Updated: Oct 22, 2025
Location and Projects
Address
16 HARDING AVE 2, Waltham, MA, 02453
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William J Langton Construction
William J Langton, 16 Harding Ave, Waltham, MA (Owned by: William Langton) holds a Building Licenses, Construction Supervisor license and 4 other licenses according to the Massachusetts license board.
Their BuildZoom score of 101 ranks in the top 12% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring William J Langton, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
William J Langton Services
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William J Langton Contact Information
Phone Number: (781) 929-7556
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Address: 16 HARDING AVE 2, Waltham, MA 02453
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William J Langton Waltham
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
William J Langton has a BuildZoom score of 101, which places them above 88% of 139,240 contractors in Massachusetts.
Activity
|
1 project
|
2023 |
|
2 projects
|
2022 |
Our building permit records indicate that William J Langton has worked on at least
3.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Pricing
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
William J Langton Reviews
5 out of 5 stars, based on
2
reviews
-
AnonymousDecember 1, 2017Verified Hire
-
AnonymousNovember 17, 2017Verified Hire
Bill has done a lot of work for me in a number of our residences. He is an amazing craftsman, reliable and just all round terrific to work with.
This is a sample of this contractor's permits. Click here to access their complete permit history.
No Description Available
Valuation:
$27,000
Permit #:
BP-22-1746
Status:
issued
Fee:
$189
Permit Type:
Bathroom renovations
Building Type:
N/A
Kitchen remodel
Valuation:
N/A
Permit #:
P202241963
Status:
complete
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$77,000
Permit #:
BP-2023-440
Status:
final
Fee:
$770
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$77,000
Permit #:
BP-2023-440
Status:
issued
Fee:
$770
Permit Type:
Remodel
Building Type:
N/A
Remove existing mullion window and replace with exterior in swing door to access egress stairs and single double hung window. remove existing metal bulkhead doors and replace with dog house with exterior out swinging door
Valuation:
$10,000
Permit #:
R-15-0265
Status:
issued
Fee:
$120
Permit Type:
Alteration(s)
Building Type:
N/A
Remodel second and third floor bathrooms amended permit 7/22/19
Valuation:
N/A
Permit #:
P201941771
Status:
final
Fee:
$630
Permit Type:
N/A
Building Type:
101 single family
Building egress stairway on side of building
Valuation:
N/A
Permit #:
P201740261
Status:
issued
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Second floor bathroom renovations
Valuation:
N/A
Permit #:
P201740817
Status:
final
Fee:
$239
Permit Type:
N/A
Building Type:
101 single family
Installation of structural flooring on 2nd floor installation of wall partitions wiring plumbing and insulation
Valuation:
$40,000
Permit #:
R-14-0052
Status:
canceled
Fee:
$222
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PP-2016-10
Status:
complete
Fee:
$80
Permit Type:
Remodel
Building Type:
N/A
Bathroom remodel
Valuation:
N/A
Permit #:
P201540591
Status:
issued
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
Replace 24 ft. of insect damage sill using pressure treated materials - replace lally column w/new footings in basement; reroof fire escape and sprinkler system
Valuation:
N/A
Permit #:
BP-2014-0205
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
BP-2013-345
Status:
final
Fee:
$70
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
BP-2014-235
Status:
final
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$23,000
Permit #:
BP-21-1371
Status:
issued
Fee:
$161
Permit Type:
Renovations
Building Type:
N/A
Enlarge existing room and addition winow
Valuation:
N/A
Permit #:
59679
Status:
ISSUED
Fee:
$71
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PP-17-340
Status:
issued
Fee:
$37
Permit Type:
Renovation
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PP-17-339
Status:
issued
Fee:
$37
Permit Type:
Renovation
Building Type:
N/A
12'x16 gardenshed attic conversion to playroom bathroom install 5 skylights in attic & one bedroom
Valuation:
$0
Permit #:
BLD0401628
Status:
CLOSED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Air sealing and insulation
Valuation:
N/A
Permit #:
57793
Status:
ISSUED
Fee:
$58
Permit Type:
N/A
Building Type:
N/A
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Projects
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
William J Langton License info
Verified License
| License # | CS-000443 |
| Status | Active |
| State | Massachusetts |
| Type | Building Licenses, Construction Supervisor |
- BuildZoom verified this license was active as of October 2025.
Verify this license's status for William J Langton at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 174190 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
| Date Issued | 01-20-2025 |
- BuildZoom verified this license was active as of September 2025.
Verify this license's status for William J Langton 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 # | 227042 |
| Status | Active |
| City | Newton |
| Type | Residential Builder |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of William J Langton with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 227042 |
| Status | Active |
| City | Newton |
| Type | Building Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of William J Langton with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 101272 |
| 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 Langton at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
19
Permits
- Building permit records show that William J Langton has worked on 19 permitted projects.
William J Langton Employees
WL
William J Langton
Owner
WL
William Langton
Owner
William J. Langton is a superior contractor/carpenter, who specializes in remodeling and cabinetry. He is especially adept at solving challenging issues and fine finished carpentry. He was well worth the price.