Updated: Jun 16, 2026
Location and Projects
Address
Rochester Hills, MI, 48309
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Ringl Calvin O Electrician
Ringl Calvin O, Rochester Hills, MI (Owned by: Calvin Ringl) holds a Electrical license and 7 other licenses according to the Michigan license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
Their license was verified as active when we last checked. If you are thinking of hiring Ringl Calvin O, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Ringl Calvin O Contact Information
Phone Number: (248) 521-6930
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Removal of chimney chase and installing roof flashing and
Valuation:
N/A
Permit #:
MECH17-0042
Status:
final
Fee:
N/A
Permit Type:
Mechanical
Building Type:
N/A
Tear down chimney chases and install roof flashings and
Valuation:
N/A
Permit #:
MECH16-2735
Status:
final
Fee:
N/A
Permit Type:
Mechanical
Building Type:
N/A
Removal of chimney chase and installing roof flashing and
Valuation:
N/A
Permit #:
MECH17-0042
Status:
final
Fee:
N/A
Permit Type:
Mechanical
Building Type:
N/A
Replace uninsulated bathroom duct with insulated sleeve over
Valuation:
N/A
Permit #:
MECH15-2449
Status:
final
Fee:
N/A
Permit Type:
Mechanical
Building Type:
N/A
Commercial- electrical for low voltage temperature control and interlock wiring only per rp
Valuation:
$0
Permit #:
PE2001-1531
Status:
N/A
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
C - electric - circuit for hvac control for sunrise assisted living pb2000-0174
Valuation:
$0
Permit #:
PE2000-1811
Status:
N/A
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Commercial - low voltage temperature control and interlock wiring only per rp
Valuation:
$0
Permit #:
PE2001-1535
Status:
N/A
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Commercial - low voltage temperature control and interlock wiring only per rp
Valuation:
$0
Permit #:
PE2001-1534
Status:
N/A
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Commercial - low voltage temperature control and interlock wiring only per rp
Valuation:
$0
Permit #:
PE2001-1532
Status:
N/A
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
C-electric for basement storage area - thermostat wiring pb2000-1054
Valuation:
$0
Permit #:
PE2000-1977
Status:
N/A
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
C - electric for temerature control - northpointe capital pb2000-1053
Valuation:
$0
Permit #:
PE2000-1814
Status:
N/A
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
C - electric for temperature control - riggs & co pb2000-1013
Valuation:
$0
Permit #:
PE2000-1813
Status:
N/A
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
R-electric for suite 1200 - thermostat wiring pb2000-1052
Valuation:
$0
Permit #:
PE2000-1979
Status:
N/A
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
C-electric for suite 605 - thermostat wiring pb2000-1121
Valuation:
$0
Permit #:
PE2000-1978
Status:
N/A
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
C - 1 circuit for 4th fl (columbia tower b) pb2000-0110
Valuation:
$0
Permit #:
PE2000-0810
Status:
N/A
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
C - ele circuit for ste 100 (1st floor) pb2000-0334
Valuation:
$0
Permit #:
PE2000-1549
Status:
N/A
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
C - 1 circuit for 8th floor suite 800 pb2000-0184
Valuation:
$0
Permit #:
PE2000-1354
Status:
N/A
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
C - 1 circuit for 9th floor pb2000-0185
Valuation:
$0
Permit #:
PE2000-1356
Status:
N/A
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
C - 1 circuit for 10th floor pb2000-0186
Valuation:
$0
Permit #:
PE2000-1355
Status:
N/A
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Commercial - 1 circuit electrical
Valuation:
$0
Permit #:
PE2000-2316
Status:
N/A
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Ringl Calvin O License info
Verified License
| License # | 6213551 |
| Status | Active |
| State | Michigan |
| Type | Electrical |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Ringl Calvin O at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 6213551 |
| Status | Active |
| State | Michigan |
| Type | Electrical |
- When BuildZoom last verified this license, it had an expiration date of December, 2024. Check the current license status of Ringl Calvin O with the Michigan Department of Licensing & Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 7106876 |
| Status | Inactive |
| State | Michigan |
| Type | Mechanical Contractor |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Ringl Calvin O at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 6210828 |
| Status | Inactive |
| State | Michigan |
| Type | Electrical |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Ringl Calvin O at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 7106876 |
| Status | Inactive |
| State | Michigan |
| Type | Mechanical Contractor |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Ringl Calvin O at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 6210828 |
| Status | Inactive |
| State | Michigan |
| Type | Electrical |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Ringl Calvin O at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIC-150406 |
| Status | Inactive |
| City | Ann Arbor |
| Type | Contractor |
- According to the The City of Ann Arbor, MI, 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 Ringl Calvin O at the The City of Ann Arbor, MI.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CONT-150317 |
| Status | Inactive |
| City | Ann Arbor |
| Type | Contractor |
- According to the The City of Ann Arbor, MI, 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 Ringl Calvin O at the The City of Ann Arbor, MI.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
18
Permits
- Building permit records show that Ringl Calvin O has worked on 18 permitted projects.
Ringl Calvin O Employees
CR
Calvin Ringl
Owner
CR
Calvin O Ringl