Updated: Nov 11, 2025
Location and Projects
Address
Clinton Township, MI, 48036
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John Brennan Electrician
John Brennan Inc, Clinton Twp, MI (Owned by: John Brennan) holds a Mechanical Contractor license and 6 other licenses according to the Michigan license board.
Their BuildZoom score of 104 ranks in the top 9% of 167,179 Michigan licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring John Brennan Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
John Brennan Inc Contact Information
Phone Number: (586) 412-2252
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John Brennan Inc Clinton Twp
Quality
104
91st percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
John Brennan Inc has a BuildZoom score of 104, which places them above 91% of 167,179 contractors in Michigan.
Activity
|
23 projects
|
2025 |
|
27 projects
|
2024 |
|
22 projects
|
2023 |
Our building permit records indicate that John Brennan Inc has worked on at least
72.0 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.
Experience
|
70 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that John Brennan Inc mostly works on
electrical project
projects.
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install rear yard generator. the generator must be placed immediately adjacent ( maximum 36 clearance) to the wall of the building and must not register more than a 70 db(a) noise level at the closest property line. will now be a secondary front yard-tb
Valuation:
N/A
Permit #:
PM22-1088
Status:
final
Fee:
$165
Permit Type:
Generator
Building Type:
N/A
Install side yard generator. the generator must be placed immediately adjacent (maximum 36 clearance) to the residential building and screened from view with evergreen plantings according to the township code of ordinances. generators must not register more than a 70 db(a) noise level at the closest property line
Valuation:
N/A
Permit #:
PM22-0749
Status:
final
Fee:
$165
Permit Type:
Generator
Building Type:
N/A
Install side yard generator. the generator must be placed immediately adjacent (maximum 36 clearance) to the residential building and screened from view with evergreen plantings according to the township code of ordinances. generators must not register more than a 70 db(a) noise level at the closest property line
Valuation:
N/A
Permit #:
PGU22-0113
Status:
final
Fee:
$50
Permit Type:
Generator
Building Type:
N/A
Install side yard generator. the generator must be placed immediately adjacent (maximum 36 clearance) to the residential building and screened from view with evergreen plantings according to the township code of ordinances. generators must not register more than a 70 db(a) noise level at the closest property line 1 insp. contractor must be on site for final electrical inspection
Valuation:
N/A
Permit #:
PE22-0752
Status:
final
Fee:
$135
Permit Type:
Generator
Building Type:
N/A
No building permit reqd car charging station portable residential generator with service
Valuation:
N/A
Permit #:
PE23-0103
Status:
final
Fee:
$110
Permit Type:
Electrical
Building Type:
N/A
Installation of home standby generator and service update
Valuation:
N/A
Permit #:
PE25-0108
Status:
issued
Fee:
$115
Permit Type:
Generator
Building Type:
N/A
14kw standby generator w/100a service rated transfer switch & 100a panel replacement
Valuation:
N/A
Permit #:
PE23-40337
Status:
suspended
Fee:
$170
Permit Type:
Electrical
Building Type:
N/A
No building permit reqd 200 amp main breaker panel
Valuation:
N/A
Permit #:
PE24-0023
Status:
final
Fee:
$75
Permit Type:
Electrical
Building Type:
N/A
100 amp service update smoke/carbon monoxide detector light fixtures circuits
Valuation:
N/A
Permit #:
PE24-002005
Status:
issued
Fee:
$417
Permit Type:
Electrical
Building Type:
N/A
Addition circuit and repair wiring to garage subpanel. addition exhaust fan in lower level bathroom. install gfci throughout house and garage as needed
Valuation:
N/A
Permit #:
PE22-0183
Status:
issued
Fee:
$109
Permit Type:
Electrical
Building Type:
N/A
Electrical violation repairs - title vii (note: see other permit #pe190338 issued to other contractor?) 2/28/20 reviewed w/sd and sjs gt approved to finalize this permit and pe190338 - sjs to write letter to ho's son tom boni concerning hanging wires (some live/hot per elect insp)
Valuation:
N/A
Permit #:
PE190280
Status:
final
Fee:
$161
Permit Type:
Electrical
Building Type:
N/A
R - attached. install a generator at the side of the home in compliance with the 2015 michigan mechanical code the 2017 national electrical code and chapter 39 of the troy zoning ordinance
Valuation:
N/A
Permit #:
PB2021-0027
Status:
applied
Fee:
$30
Permit Type:
add/alter
Building Type:
N/A
Permit per inspectors request for inspection preformed 12-13-2024
Valuation:
N/A
Permit #:
PE24-002000
Status:
issued
Fee:
$372
Permit Type:
Electrical
Building Type:
N/A
Gas piping to home standby generator
Valuation:
N/A
Permit #:
PM25-0094
Status:
issued
Fee:
$90
Permit Type:
Generator
Building Type:
N/A
Permit per inspectors requirement
Valuation:
N/A
Permit #:
PE25-000341
Status:
issued
Fee:
$417
Permit Type:
Electrical
Building Type:
N/A
Generator - jc authorized side yard location
Valuation:
N/A
Permit #:
PE23-0564
Status:
final
Fee:
$100
Permit Type:
Generator
Building Type:
N/A
No building permit reqd 240 circuit for residential portable generator
Valuation:
N/A
Permit #:
PE22-1854
Status:
final
Fee:
$110
Permit Type:
Electrical
Building Type:
N/A
100 amp service update including exterior equipment distribution panel service grounding
Valuation:
N/A
Permit #:
PE240114
Status:
final
Fee:
$145
Permit Type:
Electrical
Building Type:
N/A
Install & wiring 18kw standby generator w/automatic transfer switch
Valuation:
N/A
Permit #:
PE22-0905
Status:
final
Fee:
$100
Permit Type:
Generator
Building Type:
N/A
Electrical to pool pump and heater and pool grounding/bonding
Valuation:
N/A
Permit #:
PE23-0351
Status:
final
Fee:
$90
Permit Type:
Electrical pool
Building Type:
N/A
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John Brennan Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
John Brennan Inc License info
Verified License
| License # | 7117469 |
| Status | Active |
| State | Michigan |
| Type | Mechanical Contractor |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for John Brennan Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 6108611 |
| Status | Active |
| State | Michigan |
| Type | Electrical Contractor |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for John Brennan Inc 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 # | 7117469 |
| 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 John Brennan Inc with the Michigan Department of Licensing & Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 6108611 |
| Status | Active |
| State | Michigan |
| Type | Electrical Contractor |
- BuildZoom has not verified this license since January, 2025.
Verify this license's status for John Brennan Inc 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-170416 |
| 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 John Brennan Inc 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 # | LIC-090163 |
| 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 John Brennan Inc 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-090105 |
| 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 John Brennan Inc at the The City of Ann Arbor, MI.
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
1.3K
Permits
- Building permit records show that John Brennan Inc has worked on 1266 permitted projects.
John Brennan Inc Employees
JB
John Brennan
Owner
JB
John Brennan
SG
Steven Gentilcore
Owner
SG
Steven R Gentilcore