Updated: Jul 08, 2026
Location and Projects
Headquarters Address
9413 LEBANON RD, Lebanon, IL, 62254
Local address
709 Squire Ct, Grain Valley, MO, 64029
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Custom Mechanical LLC
Custom Mechanical LLC, 709 Squire Ct, Grain Valley, MO (Employee: Marcus Frederick) holds a Mechanical license and 1 other license according to the St Louis County license board.
Their BuildZoom score of 97 ranks in the top 18% of 23,328 Missouri licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Custom Mechanical LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Custom Mechanical LLC Contact Information
Phone Number: (618) 644-9577
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Headquarters Address: 9413 LEBANON RD, Lebanon, IL, 62254
Local Address: 709 Squire Ct, Grain Valley, MO 64029
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Custom Mechanical LLC Grain Valley
Quality
97
82nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Custom Mechanical LLC has a BuildZoom score of 97, which places them above 82% of 23,328 contractors in Missouri.
Activity
|
1 project
|
2023 |
Our building permit records indicate that Custom Mechanical 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
|
$100k-$250k |
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 Custom Mechanical LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace existing louver with mechanical electric louver per approved scope of work letter dated 2/4/10
Valuation:
$0
Permit #:
CPMP 201021237
Status:
OPEN
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install mechanical per approved plans
Valuation:
$0
Permit #:
CPMP 201114127
Status:
DONE
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Refer to poettker construction permit number 22bld-00566 for plans fan exhaust model number 70c15dh;serial number 180sj9000500701. duct work-refer to plan page m1.1 and m1.2. register return and supply grilles-refer to plan page m1.1 and m1.2. air curtain model number chd10-2072a
Valuation:
$144,750
Permit #:
23MEC-11146
Status:
complete
Fee:
$1,009
Permit Type:
Miscellaneous work
Building Type:
N/A
***please reapply with device information***refer to poettker construction permit number 22bld-00566 for submitted plans
Valuation:
$221,000
Permit #:
23MEC-11071
Status:
canceled
Fee:
N/A
Permit Type:
Miscellaneous work
Building Type:
N/A
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Custom Mechanical LLC Reviews
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Verified License
BuildZoom confirmed this contractor's license
Custom Mechanical LLC License info
Verified License
| License # | X0334 |
| Status | Active |
| County | St Louis County |
| Type | Mechanical |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Custom Mechanical 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 Custom Mechanical LLC with the Saint Louis County Department of Public Works
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
Custom Mechanical LLC Employees
MF
Marcus Frederick