Updated: Jun 13, 2026
Location and Projects
Address
201 PRALLE LANE, Saint Charles, MO, 63303
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Pipe Systems Mechanical, LLC
Pipe Systems Mechanical, LLC, 201 Pralle Ln, St. Charles, MO (Owned by: Duct Systems, Inc.) holds a Drainlayer license and 34 other licenses according to the St Louis County license board.
Their BuildZoom score of 107 ranks in the top 6% of 23,328 Missouri licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Pipe Systems Mechanical, LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Pipe Systems Mechanical, LLC Contact Information
Phone Number: (618) 910-2504
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Address: 201 PRALLE LANE, St. Charles, MO 63303
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Pipe Systems Mechanical, LLC St. Charles
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Pipe Systems Mechanical, LLC has a BuildZoom score of 107, which places them above 94% of 23,328 contractors in Missouri.
Activity
|
18 projects
|
2025 |
|
22 projects
|
2024 |
|
24 projects
|
2023 |
Our building permit records indicate that Pipe Systems Mechanical, LLC has worked on at least
64.0 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
|
8 projects
|
Commercial Renovations |
|
6 projects
|
Home Additions |
|
5 projects
|
New Constructions |
|
39 projects
|
HVAC projects |
|
33 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Pipe Systems Mechanical, LLC mostly works on
hvac project
and mechanical project
projects.
Pricing
|
24 projects
|
< $5k |
|
7 projects
|
$5k-$20k |
|
9 projects
|
$20k-$50k |
|
6 projects
|
$50k-$100k |
|
11 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
|
3 projects
|
$500k-$1mil |
The typical size of their permits is approximately $11,500. 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 Pipe Systems Mechanical, LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
(accelerated plan review) (thermofisher) remove 5 existing roof top units and replace with new roof top units and addition two new roof top units to the building. there is new duct work added along with a new exhaust fan and natural gas piping to the new roof top units
Valuation:
$954,951
Permit #:
25MEC-03396
Status:
issued
Fee:
$8,115
Permit Type:
Alteration
Building Type:
N/A
(st louis city of airport authority) install complete water systems install complete sanitary drain waste system and vent piping system bridgeton building permit number b25-0018
Valuation:
$250,000
Permit #:
25PLU-04776
Status:
issued
Fee:
$603
Permit Type:
Alteration
Building Type:
N/A
Chase bank - reference: permit # 25bld-01487 install (56) air devices (3) exhaust fans (2) fire dampers (1) gravity ventilator (1) mechanical louver (10) indoor ahu (4) condensing units (1) branch selector
Valuation:
$189,285
Permit #:
25MEC-06726
Status:
issued
Fee:
$1,271
Permit Type:
New construction
Building Type:
N/A
Msd-per 24bld-08951-furnishing and installing: mau 3x remote terminal unit 2x ef 7x cuh 6x euh 5x duct diff gas piping wtr htr vent 1x ppu 1x
Valuation:
$94,000
Permit #:
25MEC-02771
Status:
issued
Fee:
$712
Permit Type:
Alteration
Building Type:
N/A
It is a renovation of an existing classroom that is being demolished for a new respiratory health hospital lab that is to mimic a hospital setting for training students
Valuation:
$284,000
Permit #:
PLMB-004592-2025
Status:
filed
Fee:
$35
Permit Type:
N/A
Building Type:
N/A
Replace one chiller and four heating boilers
Valuation:
$875,000
Permit #:
25BLD-04665
Status:
canceled
Fee:
N/A
Permit Type:
Replacement
Building Type:
N/A
Replace two air handlers with four mau's
Valuation:
$635,000
Permit #:
25MEC-04856
Status:
revisions requested
Fee:
N/A
Permit Type:
Replacement
Building Type:
N/A
(qpr) bar/simulator area - addition hvac equipment and duct for a tenant finish
Valuation:
$206,080
Permit #:
ME25-000020
Status:
complete
Fee:
N/A
Permit Type:
Commercial addition
Building Type:
N/A
(mercy hospital south) demolish existing equipment and ductwork in space. install new ductwork chilled water piping hot water piping and medical gas piping for new floor layout. equipment includes 4 vav's 1 blower coil unit 2 new exhaust fans 1 heat exchanger 2 pumps and medical gas outlets
Valuation:
$214,000
Permit #:
23MEC-11289
Status:
complete
Fee:
$1,535
Permit Type:
Alteration
Building Type:
N/A
Reference 23bld-04642 23bld-04643 23bld-04644 23bld-002789 install complete water system install complete sanitary drain waste and vent system. install fixtures
Valuation:
$250,000
Permit #:
24PLU-04406
Status:
issued
Fee:
$543
Permit Type:
Addition
Building Type:
N/A
(dr. sueoka dental office) route new compressed air and vacuum lines from existing chair connections to new chair locations. compressed and vacuum lines also routed to new sterilization station. all final connections completed by dental specialists (patterson).(additional permit 24plu-20344)
Valuation:
$22,000
Permit #:
24MEC-10237
Status:
complete
Fee:
$284
Permit Type:
Alteration
Building Type:
N/A
****unable to process – please resubmit* we are unable to process your permit for the following reason(s): this scope of work does not require a plan review. please resubmit as an over the counter plumbing permit. please click on the link for more information: https://stlouiscountymo.gov/st-louis-county-departments/transportation-and-public-works/commercial-building (if you are unable... see more
Valuation:
$43,561
Permit #:
23PLU-10486
Status:
canceled
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Ameren - demolition of existing mechanical equipment. furnish and install ductwork and mechanical equipment for renovated ameren office space. equipment includes 2 air handlers 6 heaters 6 exhaust fans and 5 circulations fans. building permit number is bld23-0055
Valuation:
$125,000
Permit #:
23MEC-10459
Status:
issued
Fee:
$946
Permit Type:
Alteration
Building Type:
N/A
***scope of work requires plan review...please re-apply and upload sealed drawing(s) - thanx***ameren- demolition of existing mechanical equipment. furnish and install ductwork and mechanical equipment for renovated ameren office space. equipment includes 2 air handlers 6 heaters 6 exhaust fans and 5 circulations fans. building permit number is bld23-0055
Valuation:
$125,000
Permit #:
23MEC-09717
Status:
canceled
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Missouri american water co - furnish and install 3 new exhaust fans and 3 new exhaust hose reels and associated ductwork. furnish and install new ductwork for three existing maus. furnish and install co/no2 sensor. revise mau programming
Valuation:
$62,040
Permit #:
23MEC-01616
Status:
complete
Fee:
$556
Permit Type:
Alteration
Building Type:
N/A
(accelerated plan review) sweet mia nail salon - interior finish new nail salon. submitting for mep review prior to contractors being selected for this job
Valuation:
$42,850
Permit #:
24MEC-00514
Status:
complete
Fee:
$929
Permit Type:
Interior finish
Building Type:
N/A
(lambert airport authority) furnish and install vavs listed and 20 air devices. provide equipment startup testing and balancing
Valuation:
$32,000
Permit #:
25MEC-02807
Status:
issued
Fee:
$352
Permit Type:
Alteration
Building Type:
N/A
***scope of work requires plan review...please re-apply and upload sealed drawing(s) - thanx!***ameren-demolition of existing mechanical equipment. furnish and install ductwork and mechanical equipment for renovated ameren office space. equipment includes 2 air handlers 6 heaters 6 exhaust fans and 5 circulation fans
Valuation:
$125,000
Permit #:
23MEC-07964
Status:
canceled
Fee:
N/A
Permit Type:
New construction
Building Type:
N/A
Install ductwork and equipment for new liquor store. existing rooftops to be reused 2 new exhaust fans 1 new humidifier and one new mini-split system to be installed building permit #23bld-09327
Valuation:
$55,600
Permit #:
24MEC-01613
Status:
complete
Fee:
$473
Permit Type:
Alteration
Building Type:
N/A
***please see the following fixtures that were approved under the referenced permit: approved comments 8 water closets 2 urinals 4 lavatories 3 floor drains 2 showers 1 drinking fountain 1 break room sink 1 mop sink 1 ice maker please verify fixtures and resubmit thank you.***reference 23bld-08529 install complete water system install complete sanitary waste and vent piping systems. i... see more
Valuation:
$175,000
Permit #:
24PLU-03488
Status:
canceled
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
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BZ Score
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Avg Project
-
Projects
122
BZ Score
$4.5K
Avg Project
-
Projects
License # P7241
Saint Louis, MO
119
BZ Score
$7K
Avg Project
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Projects
Pipe Systems Mechanical, LLC Reviews
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Verified License
BuildZoom confirmed this contractor's license
Pipe Systems Mechanical, LLC License info
Verified License
| License # | D003606 |
| Status | Active |
| County | St Louis County |
| Type | Drainlayer |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Pipe Systems 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
| License # | MEC2092690 |
| Status | Active |
| City | University City |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of Pipe Systems Mechanical, 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 # | MEC2092690 |
| 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 Pipe Systems Mechanical, 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 |
| City | Town And Country |
- When BuildZoom last verified this license, it had an expiration date of December, 2024. Check the current license status of Pipe Systems Mechanical, LLC with the City of Town and Country
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | MEC7339310 |
| Status | Active |
| City | University City |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of April, 2024. Check the current license status of Pipe Systems Mechanical, 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 | Plumber |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Pipe Systems 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.
License Not Verified
| Status | Active |
| County | St Louis County |
| Type | Plumbers |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Pipe Systems 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.
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 Pipe Systems 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.
License Not Verified
| Status | Active |
| City | Town And Country |
- When BuildZoom last verified this license, it had an expiration date of December, 2024. Check the current license status of Pipe Systems Mechanical, LLC with the City of Town and Country
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| County | St Louis County |
| Type | Process Piping Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Pipe Systems 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.
License Not Verified
| Status | Active |
| County | St Louis County |
| Type | Plumbers |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Pipe Systems 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.
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 Pipe Systems 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.
License Not Verified
| License # | MEC0066049 |
| Status | Active |
| City | Dyersburg |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of September, 2018. Check the current license status of Pipe Systems Mechanical, LLC with the City of Dyersburg
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Town And Country |
- When BuildZoom last verified this license, it had an expiration date of December, 2024. Check the current license status of Pipe Systems Mechanical, LLC with the City of Town and Country
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Town And Country |
- When BuildZoom last verified this license, it had an expiration date of December, 2024. Check the current license status of Pipe Systems Mechanical, LLC with the City of Town and Country
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Richmond Heights |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of Pipe Systems Mechanical, LLC with the City of Richmond Heights
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | M139 |
| Status | Active |
| County | Jefferson County |
| Type | Mechanical |
- BuildZoom has not verified this license since January, 2010.
Verify this license's status for Pipe Systems Mechanical, LLC at the Jefferson County Building Division.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | M138 |
| Status | Active |
| County | Jefferson County |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Pipe Systems Mechanical, LLC with the Jefferson County Building Division
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | P7155 |
| Status | Inactive |
| County | St Louis County |
| Type | Plumber |
- According to the Saint Louis County Department of Public Works, 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 Pipe Systems 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.
Inactive License
| License # | X0363 |
| Status | Inactive |
| County | St Louis County |
| Type | Mechanical |
- According to the Saint Louis County Department of Public Works, 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 Pipe Systems 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.
Inactive License
| Status | Inactive |
| County | St. Charles County |
| Type | Plumbing Contractor |
- According to the St. Charles County Department of Development & Business Services, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | MEC0066049 |
| 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 Pipe Systems Mechanical, LLC at the City of University City.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | St. Charles County |
| Type | Mechanical |
- According to the St. Charles County Department of Development & Business Services, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | St. Charles County |
| Type | Plumbing Contractor |
- According to the St. Charles County Department of Development & Business Services, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | St Louis County |
| Type | Fire Suppression Contractor |
- According to the Saint Louis County Department of Public Works, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | St. Charles County |
| Type | Hvacr Contractor (Class A) |
- According to the St. Charles County Department of Development & Business Services, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | St. Charles County |
| Type | Plumbing Contractor |
- According to the St. Charles County Department of Development & Business Services, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | St. Charles County |
| Type | Hvacr Contractor (Class A) |
- According to the St. Charles County Department of Development & Business Services, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | St Louis County |
| Type | Plumbers |
- According to the Saint Louis County Department of Public Works, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | St Louis County |
| Type | Fire Suppression Contractor |
- According to the Saint Louis County Department of Public Works, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | St Louis County |
| Type | Sprinkler Fitters |
- According to the Saint Louis County Department of Public Works, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | St Louis County |
| Type | Mechanical Contractor |
- According to the Saint Louis County Department of Public Works, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | St Louis County |
| Type | Process Piping Contractor |
- According to the Saint Louis County Department of Public Works, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | St Louis County |
| Type | Plumber |
- According to the Saint Louis County Department of Public Works, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | St Louis County |
| Type | Pipe Fitter |
- According to the Saint Louis County Department of Public Works, 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.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
762
Permits
- Building permit records show that Pipe Systems Mechanical, LLC has worked on 762 permitted projects.
Pipe Systems Mechanical, LLC Employees
AJ
Aaron Johnson
Owner
CP
Cliff Politte
Owner
DT
Dan Tucker
DT
Daniel Tucker
Owner
DE
David Eldridge
Owner
DN
Donald Nickel
Owner
DI
Duct Systems, Inc.
Owner
GC
George J Corey
JW
John Wienstroer
Owner
MR
Matthew D Rechtiene
MR
Matthew Rechtiene
RW
Robert Willig
Owner
SF
Stacey Ford
Owner
ZC
Zach Confer
Owner