Updated: Jul 17, 2026
Location and Projects
Address
64A BLACHLEY RD, Stamford, CT, 06901
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Marcin Wieronski Construction
Marcin Wieronski, 64 A Blachley Rd, Stamford, CT holds a Home Improvement Contractor license according to the Connecticut license board.
Their BuildZoom score of 91 ranks in the top 37% of 12,093 Connecticut licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Marcin Wieronski, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
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Marcin Wieronski Contact Information
Address: 64A BLACHLEY RD, Stamford, CT 06901
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Addition master bathroom and rework bedroom closet; expand existing upstairs bathroom by adding a second level to existing mudroom; kitchen expansion; converting half bathroom to a full bathroom; alterations to living room/dining room; radon mitigation; additional insulation work in basement. *the original pin number was tb-16-1849 7-26-2017 rdm*
Valuation:
$89,335
Permit #:
B-17-1416
Status:
issued
Fee:
$1,218
Permit Type:
Additions - resid...
Building Type:
Single family
1 sty add'n for 2 bedrooms bathrooms**foundation only**
Valuation:
$75,000
Permit #:
BLD-2014-78661
Status:
final
Fee:
$770
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen. need pe on beam design
Valuation:
$25,000
Permit #:
BLD-2017-82410
Status:
final
Fee:
$257
Permit Type:
N/A
Building Type:
N/A
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Marcin Wieronski License info
Verified License
| License # | HIC.0639996 |
| Status | Active |
| State | Connecticut |
| Type | Home Improvement Contractor |
| Date Issued | 04-01-2026 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Marcin Wieronski at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
Marcin Wieronski Employees
MW
Marcin Wieronski