Updated: May 26, 2026
Location and Projects
Address
Ortonville, MI, 48462
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Positive plumbing & Heating Inc
Positive plumbing & Heating Inc, Ortonville, MI (Owned by: Jeffrey Koss) holds a Mechanical Contractor license and 5 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 Positive plumbing & Heating Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Positive plumbing & Heating Inc Services
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Positive plumbing & Heating Inc Contact Information
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Building Permits by Positive plumbing & Heating Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Heating 0-100k btu
Valuation:
N/A
Permit #:
PM160660
Status:
final
Fee:
N/A
Permit Type:
Mechanical
Building Type:
N/A
Lavatory; 3/4 water dist
Valuation:
N/A
Permit #:
PP140202
Status:
final
Fee:
N/A
Permit Type:
plumbing
Building Type:
N/A
3/4 water distribution
Valuation:
N/A
Permit #:
PP140059
Status:
final
Fee:
N/A
Permit Type:
plumbing
Building Type:
N/A
5755 maple permit: p02-0602 sidwell: x -18-34-200-146 subdivision: acreage 1 stack 1 water closet 1 hot water tank 1 lavatory 0.75 in. water line
Valuation:
N/A
Permit #:
PP02-0602
Status:
final
Fee:
$40
Permit Type:
plumbing
Building Type:
N/A
Installation of a new water heater by positive plumbing 586-776-0606
Valuation:
N/A
Permit #:
PM140054
Status:
final
Fee:
$115
Permit Type:
Mechanical
Building Type:
N/A
2 stacks 2 water closets 2 lav 1 sink water heater garb. disp dishwasher 2 bathroom tub shower trap 1 3/4 water dist. 1 hose bibb
Valuation:
N/A
Permit #:
PP990018
Status:
final
Fee:
$148
Permit Type:
plumbing
Building Type:
N/A
Backflow preventers 1
Valuation:
N/A
Permit #:
PP120502
Status:
final
Fee:
N/A
Permit Type:
plumbing
Building Type:
N/A
3 aga gas valves
Valuation:
N/A
Permit #:
PM150188
Status:
final
Fee:
$150
Permit Type:
Mechanical
Building Type:
N/A
Furnace make: payne 110, 000 btu furnace model: 8090
Valuation:
N/A
Permit #:
PM14-003843
Status:
final
Fee:
$35
Permit Type:
Flood
Building Type:
N/A
No Description Available
Valuation:
$0
Permit #:
PP140202
Status:
FINALED
Fee:
N/A
Permit Type:
Plumbing
Building Type:
N/A
No Description Available
Valuation:
$0
Permit #:
PP140059
Status:
FINALED
Fee:
N/A
Permit Type:
Plumbing
Building Type:
N/A
Boiler 0-100k btu (bldg a)
Valuation:
N/A
Permit #:
PM130753
Status:
final
Fee:
N/A
Permit Type:
Mechanical
Building Type:
N/A
1furnace under 75, 000 btu's and 1 furnace over 75, 001 btu's 48601 eleven mile rd
Valuation:
N/A
Permit #:
PH03-0201
Status:
final
Fee:
$58
Permit Type:
N/A
Building Type:
N/A
Installation of sirius range hood 600 cfm die cast aluminum squirrel cage blower
Valuation:
N/A
Permit #:
PM050009
Status:
final
Fee:
$45
Permit Type:
Mechanical
Building Type:
N/A
1 auto laundry wash machine 1 garbage disposal 1 sink 3/4 water distribution
Valuation:
N/A
Permit #:
PP030826
Status:
final
Fee:
N/A
Permit Type:
plumbing
Building Type:
N/A
No Description Available
Valuation:
$0
Permit #:
PP120502
Status:
FINALED
Fee:
N/A
Permit Type:
Plumbing
Building Type:
N/A
New sprinkler system
Valuation:
N/A
Permit #:
PP.99 16785
Status:
final
Fee:
$55
Permit Type:
Industrial - remodel
Building Type:
N/A
Inspector:: gm
Valuation:
N/A
Permit #:
PM107124
Status:
final
Fee:
$30
Permit Type:
Mechanical
Building Type:
N/A
Inspector:: gm
Valuation:
N/A
Permit #:
PM106774
Status:
final
Fee:
$15
Permit Type:
Mechanical
Building Type:
N/A
Inspector:: gm
Valuation:
N/A
Permit #:
PM106119
Status:
final
Fee:
$40
Permit Type:
Mechanical
Building Type:
N/A
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Positive plumbing & Heating Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Positive plumbing & Heating Inc License info
Verified License
| License # | 7100110 |
| Status | Active |
| State | Michigan |
| Type | Mechanical Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Positive plumbing & Heating 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 # | 313148 |
| Status | Active |
| State | Michigan |
| Type | Boiler Installer |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Positive plumbing & Heating 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 # | 7100110 |
| 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 Positive plumbing & Heating Inc 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 # | 313148 |
| Status | Active |
| State | Michigan |
| Type | Boiler Installer |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of Positive plumbing & Heating Inc 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 # | 8000044 |
| Status | Inactive |
| State | Michigan |
| Type | Plumbing 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 Positive plumbing & Heating 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 # | 8000044 |
| Status | Inactive |
| State | Michigan |
| Type | Plumbing 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 Positive plumbing & Heating Inc 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
82
Permits
- Building permit records show that Positive plumbing & Heating Inc has worked on 82 permitted projects.
Positive plumbing & Heating Inc Employees
JK
Jeffrey Koss
Owner
JK
Jeffrey E Koss
JK
Jeffrey Koss