Updated: Jun 11, 2026
Location and Projects
Address
11041 GRAVOIS INDUSTRIAL CT, St Louis, MO, 63128
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Merlo Plumbing Co Norman Merlo
Merlo Plumbing Co Norman Merlo, 11041 Gravois Industrial Ct, St Louis, MO (Employees: Ken Merlo, Kenneth J Merlo, and Kenneth Merlo) holds a Drainlayer license and 17 other licenses according to the St Louis County license board.
Their BuildZoom score of 108 ranks in the top 5% of 23,328 Missouri licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Merlo Plumbing Co Norman Merlo, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Merlo Plumbing Co Norman Merlo Services
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Merlo Plumbing Co Norman Merlo Contact Information
Phone Number: (314) 843-1000
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Address: 11041 GRAVOIS INDUSTRIAL CT, St Louis, MO 63128
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Merlo Plumbing Co Norman Merlo St Louis
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Merlo Plumbing Co Norman Merlo has a BuildZoom score of 108, which places them above 95% of 23,328 contractors in Missouri.
Activity
|
1 project
|
2026 |
|
151 projects
|
2025 |
|
147 projects
|
2024 |
|
166 projects
|
2023 |
Our building permit records indicate that Merlo Plumbing Co Norman Merlo has worked on at least
465.0 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
|
19 projects
|
Home Additions |
|
13 projects
|
Commercial Renovations |
|
8 projects
|
New Constructions |
|
439 projects
|
Plumbing projects |
|
5 projects
|
Sewer laterals |
Analyzing permits over the last 4 years shows that Merlo Plumbing Co Norman Merlo mostly works on
plumbing project
and home addition
projects.
Pricing
|
371 projects
|
< $5k |
|
51 projects
|
$5k-$20k |
|
18 projects
|
$20k-$50k |
|
3 projects
|
$50k-$100k |
|
4 projects
|
$100k-$250k |
|
3 projects
|
$250k-$500k |
The typical size of their permits is approximately $1,700. 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 Merlo Plumbing Co Norman Merlo
This is a sample of this contractor's permits. Click here to access their complete permit history.
Life time raquet club - plumbing for interior remodel...working with creve couer building permit #25-0246...and 25mec-01210
Valuation:
$400,000
Permit #:
25PLU-09274
Status:
issued
Fee:
$581
Permit Type:
Alteration
Building Type:
N/A
***this permits fixture count and the building permit 25bld-02177 fixtures do not macth. the following is what was reviewerd under permit 25bld-02177- 1 water closet 1 lavatory 1 floor drain 1 drinking fountain 1 mop sink 1 water heater. please resubmit with the correct fixture count thank you!!***hibbett sports-demo cut and cap (1) floor drain..(2) water closets...and (2) lavs....rel... see more
Valuation:
$8,000
Permit #:
25PLU-09804
Status:
canceled
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Long elementary-plumbing for addition and existing renovations.....working with #25bld-02447
Valuation:
$280,000
Permit #:
25PLU-10669
Status:
issued
Fee:
$653
Permit Type:
Addition
Building Type:
N/A
(plaza-bmw) plumbing renovations for new tenant...working with creve couer building permit #n3lvmq
Valuation:
$160,000
Permit #:
25PLU-02691
Status:
issued
Fee:
$539
Permit Type:
Alteration
Building Type:
N/A
Replace existing bathroom vanity and gfci kitchen remodel 24bld-03729 stack replacement and new ptrap drain in shared wall completed and inspected this permit for replacement of bathroom vanity on back side of same wall
Valuation:
$1,200
Permit #:
24BLD-06748
Status:
complete
Fee:
$156
Permit Type:
Replacement
Building Type:
N/A
Syberg's - the mexican - interior plumbing for new tenant...working with 25bld-00168
Valuation:
$150,000
Permit #:
25PLU-02507
Status:
complete
Fee:
$725
Permit Type:
Interior finish
Building Type:
N/A
Women's wellness final connect of (2) added exam sink and (1) break room sink...also replacing the bowl and faucet for (2) existing sinks...rough inspection was done in march under cancelled 25plu-02247
Valuation:
$1,900
Permit #:
25PLU-11336
Status:
complete
Fee:
$109
Permit Type:
Alteration
Building Type:
N/A
Rodeway inn - this property has new ownership. the previous owner was issued a stop-work order for unauthorized removal and replacement of 168 wcs and 168 lavs. the new owners would like to get the work permitted inspected and approved so that they can reopen the property
Valuation:
$85,000
Permit #:
22PLU-15020
Status:
complete
Fee:
$2,172
Permit Type:
Replacement
Building Type:
N/A
Oaxaca restaurant-plumbing for restaurant remodel....working with #25bld-03701
Valuation:
$190,000
Permit #:
25PLU-16291
Status:
issued
Fee:
$503
Permit Type:
Alteration
Building Type:
N/A
Spirit lexus - interior plumbing for new car dealership....sane job as 24plu-08684
Valuation:
$300,000
Permit #:
24PLU-10166
Status:
issued
Fee:
$755
Permit Type:
New construction
Building Type:
N/A
Replace (1) water closet and lav with new ada.....remove and relocate (1) sink and rough in...replace with new (2) sinks
Valuation:
$2,500
Permit #:
25PLU-06585
Status:
complete
Fee:
$156
Permit Type:
Alteration
Building Type:
N/A
Kitchen remodel - upgrade cabinets and countertops in original configuration - reinstall sink and dishwasher with existing plumbing and electric - upgrade under-cabinet lighting to self-switched hardwired led fixtures - reconnect refrigerator to existing water line - upgrade from 30 to 48 range connecting to existing gas and electric - upgrade range hood to one that requires make up air
Valuation:
$29,000
Permit #:
23BLD-01678
Status:
complete
Fee:
$232
Permit Type:
Interior finish
Building Type:
N/A
***please sign on to integrated building permit number 21bld-07489. thank you!!***fire damage code corrections....rough in laundry box and install owner supplied fixtures.....working with #21bld-07489
Valuation:
$7,000
Permit #:
23PLU-10594
Status:
canceled
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
***per notice to industries existing medical facilities proposing to addition 3 or less fixtures require plumbing plans properly signed sealed and dated by a missouri professional engineer or plans bearig the master plumbers license number along with their signature to be submited with the plumbing permit if a building permit already has this approved please resubmit and refrence the ... see more
Valuation:
$17,000
Permit #:
25PLU-11332
Status:
canceled
Fee:
N/A
Permit Type:
Addition
Building Type:
N/A
Kitchen remodel replace kitchen cabinets countertop dishwasher and sink licensed plumber to replace existing cast iron stack and licensed electrical contractor to update electrical service
Valuation:
$10,000
Permit #:
24BLD-03729
Status:
complete
Fee:
$181
Permit Type:
Occupancy
Building Type:
N/A
Lindbergh park-dig up and replace drinking fountain next to fenced garden at lindbergh park
Valuation:
$13,000
Permit #:
25PLU-05406
Status:
complete
Fee:
$85
Permit Type:
Replacement
Building Type:
N/A
Deer creek park - supply and install 10 gallon electric water heater in pan above the ceiling
Valuation:
$2,000
Permit #:
25PLU-01342
Status:
issued
Fee:
$85
Permit Type:
Replacement
Building Type:
N/A
Renovation of plumbing system for new opthalmology dialysis (wusm- school of medicine)
Valuation:
$500,000
Permit #:
22PLU-01984
Status:
complete
Fee:
$576
Permit Type:
Alteration
Building Type:
N/A
Hibbett sports - interior plumbing...working with building permit #25bld-02177
Valuation:
$8,000
Permit #:
25PLU-09890
Status:
complete
Fee:
$192
Permit Type:
Alteration
Building Type:
N/A
United rentals-break floor and replace approx. 30 of cast iron sanitary line with pvc
Valuation:
$3,000
Permit #:
25PLU-07017
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
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Merlo Plumbing Co Norman Merlo Reviews
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Verified License
BuildZoom confirmed this contractor's license
Merlo Plumbing Co Norman Merlo License info
Verified License
| License # | D7326 |
| Status | Active |
| County | St Louis County |
| Type | Drainlayer |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Merlo Plumbing Co Norman Merlo at 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 # | X0170 |
| Status | Active |
| County | St Louis County |
| Type | Mechanical |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Merlo Plumbing Co Norman Merlo at 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 # | D6171 |
| Status | Active |
| County | St Louis County |
| Type | Drainlayer |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Merlo Plumbing Co Norman Merlo 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 # | PLC5247556 |
| Status | Active |
| City | University City |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of Merlo Plumbing Co Norman Merlo with the City of University City
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | PLC5247556 |
| Status | Active |
| City | University City |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of November, 2020. Check the current license status of Merlo Plumbing Co Norman Merlo with the City of University City
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | PLC5247556 |
| Status | Active |
| City | University City |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of February, 2025. Check the current license status of Merlo Plumbing Co Norman Merlo 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 | Richmond Heights |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of Merlo Plumbing Co Norman Merlo with the City of Richmond Heights
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 Merlo Plumbing Co Norman Merlo 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 | Plumber |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Merlo Plumbing Co Norman Merlo 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 | Drainlayer |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Merlo Plumbing Co Norman Merlo 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 Merlo Plumbing Co Norman Merlo 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 # | 32301 |
| Status | Active |
| County | Jefferson County |
| Type | Drainlayer Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Merlo Plumbing Co Norman Merlo with the Jefferson County Building Division
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | M029 |
| 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 Merlo Plumbing Co Norman Merlo with the Jefferson County Building Division
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | P073 |
| Status | Active |
| County | Jefferson County |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Merlo Plumbing Co Norman Merlo with the Jefferson County Building Division
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | P5246 |
| 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 Merlo Plumbing Co Norman Merlo 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 | On Site Wastewater Treatment System Installer |
- 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 | On Site Sewage Disposal 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 | 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.
108
BuildZoom Score
3.7K
Permits
- Building permit records show that Merlo Plumbing Co Norman Merlo has worked on 3674 permitted projects.
Merlo Plumbing Co Norman Merlo Employees
KM
Ken Merlo
Owner
KM
Kenneth J Merlo
KM
Kenneth Merlo
Owner
MM
Merlo Plumbing Co Norman Merlo
Owner
NM
Norman Merlo
Owner
NM
Norman R Merlo