Updated: Jun 14, 2026
Location and Projects
Address
3939 MAFFITT AVE., Saint Louis, MO, 63113
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Pro Mechanical Contracting, LLC
Pro Mechanical Contracting, LLC, 3939 Maffitt Ave, St. Louis, MO (Employee: Leo Furnace) holds a Mechanical license and 1 other license according to the St Louis County license board.
Their BuildZoom score of 92 ranks in the top 32% of 23,328 Missouri licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Pro Mechanical Contracting, LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Pro Mechanical Contracting, LLC Services
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Pro Mechanical Contracting, LLC Contact Information
Phone Number: (314) 532-4524
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Address: 3939 MAFFITT AVE., St. Louis, MO 63113
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Pro Mechanical Contracting, LLC St. Louis
Quality
92
68th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Pro Mechanical Contracting, LLC has a BuildZoom score of 92, which places them above 68% of 23,328 contractors in Missouri.
Activity
|
1 project
|
2023 |
Our building permit records indicate that Pro Mechanical Contracting, LLC has worked on at least
1.0 project 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.
Pricing
|
1 project
|
< $5k |
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.
Building Permits by Pro Mechanical Contracting, LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Installation of a 4 ton air conditioning 4 ton coil and 100, 000 btu 90% furnace. and installatiioon of a 2-1/2 ton -ac , coil and 60, 000 btu 80% furnace
Valuation:
$5,000
Permit #:
22MEC-09759
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Duct work exhaust ref 21mec-02399 the suite life
Valuation:
$6,000
Permit #:
22MEC-03544
Status:
complete
Fee:
$123
Permit Type:
Alteration
Building Type:
N/A
Replace 1-2ton air conditioning & 1-2ton ah
Valuation:
$2,500
Permit #:
22MEC-03733
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Replace 1 80, 000 btu furnace ( 1 2.5 ton coil and ( 1 2.5 ton condenser
Valuation:
$3,000
Permit #:
23MEC-07421
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Install furnace a- coil and condensor
Valuation:
$3,000
Permit #:
22MEC-09283
Status:
complete
Fee:
$126
Permit Type:
Replacement
Building Type:
N/A
Seismic (21mec-01581-original permit)
Valuation:
$5,000
Permit #:
21MEC-08938
Status:
complete
Fee:
$187
Permit Type:
Miscellaneous work
Building Type:
N/A
Installation of furnace coil and condenser
Valuation:
$2,800
Permit #:
21MEC-05289
Status:
complete
Fee:
$126
Permit Type:
Replacement
Building Type:
N/A
3 ton air handler with 20 kw heat strip
Valuation:
$1,500
Permit #:
21MEC-01850
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Interior renovation with new deck
Valuation:
$50,000
Permit #:
22BLD-00685
Status:
complete
Fee:
$316
Permit Type:
Alteration
Building Type:
N/A
Replace condensor and 2 evap coil
Valuation:
$5,000
Permit #:
20MEC-08302
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Replace air conditioning & coil
Valuation:
$2,000
Permit #:
20MEC-02215
Status:
issued
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Interior finish/(modern vascular)/new rtu's and sheetmetal duct registers & fan exhausts
Valuation:
$170,000
Permit #:
21MEC-01581
Status:
issued
Fee:
$1,229
Permit Type:
Interior finish
Building Type:
N/A
Cussings: install gas piping from existing pipe to new make up air unit
Valuation:
$7,500
Permit #:
19MEC-04378
Status:
complete
Fee:
$156
Permit Type:
Alteration
Building Type:
N/A
Hvac system replacement
Valuation:
$2,500
Permit #:
21MEC-10231
Status:
issued
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Remodel kitchen 2 bathrooms
Valuation:
$20,000
Permit #:
21BLD-01937
Status:
complete
Fee:
$312
Permit Type:
Replacement
Building Type:
N/A
Replace 2 1/2 ton condenser
Valuation:
$1,500
Permit #:
20MEC-09096
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
***please re-submit with mechanical licensed professional information***replacement of 1- 2ton air handler and 1- 2 ton condenser
Valuation:
$3,000
Permit #:
22MEC-03680
Status:
canceled
Fee:
N/A
Permit Type:
Replacement
Building Type:
N/A
Duct work/exhaust fans (the suite life)
Valuation:
$6,000
Permit #:
22MEC-02671
Status:
canceled
Fee:
N/A
Permit Type:
Replacement
Building Type:
N/A
Replace gas lines
Valuation:
$2,000
Permit #:
19MEC-04059
Status:
canceled
Fee:
N/A
Permit Type:
Replacement
Building Type:
N/A
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Pro Mechanical Contracting, LLC Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Pro Mechanical Contracting, LLC License info
Verified License
| License # | X0149 |
| Status | Active |
| County | St Louis County |
| Type | Mechanical |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Pro Mechanical Contracting, LLC at the Saint Louis County Department of Public Works.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| County | St Louis County |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Pro Mechanical Contracting, LLC with the Saint Louis County Department of Public Works
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
14
Permits
- Building permit records show that Pro Mechanical Contracting, LLC has worked on 14 permitted projects.
Pro Mechanical Contracting, LLC Employees
LF
Leo Furnace