Updated: Feb 17, 2026
Location and Projects
Address
Ortonville, MI, 48462
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Casimir R Mleczko HVAC/Mechanical Contractor
Casimir R Mleczko, Ortonville, MI (Owned by: Casimir Mleczko) holds a Mechanical Contractor license and 1 other license according to the Michigan license board.
Their BuildZoom score of 92 ranks in the top 32% of 167,179 Michigan licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Casimir R Mleczko, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Casimir R Mleczko Contact Information
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Refrieration air conditioning 20-50 hp; refrigeration air conditioning over 50hp
Valuation:
N/A
Permit #:
PM2020-1938
Status:
applied
Fee:
$115
Permit Type:
Mechanical
Building Type:
N/A
1 refrigeration air conditioning over 20 hp to 50 hp;
Valuation:
N/A
Permit #:
PM2020-0482
Status:
applied
Fee:
$55
Permit Type:
Mechanical
Building Type:
N/A
1 gas line
Valuation:
N/A
Permit #:
PM2019-1175
Status:
final
Fee:
$45
Permit Type:
Mechanical
Building Type:
N/A
4 gas burners @ 75, 001-150, 000 btu ea; 4 refrigeration units @ 1-1/2 to 5 hp ea
Valuation:
N/A
Permit #:
PM2020-0704
Status:
final
Fee:
$240
Permit Type:
Mechanical
Building Type:
N/A
1 rooftop cooling unit - over 50 hp
Valuation:
N/A
Permit #:
PM2021-0969
Status:
final
Fee:
$60
Permit Type:
Mechanical
Building Type:
N/A
Refrigeration air conditioning over 50 hp;
Valuation:
N/A
Permit #:
PM2018-1055
Status:
issued
Fee:
$60
Permit Type:
Mechanical air
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PM180933
Status:
final
Fee:
$375
Permit Type:
Mechanical
Building Type:
N/A
Jastrzembowski 10-15-14
Valuation:
$0
Permit #:
M413501
Status:
ISSUED
Fee:
$405
Permit Type:
N/A
Building Type:
N/A
Refrigeration air conditioning 1.5-5 hp (2x);
Valuation:
N/A
Permit #:
PM2017-1413
Status:
final
Fee:
$65
Permit Type:
Mechanical
Building Type:
N/A
New construction
Valuation:
N/A
Permit #:
PM14-000546
Status:
final
Fee:
$521
Permit Type:
Mechanical
Building Type:
N/A
A)- 20hp refrigeration lab dist; b)- east building dist; c)- gym dist & fan pb2010-0346
Valuation:
N/A
Permit #:
PM2011-0169
Status:
final
Fee:
$180
Permit Type:
Mechanical
Building Type:
N/A
Registration;refrig remote sys 0-7.5 hp;duct alteration
Valuation:
N/A
Permit #:
PM050153
Status:
final
Fee:
N/A
Permit Type:
Mechanical
Building Type:
N/A
Air distribution - area over 5, 000 sq. feet pb2011-0500
Valuation:
N/A
Permit #:
PM2011-1366
Status:
final
Fee:
$70
Permit Type:
Mechanical
Building Type:
N/A
Air distribution - area under 5, 000 sq. feet pb2011-1211
Valuation:
N/A
Permit #:
PM2011-1365
Status:
final
Fee:
$40
Permit Type:
Mechanical
Building Type:
N/A
C - heat - 8 240, 000 btu units 1 150, 000 btu unit 9 exhaust fans pb2007-0103
Valuation:
N/A
Permit #:
PM2007-0488
Status:
final
Fee:
$395
Permit Type:
Mechanical heat
Building Type:
N/A
Diffusers - distribution over 5, 000 sq. feet pb2010-0346
Valuation:
N/A
Permit #:
PM2011-0098
Status:
final
Fee:
$40
Permit Type:
Mechanical
Building Type:
N/A
C - air conditioning - 1 4hp unit 8 10hp units dist under 5000 sq ft pb2007-0103
Valuation:
N/A
Permit #:
PM2007-0487
Status:
final
Fee:
$375
Permit Type:
Mechanical air
Building Type:
N/A
Gas piping
Valuation:
N/A
Permit #:
PMC12844
Status:
final
Fee:
$115
Permit Type:
Mechanical special
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
970428
Status:
final
Fee:
N/A
Permit Type:
Mechanical
Building Type:
N/A
Commercial - heating lennox 4 roof tops
Valuation:
N/A
Permit #:
PM2002-1370
Status:
final
Fee:
$165
Permit Type:
Mechanical heat
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Casimir R Mleczko License info
Verified License
| License # | 7110102 |
| Status | Active |
| State | Michigan |
| Type | Mechanical Contractor |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Casimir R Mleczko 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 # | 7110102 |
| 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 Casimir R Mleczko with the Michigan Department of Licensing & Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
14
Permits
- Building permit records show that Casimir R Mleczko has worked on 14 permitted projects.
Casimir R Mleczko Employees
CM
Casimir Mleczko
Owner
CM
Casimir R Mleczko