Location and Projects
Headquarters Address
1450 Frontage Rd, O'fallon, IL, 62269
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Snl Mechanical
Snl Mechanical, (Employees: Steven Porzeinski and Steven R Porzeinski) holds a Mechanical license and 2 other licenses according to the St Louis County license board.
Their BuildZoom score of 100 ranks in the top 13% of 23,328 Missouri licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Snl Mechanical, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Snl Mechanical Contact Information
Phone Number: (314) 750-7276
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Snl Mechanical
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Snl Mechanical has a BuildZoom score of 100, which places them above 87% of 23,328 contractors in Missouri.
Activity
|
3 projects
|
2025 |
|
3 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Snl Mechanical has worked on at least
8.0 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
|
4 projects
|
HVAC projects |
|
3 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Snl Mechanical mostly works on
hvac project
and mechanical project
projects.
Pricing
|
2 projects
|
< $5k |
|
1 project
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
The typical size of their permits is approximately $13,250. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Shore existing walls per architectural plans for demolish. demolish existing kitchen to existing walls. remove existing wall between kitchen and existing dining room. install structural beam per plans. route existing hvac and electrical to accommodate new opening. reinforce floor joists below island locations by sistering additional joists per plans. run electrical for fixtures device... see more
Valuation:
$100,000
Permit #:
25BLD-02461
Status:
issued
Fee:
$532
Permit Type:
Miscellaneous work
Building Type:
N/A
Replacement of existing cabinetry with new. replacement of electrical devices adding led lighting hook up to existing water supply and waste
Valuation:
$20,000
Permit #:
24BLD-08657
Status:
complete
Fee:
$208
Permit Type:
Replacement
Building Type:
N/A
Remodel existing kitchen to include removal of partition wall between kitchen & dining room. incorporate kitchen space into old formal dining room. new floor cabinets countertops electirc mechanical and plumbing
Valuation:
$60,000
Permit #:
24BLD-00387
Status:
complete
Fee:
$357
Permit Type:
Replacement
Building Type:
N/A
Addition 7 supplies and combustion/relief grills for water heater in mechanical room
Valuation:
$2,100
Permit #:
25MEC-02692
Status:
complete
Fee:
$156
Permit Type:
Interior finish
Building Type:
N/A
Building residential existing building
2022-01-12
Frame basement wall in on southern perimeter and properly fasten existing joists to existing steel per per architect plans. reconfigure master bathroom to include shower toilet and double vanity; utilizing existing space from master walk-in closet. remodel kitchen
Valuation:
$34,609
Permit #:
21BLD-07540
Status:
complete
Fee:
$298
Permit Type:
Interior finish
Building Type:
N/A
Undefined - e-permit
Valuation:
N/A
Permit #:
AMD-LP-013752
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Undefined - e-permit
Valuation:
N/A
Permit #:
AMD-LP-013708
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Undefined - e-permit
Valuation:
N/A
Permit #:
AMD-LP-013707
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Undefined - e-permit
Valuation:
N/A
Permit #:
AMD-LP-008224
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Basement finish
Valuation:
$40,000
Permit #:
24BLD-06488
Status:
complete
Fee:
$276
Permit Type:
Interior finish
Building Type:
N/A
Replaced furnace air conditioning and a coil
Valuation:
$6,500
Permit #:
23MEC-11818
Status:
complete
Fee:
$173
Permit Type:
Replacement
Building Type:
N/A
Addition of 18 x 16 room addition
Valuation:
$42,300
Permit #:
22BLD-01793
Status:
complete
Fee:
$293
Permit Type:
Addition
Building Type:
N/A
Replaced air conditioning and a coil
Valuation:
$3,500
Permit #:
23MEC-11816
Status:
issued
Fee:
$173
Permit Type:
Replacement
Building Type:
N/A
Addition with screened in area underneath
Valuation:
$67,000
Permit #:
20BLD-03385
Status:
complete
Fee:
$438
Permit Type:
Addition
Building Type:
N/A
Full kitchen remodel new stair case
Valuation:
$55,000
Permit #:
20BLD-00262
Status:
complete
Fee:
$319
Permit Type:
Interior finish
Building Type:
N/A
Kitchen remodel
Valuation:
$58,000
Permit #:
21BLD-04889
Status:
complete
Fee:
$350
Permit Type:
Alteration
Building Type:
N/A
Construct bathroom in basement
Valuation:
$34,000
Permit #:
21BLD-03968
Status:
complete
Fee:
$251
Permit Type:
Alteration
Building Type:
N/A
Kitchen remodel
Valuation:
$47,000
Permit #:
21BLD-06980
Status:
complete
Fee:
$296
Permit Type:
Alteration
Building Type:
N/A
Room addition
Valuation:
$46,000
Permit #:
20BLD-06884
Status:
complete
Fee:
$309
Permit Type:
Addition
Building Type:
N/A
Replace class b flue
Valuation:
$1,385
Permit #:
22MEC-11460
Status:
complete
Fee:
$79
Permit Type:
Addition
Building Type:
N/A
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119
BZ Score
$8K
Avg Project
-
Projects
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BZ Score
$4.5K
Avg Project
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Projects
License # P7241
Saint Louis, MO
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BZ Score
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Projects
Snl Mechanical Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Snl Mechanical License info
Verified License
| License # | X2162 |
| Status | Active |
| County | St Louis County |
| Type | Mechanical |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Snl Mechanical 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 | 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 | Hvacr Contractor (Class B) |
- 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.
100
BuildZoom Score
23
Permits
- Building permit records show that Snl Mechanical has worked on 23 permitted projects.
Snl Mechanical Employees
SP
Steven Porzeinski
SP
Steven R Porzeinski