Updated: Jun 08, 2026
Location and Projects
Address
350 WALNUT HILL RD, Thomaston, CT, 06778
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Henry M Osowiecki and Sons Plumber
Henry M Osowiecki and Sons, 350 Walnut Hill Rd, Thomaston, CT (Employee: Henry Osowiecki) holds a Plumbing & Piping Limited Contractor license and 4 other licenses 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 Henry M Osowiecki and Sons, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Henry M Osowiecki and Sons Services
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Henry M Osowiecki and Sons Contact Information
Phone Number: (203) 283-9474
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Address: 350 WALNUT HILL RD, Thomaston, CT 06778
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Henry M Osowiecki and Sons Thomaston
Quality
93
73rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Henry M Osowiecki and Sons has a BuildZoom score of 93, which places them above 73% of 12,093 contractors in Connecticut.
Activity
|
1 project
|
2023 |
Our building permit records indicate that Henry M Osowiecki and Sons has worked on at least
1.0 project 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 |
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 Henry M Osowiecki and Sons
This is a sample of this contractor's permits. Click here to access their complete permit history.
Repair damage to front of building to include demolish framing siding door window insulation painting and interior finish
Valuation:
$25,000
Permit #:
22-114B
Status:
complete
Fee:
$277
Permit Type:
Repair (commercial)
Building Type:
N/A
Repair roof and related
Valuation:
$19,445
Permit #:
23-108B
Status:
expired
Fee:
$225
Permit Type:
Roofing (resident...
Building Type:
N/A
Construct concrete oil cooling tower containment tank
Valuation:
$71,000
Permit #:
PR20182031
Status:
issued
Fee:
$1,818
Permit Type:
Industrial renova...
Building Type:
N/A
Exploratory demolition to portion of exi sting rectory. this permit includes cos t of entire job including mechanical el ectrical plumbingbut additional permit s/review required. all mechanicals requ ire additional permits. d o'neill existing rectory. to be used for: same - res2ap
Valuation:
$50,000
Permit #:
B-0600002885
Status:
issued
Fee:
$2,100
Permit Type:
Exploratory demol...
Building Type:
N/A
Renovate existing single family residenc e (rectory) as per plans attached. cons truct new interior stair laundry room bathroom. renovate kitchen. install sm oke detectors and carbon monoxide detect ors as required. cost paid under bp 06 00002885. all mechanicals require addit ional permits. d o'neill rectory. to be used for: same - res2ap
Valuation:
N/A
Permit #:
B-0600002955
Status:
issued
Fee:
N/A
Permit Type:
Renovate existing...
Building Type:
N/A
Install an atm machine thru the wall at drive-thru rear of building
Valuation:
$40,000
Permit #:
19-48B
Status:
complete
Fee:
$430
Permit Type:
Commercial altera...
Building Type:
N/A
Residential house. residential house
Valuation:
N/A
Permit #:
B-15-828
Status:
issued
Fee:
N/A
Permit Type:
Demolition permit
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Henry M Osowiecki and Sons License info
Verified License
| License # | PLM.0207656-P7 |
| Status | Active |
| State | Connecticut |
| Type | Plumbing & Piping Limited Contractor |
| Date Issued | 11-01-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Henry M Osowiecki and Sons at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | MCO.0900261 |
| Status | Active |
| State | Connecticut |
| Type | Mechanical Corporation |
| Date Issued | 07-01-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Henry M Osowiecki and Sons at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | NHC.0002050 |
| Status | Active |
| State | Connecticut |
| Type | New Home Contractor |
| Date Issued | 04-01-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Henry M Osowiecki and Sons at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 7964 |
| Status | Active |
| State | Rhode Island |
| Type | Residential Contractor |
- When BuildZoom last verified this license, it had an expiration date of July, 2022. Check the current license status of Henry M Osowiecki and Sons with the State of Rhode Island Contractors' Registration and Licensing Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | HIC.0502691 |
| Status | Inactive |
| State | Connecticut |
| Type | Home Improvement Contractor |
- According to the Connecticut Department of Consumer Protection, 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 Henry M Osowiecki and Sons at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
6
Permits
- Building permit records show that Henry M Osowiecki and Sons has worked on 6 permitted projects.
Henry M Osowiecki and Sons Employees
HO
Henry M Osowiecki
Owner
HO
Henry Osowiecki