Updated: Dec 21, 2025
Location and Projects
Address
2844 S 70TH ST, Milwaukee, WI, 53201
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Kosmatka, James J Construction
Kosmatka, James J, 2844 S 70th St, Milwaukee, WI (Employee: Kosmatka James) holds a Cross Connection Control Tester license and 13 other licenses according to the Wisconsin license board.
Their BuildZoom score of 93 ranks in the top 27% of 94,017 Wisconsin licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Kosmatka, James J, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Kosmatka, James J Services
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Kosmatka, James J Contact Information
Address: 2844 S 70TH ST, Milwaukee, WI 53201
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Single-family addition
Valuation:
N/A
Permit #:
RES-ADD-22-00063
Status:
issued
Fee:
$542
Permit Type:
N/A
Building Type:
N/A
Residential deck alteration
Valuation:
$1,400
Permit #:
RES-ALT-20-00152
Status:
complete
Fee:
$101
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
P15421
Status:
issued
Fee:
$50
Permit Type:
07el
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
P15357
Status:
issued
Fee:
$100
Permit Type:
06hvac
Building Type:
N/A
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Verified License
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Kosmatka, James J License info
Verified License
| License # | 71272-CCCT |
| Status | Active |
| State | Wisconsin |
| Type | Cross Connection Control Tester |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Kosmatka, James J at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 71272 - CBI |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Commercial Building Inspector |
- BuildZoom has not verified this license since August, 2025.
Verify this license's status for Kosmatka, James J at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 051600012 - UDC |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Udc Construction Inspector |
- BuildZoom has not verified this license since August, 2025.
Verify this license's status for Kosmatka, James J at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 069601647 - UDC |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Udc Plumbing Inspector, Non Visiting |
- BuildZoom has not verified this license since August, 2025.
Verify this license's status for Kosmatka, James J at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 71272 - PM |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Plumber, Non Visiting |
- BuildZoom has not verified this license since August, 2025.
Verify this license's status for Kosmatka, James J at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 71272 - CPI |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Commercial Plumbing Inspector, Non Visiting |
- BuildZoom has not verified this license since August, 2025.
Verify this license's status for Kosmatka, James J at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 71272 |
| Status | Active |
| State | Wisconsin |
| Type | Automatic Fire Sprinkler System Tester |
- When BuildZoom last verified this license, it had an expiration date of November, 2024. Check the current license status of Kosmatka, James J with the Wisconsin Department of Safety and Professional Services
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 71272 |
| Status | Active |
| State | Wisconsin |
| Type | Commercial Building Inspector |
- BuildZoom has not verified this license since April, 2024.
Verify this license's status for Kosmatka, James J at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 71272 |
| Status | Active |
| State | Wisconsin |
| Type | Commercial Plumbing Inspector |
- When BuildZoom last verified this license, it had an expiration date of June, 2024. Check the current license status of Kosmatka, James J with the Wisconsin Department of Safety and Professional Services
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 71272 |
| Status | Active |
| State | Wisconsin |
| Type | Powts Inspector |
- BuildZoom has not verified this license since April, 2024.
Verify this license's status for Kosmatka, James J at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 71272 |
| Status | Active |
| State | Wisconsin |
| Type | Udc Construction Inspector |
- When BuildZoom last verified this license, it had an expiration date of June, 2019. Check the current license status of Kosmatka, James J with the Wisconsin Department of Safety and Professional Services
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 71272 |
| Status | Active |
| State | Wisconsin |
| Type | Udc Hvac Inspector |
- When BuildZoom last verified this license, it had an expiration date of June, 2019. Check the current license status of Kosmatka, James J with the Wisconsin Department of Safety and Professional Services
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 71272 |
| Status | Active |
| State | Wisconsin |
| Type | Udc Plumbing Inspector |
- When BuildZoom last verified this license, it had an expiration date of June, 2021. Check the current license status of Kosmatka, James J with the Wisconsin Department of Safety and Professional Services
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 71272 |
| Status | Inactive |
| State | Wisconsin |
| Type | Plumber |
- According to the Wisconsin Department of Safety and Professional Services, 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 Kosmatka, James J at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Kosmatka, James J Employees
KJ
Kosmatka James