Updated: Jul 18, 2026
Location and Projects
Address
5305 CAROLINE DRIVE #232, High Ridge, MO, 63049
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Siebels Contracting HVAC/Mechanical Contractor
Siebels Contracting LLC, 5305 Caroline Dr, High Ridge, MO (Owned by: Rich Kotva) holds a Mechanical license and 4 other licenses according to the St Louis County license board.
Their BuildZoom score of 102 ranks in the top 11% of 23,328 Missouri licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Siebels Contracting LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Siebels Contracting LLC Contact Information
Phone Number: (636) 677-1191
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Address: 5305 CAROLINE DRIVE #232, High Ridge, MO 63049
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Siebels Contracting LLC High Ridge
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Siebels Contracting LLC has a BuildZoom score of 102, which places them above 89% of 23,328 contractors in Missouri.
Activity
|
4 projects
|
2025 |
|
2 projects
|
2024 |
|
6 projects
|
2023 |
Our building permit records indicate that Siebels Contracting LLC has worked on at least
12.0 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
|
7 projects
|
Mechanical projects |
|
5 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Siebels Contracting LLC mostly works on
mechanical project
and hvac project
projects.
Pricing
|
5 projects
|
< $5k |
|
1 project
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
The typical size of their permits is approximately $5,000. This graph shows the distribution of these job values.
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 Siebels Contracting LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
****unable to process – please resubmit* we are unable to process your permit for the following reason(s): please sign on to the integrated building permit 23bld-03387. please click on the link for more information: https://stlouiscountymo.gov/st-louis-county-departments/transportation-and-public-works/accela-aca-training (if you are unable to click on the link then copy and paste it ... see more
Valuation:
$2,000
Permit #:
23BLD-04271
Status:
canceled
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
***see comments - cancelled per applicant request.......***rerouting existing supply air vents due to fixtures and new walls conflicting with existing routing
Valuation:
$900
Permit #:
25MEC-08229
Status:
canceled
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
(wyw) interior remodel (kitchen two baths basement misc. lighting and outlets in the house)
Valuation:
$40,000
Permit #:
24BLD-00351
Status:
issued
Fee:
$373
Permit Type:
Interior finish
Building Type:
N/A
Addition laundry/bath room within the existing garage area
Valuation:
$40,000
Permit #:
25BLD-06346
Status:
issued
Fee:
$276
Permit Type:
Alteration
Building Type:
N/A
Replace the existing air conditioning coil and furnace
Valuation:
$5,000
Permit #:
25MEC-06403
Status:
issued
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Replace existing air conditioning coil and furnace
Valuation:
$5,000
Permit #:
25MEC-06404
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Undefined - e-permit
Valuation:
N/A
Permit #:
AMD-LP-011331
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Run venting from 3 new install bathroom fans to existing roof vent. run 3 4 flex vent lines
Valuation:
$1,200
Permit #:
23MEC-09401
Status:
issued
Fee:
$126
Permit Type:
Alteration
Building Type:
N/A
(npr) replace existing hvac system
Valuation:
$18,000
Permit #:
ME25-000327
Status:
issued
Fee:
N/A
Permit Type:
Single family repair
Building Type:
N/A
Undefined - e-permit
Valuation:
N/A
Permit #:
AMD-LP-001040
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Undefined - e-permit
Valuation:
N/A
Permit #:
AMD-LP-002899
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Kitchen alt: circle k 20pac-00009 (kitchen equipment go north)
Valuation:
$22,000
Permit #:
20PAC-00009
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition wall w handsink for bagging i.c.e.: zx zephyr xpress
Valuation:
$5,000
Permit #:
20BLD-03861
Status:
complete
Fee:
$187
Permit Type:
Alteration
Building Type:
N/A
Kitchen alt: circle k 19pac-00008 (equipment go north)
Valuation:
$22,000
Permit #:
20PAC-00008
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Basement finish with kitchen and full bathroom
Valuation:
$75,000
Permit #:
23BLD-03387
Status:
complete
Fee:
$424
Permit Type:
Interior finish
Building Type:
N/A
Building addition & int remodel (circle k #1614)
Valuation:
N/A
Permit #:
22PAC-00002
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace condensing unit
Valuation:
$2,000
Permit #:
23MEC-06996
Status:
issued
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Replace condensing unit
Valuation:
$2,000
Permit #:
23MEC-06995
Status:
issued
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Replace gas furnace
Valuation:
$1,500
Permit #:
20MEC-11191
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Replace air handler
Valuation:
$1,500
Permit #:
20MEC-11190
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
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BZ Score
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License #
Saint Louis, MO
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BZ Score
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Avg Project
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Projects
Siebels Contracting LLC Reviews
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Verified License
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Siebels Contracting LLC License info
Verified License
| License # | X0341 |
| Status | Active |
| County | St Louis County |
| Type | Mechanical |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Siebels 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
| License # | MEC2165271 |
| Status | Active |
| City | University City |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of October, 2024. Check the current license status of Siebels Contracting LLC with the City of University City
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | MEC5950690 |
| Status | Active |
| City | University City |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of March, 2021. Check the current license status of Siebels Contracting LLC with the City of University City
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 Siebels 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.
Inactive License
| License # | MEC5950690 |
| Status | Inactive |
| City | University City |
| Type | Mechanical Contractor |
- According to the City of University City, 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 Siebels Contracting LLC at the City of University City.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
56
Permits
- Building permit records show that Siebels Contracting LLC has worked on 56 permitted projects.
Siebels Contracting LLC Employees
MS
Mark Siebels
Owner
RK
Rich Kotva
Owner