Updated: Jul 13, 2026
Location and Projects
Address
4872 Romaine Spring Dr, Fenton, MO, 63026
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Laplant and Sons HVAC/Mechanical Contractor
Laplant and Sons, 4872 Romaine Spring Dr, Fenton, MO (Owned by: Laplant & Sons, Inc) holds a license and 3 other licenses according to the Missouri 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 Laplant and Sons, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Laplant and Sons Contact Information
Phone Number: (314) 603-2775
Address: 4872 Romaine Spring Dr, Fenton, MO 63026
Laplant and Sons Fenton
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Laplant and Sons has a BuildZoom score of 100, which places them above 87% of 23,328 contractors in Missouri.
Activity
|
4 projects
|
2025 |
|
3 projects
|
2024 |
|
5 projects
|
2023 |
Our building permit records indicate that Laplant and Sons 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
|
4 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that Laplant and Sons mostly works on
new construction
projects.
Pricing
|
2 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
3 projects
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
The typical size of their permits is approximately $170,000. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Building permit to construct new construction single family home. 2 car attached garage
Valuation:
$450,000
Permit #:
23BLD-09423
Status:
issued
Fee:
$2,032
Permit Type:
New construction
Building Type:
N/A
House foundation still good garage foundation small repair (per john building a new home on the existing foundation 5.4.23 sc)
Valuation:
$300,000
Permit #:
23BLD-03023
Status:
complete
Fee:
$1,639
Permit Type:
Fire-storm
Building Type:
N/A
Building new single-family home
Valuation:
$450,000
Permit #:
22BLD-07546
Status:
complete
Fee:
$1,938
Permit Type:
New construction
Building Type:
N/A
New single family dwelling
Valuation:
$575,000
Permit #:
21BLD-02460
Status:
complete
Fee:
$2,471
Permit Type:
New construction
Building Type:
N/A
New single family home
Valuation:
$515,000
Permit #:
21BLD-06760
Status:
complete
Fee:
$2,114
Permit Type:
New construction
Building Type:
N/A
Interior remodel and room addition
Valuation:
$200,000
Permit #:
20BLD-05621
Status:
complete
Fee:
$939
Permit Type:
Addition
Building Type:
N/A
New single family dwelling
Valuation:
$390,000
Permit #:
20BLD-00852
Status:
complete
Fee:
$1,535
Permit Type:
New construction
Building Type:
N/A
Undefined - e-permit
Valuation:
N/A
Permit #:
AMD-LP-013200
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Undefined - e-permit
Valuation:
N/A
Permit #:
AMD-LP-008417
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Undefined - e-permit
Valuation:
N/A
Permit #:
AMD-LP-008416
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New single family dwelling
Valuation:
$550,000
Permit #:
19BLD-01377
Status:
complete
Fee:
$2,131
Permit Type:
New construction
Building Type:
N/A
New single family construction - premise 216314070 - 200 amp ug service
Valuation:
$295,000
Permit #:
18BLD-00449
Status:
complete
Fee:
$1,350
Permit Type:
New construction
Building Type:
N/A
New single family dwelling 1535 sq
Valuation:
N/A
Permit #:
PB25-0137
Status:
issued
Fee:
$744
Permit Type:
Single family
Building Type:
N/A
Undefined - e-permit
Valuation:
N/A
Permit #:
AMD-LP-002842
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Undefined - e-permit
Valuation:
N/A
Permit #:
AMD-LP-002841
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Renovation to a residential building
Valuation:
$20,000
Permit #:
23BLD-05013
Status:
complete
Fee:
$208
Permit Type:
Alteration
Building Type:
N/A
Partial basement finish kitchen & 2 bathroom remodels - premise 934711301 - 100 amp ug service
Valuation:
$8,000
Permit #:
19BLD-00931
Status:
complete
Fee:
$300
Permit Type:
Alteration
Building Type:
N/A
Replace air conditioning & furnace
Valuation:
$4,500
Permit #:
21MEC-05552
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Nsd (no master plan # on app)
Valuation:
N/A
Permit #:
21BLD-06341
Status:
complete
Fee:
$1,797
Permit Type:
New construction
Building Type:
N/A
(wyw) basement finish
Valuation:
$15,000
Permit #:
21BLD-02104
Status:
complete
Fee:
$253
Permit Type:
Interior finish
Building Type:
N/A
Laplant and Sons Reviews
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Laplant and Sons License info
License Not Required
| Status | Not Required |
- BuildZoom verified in November, 2022 that this contractor does not need a license to be a contractor in Missouri.
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 Laplant and Sons 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 # | M027 |
| 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 Laplant and Sons with the Jefferson County Building Division
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | X2147 |
| Status | Inactive |
| County | St Louis County |
| Type | Sheet Metal |
- 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.
Check this license's status for Laplant and Sons at the Saint Louis County Department of Public Works.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
96
Permits
- Building permit records show that Laplant and Sons has worked on 96 permitted projects.
Laplant and Sons Employees
LI
Laplant & Sons, Inc
Owner