Updated: May 04, 2026
Location and Projects
Address
26 Nathan Walker RD, Harwich, MA, 02645
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Mj London Construction
Mj London Construction, 26 Nathan Walker Rd, Harwich, MA (Owned by: Timothy Adams) holds a Home Improvement Contractor license and 4 other licenses according to the Massachusetts license board.
Their BuildZoom score of 96 ranks in the top 20% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mj London Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mj London Construction Services
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Mj London Construction Contact Information
Phone Number: (508) 284-3503
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Address: 26 Nathan Walker RD, Harwich, MA 02645
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Mj London Construction Harwich
Quality
96
80th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Mj London Construction has a BuildZoom score of 96, which places them above 80% of 139,240 contractors in Massachusetts.
Activity
|
2 projects
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that Mj London Construction has worked on at least
5.0 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.
Experience
|
3 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Mj London Construction mostly works on
home addition
projects.
Pricing
|
1 project
|
$100k-$250k |
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.
Building Permits by Mj London Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Remodel second story expand master bedroom addition two story addition to south east corner of home for closet and bathroom
Valuation:
$200,000
Permit #:
BLDR-017025-2022
Status:
complete
Fee:
$486
Permit Type:
N/A
Building Type:
N/A
Addition 6 by 16 addition off back of home on first floor on second floor close off bedroom door and addition access from existing bedroom to create walk in closet and remove bedroom status
Valuation:
N/A
Permit #:
BP-23-556
Status:
suspended
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove and replace gable 6/12 roof structure over existing 170sf deck - replace sonotubes w/big feet supports replace deck surface existing open area deck new roof structure only -as per plan and design specifications prepared by m. london building submitted 09/08/2021 as is existing uncondition space to remain non habitable
Valuation:
$12,000
Permit #:
BLD-22-000406
Status:
issued
Fee:
$267
Permit Type:
N/A
Building Type:
N/A
Remove and replace gable 6/12 roof structure over existing 170sf deck - replace sonotubes w/big feet supports replace deck surface existing open area deck new roof structure only -as per plan and design specifications prepared by m. london building submitted 09/08/2021 as is existing uncondition space to remain non habitable
Valuation:
$12,000
Permit #:
BLD-22-000406
Status:
issued
Fee:
$267
Permit Type:
N/A
Building Type:
N/A
Construct new addition to; interior demolition and remodelof existing sf dwelling in accordance plans a-1, a-2, a-3, a-4, a-5, a-6 e-1 cs1.0 & cs1.1 by thomas a. moore design co and mc kenzi engineering consultants dated 9/6/2018: site plan by demarest land surveying dated 1/9/19
Valuation:
$350,000
Permit #:
BLD-20-000366
Status:
issued
Fee:
$1,235
Permit Type:
N/A
Building Type:
N/A
Interior alterations to addition powder room into existing space as per plan and design specification prepared by m. london construction
Valuation:
$8,000
Permit #:
BLD-23-000553
Status:
issued
Fee:
$130
Permit Type:
N/A
Building Type:
N/A
Renovate kitchen area on first floor. cosmetic changes to walls and ceiling in game room and bedroom in basement (with new egress window in bedroom). need beam size and engineering stamp before frame inspection
Valuation:
$40,000
Permit #:
BLD-19-001024
Status:
complete
Fee:
$290
Permit Type:
N/A
Building Type:
N/A
Addition mudroom\ bathroom off side of home remodel existing kitchen
Valuation:
N/A
Permit #:
BP-24-820
Status:
suspended
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New 3 bed single family dwelling
Valuation:
$290,000
Permit #:
R-18-0019
Status:
issued
Fee:
$2,900
Permit Type:
N/A
Building Type:
N/A
Tear down existing home building new
Valuation:
N/A
Permit #:
BP-24-679
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Roofing
Valuation:
$5,000
Permit #:
BP-23-146
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construct a 315 square foot addition and perform interior kitchen renovation. all work must conform to the submitted building permit documents including the construction drawings by thomas a. moore design company labeled project number 2014-518 comprised of eight pages dated september 30 2015 and the septic design plan by stephen a. haas labeled job number 13-072 dated september 30 2013
Valuation:
$185,000
Permit #:
BLD-16-000579
Status:
issued
Fee:
$447
Permit Type:
N/A
Building Type:
N/A
Construct a 200 +/- square foot addition and reconstruct an existing 225 square foot deck to current building code specifications. all work must be in accordance with the provided submittal documents including the cross section plan and floor plan comprised of two separate pages and the septic design plan by stephen a. haas labeled job number 09-102 dated october 11 2013
Valuation:
$50,000
Permit #:
BLD-16-000580
Status:
issued
Fee:
$303
Permit Type:
N/A
Building Type:
N/A
Close in existing porch to addition mudroom proposed deck shown on plans approx 448 sq ft work to be done per plans submitted by thomas a. moore design pages 1 thru 3 dtd 2.22.2017 project # 2016-254
Valuation:
$20,000
Permit #:
BLD-17-001241
Status:
issued
Fee:
$302
Permit Type:
N/A
Building Type:
N/A
Addition two sliding doors and building porch off back of home. new flooring inside home. relocate washer and dryer. per plans submitted by thomas moore design co pages 1 thru 5 dtd 1.25.2017
Valuation:
$40,000
Permit #:
BLD-18-000288
Status:
complete
Fee:
$282
Permit Type:
N/A
Building Type:
N/A
Construct new two story single family dwelling per the provided submittal documents along with the plans by thomas a. moore design co labeled project #2015-113 dated april 29 2015 and the site plan by stephen a. haas labeled job # 14-092 and dated february 12 2015
Valuation:
$150,000
Permit #:
BLD-15-000601
Status:
complete
Fee:
$926
Permit Type:
N/A
Building Type:
N/A
Alterations per approved plan 780 cmr msbc 9th edition - convert garage to living room-open wall from kitchen to new living space (508-284-3503)
Valuation:
$29,500
Permit #:
BLD-22-000114
Status:
issued
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
Alterations per approved plan 780 cmr msbc 9th edition - remove existing wall-replace with lvl beam (508-284-3503)
Valuation:
$7,500
Permit #:
BLD-19-000060
Status:
complete
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
Enlarge bathroom by moving toilet wall back 14 into bedroom and remodel entire bathroom. all work is to be performed according to the submittal documents including a one page plan by applicant and all state and local codes and ordinances
Valuation:
$12,000
Permit #:
BLD-17-001333
Status:
complete
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
Enlarge bathroom by moving toilet wall back 14 into bedroom and remodel entire bathroom. all work is to be performed according to the submittal documents including a one page plan by applicant and all state and local codes and ordinances
Valuation:
$12,000
Permit #:
BLD-17-001333
Status:
complete
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
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Mj London Construction Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Mj London Construction License info
Verified License
| License # | 177949 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Mj London Construction 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 # | 228856 |
| 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 Mj London Construction with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 228856 |
| 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 Mj London Construction with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CS-087537 |
| 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 Mj London Construction at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 159999 |
| 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 Mj London Construction at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
27
Permits
- Building permit records show that Mj London Construction has worked on 27 permitted projects.
Mj London Construction Employees
ML
Michael London
Owner
TA
Timothy Adams
Owner