Updated: May 27, 2026
Location and Projects
Address
26 Oak St., Boston, MA, 02136
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J Mansfield Builders Construction
J Mansfield Builders at 26 Oak St., Boston, MA 02136, held a General Contractor license (#167467) with the Massachusetts contractors license board with an expiration date of 09-22-2012. We last verified the license was expired on 04-04-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 139,240 Massachusetts contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
J Mansfield Builders Services
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J Mansfield Builders Contact Information
Phone Number: (617) 785-1622
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Address: 26 Oak St., Boston, MA 02136
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Remodel of 2 existing bathrooms and one kitchen. no structural changes. revision rec'd 2/9/22 to: structural work designed by pe. changed openings lvl's in various locations on plan. 2/28 approved
Valuation:
$75,000
Permit #:
REP-21-10180
Status:
complete
Fee:
$650
Permit Type:
N/A
Building Type:
N/A
Renovate 3rd floor 2 water closets 3 lavatories 2 bathtubs shower stall
Valuation:
$5,000
Permit #:
PP-2008-0996
Status:
complete
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Kitchen and bathroom remodel replace existing trim and interior doors as per plans
Valuation:
$100,000
Permit #:
ALT271130
Status:
filed
Fee:
$1,056
Permit Type:
N/A
Building Type:
1-4fam
Remodel kitchen and (2) baths
Valuation:
N/A
Permit #:
R-13-0831
Status:
final
Fee:
$504
Permit Type:
N/A
Building Type:
N/A
Demolition of kitchen and bathrooms.all locations to remain the same
Valuation:
$8,000
Permit #:
SF274072
Status:
filed
Fee:
$100
Permit Type:
N/A
Building Type:
Multi
To correct violation #v92940 - repair front stairs and repair loading dock area. ;cntr w be sub. w/g3 lic
Valuation:
$2,000
Permit #:
SF74115
Status:
filed
Fee:
$40
Permit Type:
N/A
Building Type:
Commercial
Demolish existing home and building a new single family home
Valuation:
N/A
Permit #:
R-09-0589
Status:
final
Fee:
$4,224
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel full bathroom remodel half bathroom remodel
Valuation:
$25,000
Permit #:
R-17-0820
Status:
final
Fee:
$216
Permit Type:
Repair
Building Type:
N/A
Kitchen remodel full bathroom remodel half bathroom remodel
Valuation:
$25,000
Permit #:
R-17-0820
Status:
final
Fee:
$216
Permit Type:
Repair
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
060112
Status:
complete
Fee:
$10
Permit Type:
B gas
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
060083
Status:
complete
Fee:
$15
Permit Type:
B plumbing
Building Type:
N/A
Remodel kitchen and (2) baths
Valuation:
N/A
Permit #:
R-13-0831
Status:
final
Fee:
$504
Permit Type:
N/A
Building Type:
N/A
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J Mansfield Builders License info
Inactive License
| License # | 167467 |
| 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 J Mansfield Builders at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 174334 |
| 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 J Mansfield Builders at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 148886 |
| 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 J Mansfield Builders at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CS-091822 |
| Status | Inactive |
| State | Massachusetts |
| Type | Building Licenses, Construction Supervisor |
- According to the Massachusetts Department of Public Safety, 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 J Mansfield Builders at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
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BuildZoom Score
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- *No active license on file. If you are J Mansfield Builders, click “This is My Business” to update your information.
8
Permits
- Building permit records show that J Mansfield Builders has worked on 8 permitted projects.
J Mansfield Builders Employees
JM
John A Masfield
Responsible Person
JM
John Mansfield
Owner
JM
John Masfield
Owner