
N/A
Permit Type:
Meter replacement
Building Type:
Single family
Relocate service mast and meter kitchen remodel with breezeway 3 inspections
Valuation:
$3,000
Permit #:
2449
Status:
complete
Fee:
N/A
Permit Type:
More than 10 outlets
Building Type:
Single family
Wiring formibutishi and attic air handler and dedicated 230v service
Valuation:
$1,800
Permit #:
2523
Status:
complete
Fee:
N/A
Permit Type:
More than 10 outlets
Building Type:
Single family
Work for bryant air handler with condenser and dedicated 230v outlet
Valuation:
$1,535
Permit #:
2934
Status:
complete
Fee:
N/A
Permit Type:
Less than 10 outlets
Building Type:
Single family
Re-connecting service to building (removed for siding)
Valuation:
$200
Permit #:
2919
Status:
complete
Fee:
N/A
Permit Type:
Meter replacement
Building Type:
Single family
Replace electric service and connect new water heater
Valuation:
$2,800
Permit #:
3588
Status:
complete
Fee:
N/A
Permit Type:
Less than 10 outlets
Building Type:
Single family
Added old work recess in kitchen and living room
Valuation:
$1,700
Permit #:
2918
Status:
complete
Fee:
N/A
Permit Type:
Less than 10 outlets
Building Type:
Single family
Meter replacement
Valuation:
$900
Permit #:
2667
Status:
complete
Fee:
N/A
Permit Type:
Meter replacement
Building Type:
Single family
Wiring for minisplits & 230v circuit
Valuation:
$3,546
Permit #:
2432
Status:
complete
Fee:
N/A
Permit Type:
More than 10 outlets
Building Type:
Single family
Wiring to mitsubishi mini splits
Valuation:
$2,900
Permit #:
3586
Status:
complete
Fee:
N/A
Permit Type:
Less than 10 outlets
Building Type:
Single family
Reto-fit bathroom lights
Valuation:
$9,500
Permit #:
E-18-208
Status:
issued
Fee:
N/A
Permit Type:
Lighting Retrofits
Building Type:
Municipal
Septic tank pump alarm
Valuation:
N/A
Permit #:
3577
Status:
complete
Fee:
N/A
Permit Type:
Less than 10 outlets
Building Type:
Single family
Installation of 18 kw solar service
Valuation:
$57,449
Permit #:
E-18-0353
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Connection of interconnect of modular buildings, sub feeders to panels, fire alarm, telephone & data (service by others)
Valuation:
$60,000
Permit #:
E-2015-0286
Status:
issued
Fee:
N/A
Permit Type:
Electrical Non-Re...
Building Type:
School, Educational
Install pool timeclock from existing subpanel above garage. convenience outlet light pool pump underground pipe
Valuation:
N/A
Permit #:
3368
Status:
complete
Fee:
N/A
Permit Type:
Swimming pool
Building Type:
Single family
Wiring for new furnace and outside condenser, new 110v circuit for water heater.
Valuation:
$2,252
Permit #:
E-17-480
Status:
issued
Fee:
$40
Permit Type:
Additions/Renovat...
Building Type:
One or Two Family...
Installed wiring for sewage pump
Valuation:
$625
Permit #:
E-17-00201
Status:
Permit Issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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William J. Mason License info
License Not Verified
| License # | 29279 |
| Status | Active |
| State | Massachusetts |
- When BuildZoom last verified this license, it had an expiration date of July, 2016. Check the current license status of William J. Mason 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 # | 175866 |
| Status | Inactive |
| State | Massachusetts |
| Type | Home Improvement Contractor |
- According to the Mass.gov Consumer Affairs and Business Regulation, 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 J. Mason at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
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50
Permits
- Building permit records show that William J. Mason has worked on 50 permitted projects.
William J. Mason Employees
WM
William J. Mason
WM
William Mason
Owner