Updated: Jun 04, 2026
Location and Projects
Address
357 Commerce Dr. #1141, Fairfield, CT, 06824
Use our bidding system to
request a quote
G. Kosienski Construction LLC
G. Kosienski Construction LLC, 357 Commerce Dr, Fairfield, CT holds a Home Improvement Contractor license according to the Connecticut license board.
Their BuildZoom score of 93 ranks in the top 27% of 12,093 Connecticut licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring G. Kosienski Construction LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
G. Kosienski Construction LLC Services
Start a project today:
G. Kosienski Construction LLC Contact Information
Address: 357 Commerce Dr. #1141, Fairfield, CT 06824
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
G. Kosienski Construction LLC Fairfield
Quality
93
73rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
G. Kosienski Construction LLC has a BuildZoom score of 93, which places them above 73% of 12,093 contractors in Connecticut.
Activity
|
1 project
|
2025 |
|
1 project
|
2023 |
Our building permit records indicate that G. Kosienski Construction LLC has worked on at least
2.0 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
|
$5k-$20k |
|
1 project
|
$20k-$50k |
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 G. Kosienski Construction LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Installing rooftop railed solar photovoltaic 6.02kw and 14 modules. microinverter system. supply side interconnection exterior tap box at utility power meter. no structural upgrades needed per engineer's letter. rack mount spacing not to exceed 48. crs #21306989 released to eversource 07/09/2025. ca issued 07/09/2025
Valuation:
$27,090
Permit #:
E-25-46987
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$13,000
Permit #:
61327
Status:
issued
Fee:
N/A
Permit Type:
Residential alter...
Building Type:
N/A
Renovate dining room. insulate ceiling to r30. remove non-structural wall 6. install 60 x 40 window
Valuation:
$2,600
Permit #:
B-19-1279
Status:
complete
Fee:
$54
Permit Type:
Alterations – res...
Building Type:
Single family
Construct new 7 x 14 front open porch to existing six family tenement. footing s 42 deep. guardrail 42 high with max imum 4 balluster spacing. see plan for details. this permit in addition to bp 07-2297. all other work and mechanical s require additional permits. p santoro bp 06-4046- 6 family. to be used for: s ame - res2ap
Valuation:
$2,500
Permit #:
B-0700002446
Status:
issued
Fee:
$150
Permit Type:
Construct new fro...
Building Type:
N/A
Repair front porch and stair to same; da maged by auto. all other work and mecha nicals require additional permits. p sa ntoro agent states 2 family. to be used for: same - res2ap
Valuation:
$1,000
Permit #:
B-0900003154
Status:
issued
Fee:
$50
Permit Type:
Repair front porc...
Building Type:
N/A
Excavate ro repair gas leak cbyd# 20170401624 wo# 8m720222 3 l 5'w 1.67sy of disturbance
Valuation:
N/A
Permit #:
RO-17-0009
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$3,500
Permit #:
B-11-1634
Status:
issued
Fee:
$75
Permit Type:
Roof permit 1 or ...
Building Type:
Single family
Similar Contractors See more
147
BZ Score
$45K
Avg Project
-
Projects
151
BZ Score
-
Avg Project
-
Projects
140
BZ Score
-
Avg Project
-
Projects
G. Kosienski Construction LLC Reviews
BuildZoom hasn't received any reviews for G. Kosienski Construction LLC. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
G. Kosienski Construction LLC License info
Verified License
| License # | HIC.0626901 |
| Status | Active |
| State | Connecticut |
| Type | Home Improvement Contractor |
| Date Issued | 04-01-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for G. Kosienski Construction LLC at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
7
Permits
- Building permit records show that G. Kosienski Construction LLC has worked on 7 permitted projects.