Updated: Feb 10, 2026
Location and Projects
Address
Grosse Pointe, MI, 48230
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Cox, John J HVAC/Mechanical Contractor
Cox, John J, Grosse Pointe, MI (Employees: Cox, Michael J and Matthew Cox) holds a Mechanical Contractor license and 6 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 Cox, John J, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Cox, John J Contact Information
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Alter interior fire repair
Valuation:
N/A
Permit #:
PE-2018-0274
Status:
issued
Fee:
$114
Permit Type:
Electrical
Building Type:
N/A
Replace furnace & air conditioning
Valuation:
N/A
Permit #:
PMEC2018-02270
Status:
issued
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Repair fire damage mrc 2015
Valuation:
N/A
Permit #:
PE-2018-0071
Status:
issued
Fee:
$122
Permit Type:
Electrical
Building Type:
N/A
Repair fire damage mrc 2015
Valuation:
N/A
Permit #:
PE-2018-0070
Status:
issued
Fee:
$137
Permit Type:
Electrical
Building Type:
N/A
Mrc 2015
Valuation:
N/A
Permit #:
PE-2018-0137
Status:
issued
Fee:
$72
Permit Type:
Electrical
Building Type:
N/A
R - ele (fixtures & circuits) water damage repairs pb2000-0208
Valuation:
N/A
Permit #:
PE2000-0208
Status:
final
Fee:
$32
Permit Type:
Electrical
Building Type:
N/A
R - misc electric - service & circuits peggy holt 248-828-4188
Valuation:
N/A
Permit #:
PE2004-2336
Status:
final
Fee:
$45
Permit Type:
Electrical
Building Type:
N/A
Strip and reshingle house and detached garage
Valuation:
$2,700
Permit #:
PB090532
Status:
final
Fee:
$115
Permit Type:
Roof
Building Type:
Addition alter re...
R - electric for fire repairs pb2003-0054
Valuation:
N/A
Permit #:
PE2003-0540
Status:
final
Fee:
$55
Permit Type:
Electrical
Building Type:
N/A
Electric for fire repairs b99-1117
Valuation:
N/A
Permit #:
PE1999-3122
Status:
final
Fee:
$114
Permit Type:
Electrical
Building Type:
N/A
R - electric for pool pb1999-3004
Valuation:
$0
Permit #:
PE2000-0053
Status:
N/A
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Const type: 0 proposed usage: 0
Valuation:
N/A
Permit #:
PM920427
Status:
final
Fee:
$30
Permit Type:
N/A
Building Type:
N/A
Construct ground level wood deck
Valuation:
$2,015
Permit #:
PB110212
Status:
final
Fee:
$115
Permit Type:
Deck
Building Type:
N/A
Construct above-ground pool & shed
Valuation:
$3,800
Permit #:
PB1999-3004
Status:
N/A
Fee:
N/A
Permit Type:
Residence pool/sp...
Building Type:
N/A
Odonnell 12-8-00
Valuation:
$0
Permit #:
E253499
Status:
FINAL
Fee:
$84
Permit Type:
N/A
Building Type:
N/A
Created in error
Valuation:
N/A
Permit #:
PM170435
Status:
canceled
Fee:
$80
Permit Type:
Mechanical
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Cox, John J License info
Verified License
| License # | 7116750 |
| Status | Active |
| State | Michigan |
| Type | Mechanical Contractor |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Cox, John J 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 # | 2101074633 |
| Status | Active |
| State | Michigan |
| Type | Residential Builder Individual |
- When BuildZoom last verified this license, it had an expiration date of May, 2026. Check the current license status of Cox, John J with 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 # | 2101074633 |
| Status | Active |
| State | Michigan |
| Type | Residential Builder Individual |
- When BuildZoom last verified this license, it had an expiration date of May, 2026. Check the current license status of Cox, John J with 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 # | 7116750 |
| Status | Active |
| State | Michigan |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of August, 2025. Check the current license status of Cox, John J with 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 # | 2101096422 |
| Status | Active |
| State | Michigan |
| Type | Builder - Individual |
- When BuildZoom last verified this license, it had an expiration date of May, 2014. Check the current license status of Cox, John J 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 # | 2101096422 |
| Status | Inactive |
| State | Michigan |
| Type | Residential Builder Individual |
- 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 Cox, John J 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 # | 2101096422 |
| Status | Inactive |
| State | Michigan |
| Type | Residential Builder Individual |
- 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 Cox, John J at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
15
Permits
- Building permit records show that Cox, John J has worked on 15 permitted projects.
Cox, John J Employees
CJ
Cox, John J
Owner
CJ
Cox, Michael J
Owner
MC
Matthew Cox
Owner
MC
Matthew J Cox