Updated: Jun 02, 2026
Location and Projects
Address
117 Ferry Rd., Natick, MA, 01760
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Janko Construction
Janko, 117 Ferry Rd, Natick, MA (Owned by: Donald M Jansen Jr) holds a Building Licenses, Construction Supervisor license and 6 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 Janko, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Janko Services
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Janko Contact Information
Phone Number: (978) 465-5484
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Address: 117 Ferry Rd., Natick, MA 01760
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Full gut renovation and addition to accommodate new proposed restaurant needs per attached architectural plans
Valuation:
$510,500
Permit #:
C-22-1030
Status:
issued
Fee:
$7,154
Permit Type:
Alteration(s) add...
Building Type:
N/A
Interior demolition of space off of hotel lobby area.; the renovations;shall consist of ramps partitions partial ceiling fixtures and built-ins toilets bars finishes mechanical electrical plumbing for;a new;coffee shop/cafã©;too be known as the boston tradesman coffee lounge; *aka 54-66batterymarch road
Valuation:
$350,000
Permit #:
ALT835714
Status:
filed
Fee:
$4,182
Permit Type:
N/A
Building Type:
Commercial
Building a dog spa-wash station in the existing enclosed garage. building cage type wash station bring hot and cold water supply install pre fab dog wash station install light heater and dryer
Valuation:
$58,750
Permit #:
ALT914383
Status:
filed
Fee:
$702
Permit Type:
N/A
Building Type:
Commercial
197 residence units underground parking amenity spaces certificate for;unit #125-only alter 912322 issued 3/11/19; ; ;
Valuation:
$86,370
Permit #:
COO977903
Status:
complete
Fee:
$265
Permit Type:
N/A
Building Type:
Multi
31 middlesex cir apartment #5 - kitchen alterations
Valuation:
N/A
Permit #:
P201841483
Status:
final
Fee:
$447
Permit Type:
N/A
Building Type:
112 more than 8 u...
Renovate existing kitchen unit 1
Valuation:
N/A
Permit #:
P201940420
Status:
final
Fee:
$440
Permit Type:
N/A
Building Type:
112 more than 8 u...
Renovate 57 apartments in ava back bay building at pru center: 38 units b c f g i j on floors 18-26; 17 h-riser units on floors 3-26 ; 2 penthouse units a and d on 27th floor. install new kitchen cabinets counter-tops back-splashes light fixtures sinks and faucets. replace existing ranges refrigerators dishwashers and hoods. replace existing bathroom vanities and faucets. install new ... see more
Valuation:
$930,000
Permit #:
SF551661
Status:
complete
Fee:
$9,320
Permit Type:
N/A
Building Type:
Commercial
No Description Available
Valuation:
$133,000
Permit #:
BP-18-293
Status:
complete
Fee:
$2,735
Permit Type:
Renovation
Building Type:
N/A
82 middlesex rd #2 - kitchen alterations
Valuation:
N/A
Permit #:
P201841484
Status:
final
Fee:
$450
Permit Type:
N/A
Building Type:
112 more than 8 u...
No Description Available
Valuation:
$99,780
Permit #:
BP-18-97
Status:
complete
Fee:
$2,150
Permit Type:
Renovation
Building Type:
N/A
Installation of new vinyl floor install new cabinetry and paneling over existing bar
Valuation:
$75,000
Permit #:
SF647318
Status:
filed
Fee:
$770
Permit Type:
N/A
Building Type:
Commercial
No Description Available
Valuation:
$49,000
Permit #:
BP-18-292
Status:
complete
Fee:
$1,055
Permit Type:
Renovation
Building Type:
N/A
No Description Available
Valuation:
$30,000
Permit #:
BP-2019-0735
Status:
final
Fee:
$495
Permit Type:
N/A
Building Type:
N/A
Bathroom remodel. replace tub, vanity, toilet, tile. no relocation of fixtures.
Valuation:
$10,235
Permit #:
B-15-38
Status:
issued
Fee:
$120
Permit Type:
Alteration/Remodel
Building Type:
One or Two Family...
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Janko Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Janko License info
Verified License
| License # | CS-109106 |
| Status | Active |
| State | Massachusetts |
| Type | Building Licenses, Construction Supervisor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Janko at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 106747 |
| Status | Active |
| City | Newton |
| Type | Electrical Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of Janko with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 12751 |
| 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 Janko with the Massachusetts Department of Consumer Affairs and Business Regulation
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | MA2665P |
| Status | Active |
| State | Massachusetts |
| Type | Pipefitter - Master License |
- BuildZoom has not verified this license since January, 2010.
Verify this license's status for Janko at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 6072 |
| Status | Inactive |
| State | Massachusetts |
| Type | Electrical Business |
- According to the Commonwealth of Massachusetts E-Licensing Board, 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 Janko at the Commonwealth of Massachusetts E-Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 000031121 |
| 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 Janko at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 103540 |
| 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 Janko at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
10
Permits
- Building permit records show that Janko has worked on 10 permitted projects.
Janko Employees
DJ
Donald Jansen
Owner
DJ
Donald M Jansen
Owner
DJ
Donald M Jansen Jr
Owner
DJ
Donald M. Jansen Jr.
Owner
DJ
Donald M. Jansenjr.
Owner