Updated: Jun 29, 2026
Location and Projects
Address
1084 Gravois Road, Fenton, MO, 63026
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Sm Mechanical LLC
Sm Mechanical LLC, 1084 Gravois Rd, Fenton, MO (Owned by: William Mitchell) holds a Mechanical Contractor license and 3 other licenses 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 Sm Mechanical LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Sm Mechanical LLC Contact Information
Phone Number: (636) 326-1145
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Address: 1084 Gravois Road, Fenton, MO 63026
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Hvac - st louis county police crime lab; ref; 12bld-01727. replaces 13mec-02056 & 13mec-00851. seperate permit required for seismic
Valuation:
$785,000
Permit #:
13MEC-03628
Status:
complete
Fee:
$4,331
Permit Type:
Alteration
Building Type:
N/A
No Description Available
Valuation:
$2,875
Permit #:
99-00000179
Status:
CLOSED
Fee:
$40
Permit Type:
N/A
Building Type:
N/A
Replace 60 000 btu furnace
Valuation:
$1,100
Permit #:
13MEC-06710
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Replace 60 000 btu furnace
Valuation:
$1,100
Permit #:
13MEC-06711
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Seismic revie/comm lab/(stl county crime lab)
Valuation:
$8,000
Permit #:
13MEC-03683
Status:
complete
Fee:
$213
Permit Type:
Interior finish
Building Type:
N/A
Replace furnace-apt a
Valuation:
$1,200
Permit #:
13MEC-07460
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Replace furnace-apt b
Valuation:
$1,200
Permit #:
13MEC-07462
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Replace furnace
Valuation:
$1,200
Permit #:
13MEC-07459
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Replace furnace
Valuation:
$1,200
Permit #:
13MEC-07461
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Replace furnace
Valuation:
$1,200
Permit #:
13MEC-07464
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
New hvac - carol house
Valuation:
N/A
Permit #:
13MEC-02675
Status:
complete
Fee:
$1,093
Permit Type:
Addition
Building Type:
N/A
Replace 2 rtu's
Valuation:
$3,000
Permit #:
11MEC-05655
Status:
complete
Fee:
$126
Permit Type:
Replacement
Building Type:
N/A
Mechanical commercial mechanical
2011-08-12
2 rtu's
Valuation:
$10,000
Permit #:
11MEC-04637
Status:
complete
Fee:
$126
Permit Type:
Replacement
Building Type:
N/A
Replace remote terminal unit - evolve
Valuation:
$10,000
Permit #:
11MEC-02661
Status:
complete
Fee:
$63
Permit Type:
Replacement
Building Type:
N/A
Replace furnace
Valuation:
$1,200
Permit #:
13MEC-07463
Status:
expired
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Mechanical for st louis police annex crime lab 3rd & 4th floor - 12bld-01727
Valuation:
$3,777,000
Permit #:
13MEC-00851
Status:
canceled
Fee:
$12,171
Permit Type:
Alteration
Building Type:
N/A
Addition 6 new rtu's - carol house furniture
Valuation:
$80,000
Permit #:
13MEC-00359
Status:
canceled
Fee:
$132
Permit Type:
Addition
Building Type:
N/A
Replace 250, 000 btu water heater - camden cross creek apts
Valuation:
$2,000
Permit #:
12MEC-05037
Status:
expired
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
90, 000 btu furnace & 3 ton air conditioning
Valuation:
$6,500
Permit #:
12MEC-05907
Status:
expired
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Addition generator to existing tower site for at & t mobility
Valuation:
$10,000
Permit #:
11MEC-01359
Status:
expired
Fee:
$239
Permit Type:
Alteration
Building Type:
N/A
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BZ Score
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Avg Project
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Projects
122
BZ Score
$4.5K
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License #
Saint Louis, MO
119
BZ Score
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Avg Project
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Projects
Sm Mechanical LLC Reviews
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Verified License
BuildZoom confirmed this contractor's license
Sm Mechanical LLC License info
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 Sm 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.
Verified License
| License # | M171 |
| Status | Active |
| County | Jefferson County |
| Type | Mechanical |
- BuildZoom has not verified this license since March, 2017.
Verify this license's status for Sm Mechanical LLC at the Jefferson County Building Division.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | S7416 |
| Status | Inactive |
| County | St Louis County |
| Type | Structural |
- 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 Sm 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 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.
92
BuildZoom Score
18
Permits
- Building permit records show that Sm Mechanical LLC has worked on 18 permitted projects.
Sm Mechanical LLC Employees
RP
Ron Pleimann
WM
William Mitchell
Owner