Updated: May 22, 2026
Location and Projects
Address
125 DELORD AVE., Maryland Heights, MO, 63043
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Danny Boy plumbing, LLC
Danny Boy plumbing, LLC, 125 Delord Ave, Maryland Heights, MO (Owned by: Daniel Cordia) holds a Plumber license and 1 other license according to the St Louis County license board.
Their BuildZoom score of 104 ranks in the top 9% of 23,328 Missouri licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Danny Boy plumbing, LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Danny Boy plumbing, LLC Services
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Danny Boy plumbing, LLC Contact Information
Phone Number: (314) 910-1808
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Address: 125 DELORD AVE., Maryland Heights, MO 63043
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Danny Boy plumbing, LLC Maryland Heights
Quality
104
91st percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Danny Boy plumbing, LLC has a BuildZoom score of 104, which places them above 91% of 23,328 contractors in Missouri.
Activity
|
7 projects
|
2025 |
|
8 projects
|
2024 |
|
5 projects
|
2023 |
Our building permit records indicate that Danny Boy plumbing, LLC has worked on at least
20.0 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
|
17 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Danny Boy plumbing, LLC mostly works on
plumbing project
projects.
Pricing
|
10 projects
|
< $5k |
|
4 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
The typical size of their permits is approximately $3,575. 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 Danny Boy plumbing, LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replacement of water heater with a 40 gallon state low profile water heater with gas water and flue revisions to accomodate. a pressure regulating valve shall be installed after main along with a zone valve to maintain proper pressure per code
Valuation:
$2,450
Permit #:
25PLU-00371
Status:
complete
Fee:
$94
Permit Type:
Replacement
Building Type:
N/A
Revision of water heater gas flue and water connections up to code revision of abs to pvc transition servicing shower up to code revision of kitchen copper waste arm to pvc tubular up to code replacement of prv to bring water pressure up to code
Valuation:
$2,500
Permit #:
24PLU-24173
Status:
complete
Fee:
$163
Permit Type:
Other
Building Type:
N/A
Replacement and revision of the kitchen drain in the ground. upsizing the line to 3 inch pvc from the main 4 inch cast iron drain in the basement floor to the existing 2 inch cast iron kitchen stack in basement. we will reconnect the kitchen with a full size cleanout and will be adding a proper laundry standpipe with a floor drain receptacle for emergency laundry malfunction. we are a... see more
Valuation:
$10,000
Permit #:
24PLU-10399
Status:
complete
Fee:
$145
Permit Type:
Replacement
Building Type:
N/A
Code enforcement revision of the kitchen/laundry stack from the basement up to the highest accessible point in the first floor wall to provide proper venting waste arm height and trap to accommodate the existing kitchen configuration as well as provide a drain branch with proper venting and trapping to accommodate the existing basement laundry washing machine
Valuation:
$2,200
Permit #:
24PLU-20566
Status:
complete
Fee:
$145
Permit Type:
Replacement
Building Type:
N/A
Revision of the dwv system to properly vent and trap first floor bathroom vanity laundry and shower. we will be taking the system from the main stack in basement up to the first floor wet wall in laundry room through to second floor closet wall and out through the roofline from attic space with minor wall intrusions on first and second floor. once wall repairs have been made we shall ... see more
Valuation:
$4,000
Permit #:
24PLU-00119
Status:
complete
Fee:
$222
Permit Type:
Miscellaneous work
Building Type:
N/A
Replacement of a 40 gallon water heater with a new 50 gallon state water heater. project to include new isolation valves expansion tank and minor revisions to gas flue and water to accommodate new install up to code
Valuation:
$2,450
Permit #:
24PLU-07584
Status:
complete
Fee:
$47
Permit Type:
Replacement
Building Type:
N/A
Rough- in and trim out: water and (partial) dwv system revision to accommodate first floor bathroom including a contoured shower base and single handle valve toilet and vanity; along with kitchen including single bowl dishwasher and refrigerator ice maker line (no disposal). adding a basement laundry for future use; stack vent and branch to be installed and put under water test for ro... see more
Valuation:
$5,000
Permit #:
23PLU-14124
Status:
complete
Fee:
$162
Permit Type:
Alteration
Building Type:
N/A
Plumbing residential plumbing
2025-09-08
Replacement of the stack and branches servicing the ne second floor bathroom group. stack being revised from basement floor to 4ft above second floor level
Valuation:
$6,850
Permit #:
25PLU-15960
Status:
issued
Fee:
$187
Permit Type:
Repair
Building Type:
N/A
Occupancy inspection found basement bathroom is unvented; owners have opted to eliminate the bathroom and abandon 1 basement toilet and 1 basement vanity. once fixtures have been removed water supply will be capped behind the wall and drains will be concrete closed
Valuation:
$600
Permit #:
23PLU-19139
Status:
complete
Fee:
$79
Permit Type:
Alteration
Building Type:
N/A
Kitchen and first floor bathroom remodel to include water revision from basement into first floor wet wall and dwv revision from the basement through the roof
Valuation:
$7,300
Permit #:
24PLU-06281
Status:
complete
Fee:
$192
Permit Type:
Replacement
Building Type:
N/A
Revision of the kitchen stack as needed to replace stack and waste arm servicing kitchen 2 bowl sink and disposal. ***no building scope***
Valuation:
$2,250
Permit #:
24PLU-18248
Status:
complete
Fee:
$133
Permit Type:
Repair
Building Type:
N/A
Building residential existing building (integrated/non-integrated)
2025-09-23
Remodel kitchen and three bathrooms
Valuation:
$60,000
Permit #:
25BLD-03801
Status:
complete
Fee:
$357
Permit Type:
Alteration
Building Type:
N/A
Remodeling master bathroom and bedroom
Valuation:
$28,756
Permit #:
25BLD-00155
Status:
issued
Fee:
$232
Permit Type:
Alteration
Building Type:
N/A
Undefined - e-permit
Valuation:
N/A
Permit #:
AMD-LP-011291
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Painting refinishing floors, kitchen and bathroom cabinets new fixtures
Valuation:
$20,000
Permit #:
22BLD-07835
Status:
complete
Fee:
$208
Permit Type:
Alteration
Building Type:
N/A
Undefined - e-permit
Valuation:
N/A
Permit #:
AMD-LP-001324
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Basement finish
Valuation:
$50,000
Permit #:
24BLD-05205
Status:
complete
Fee:
$316
Permit Type:
Interior finish
Building Type:
N/A
Replacement and minor revisions to replace 50 gallon water heater up to code as required by st. louis county
Valuation:
$2,200
Permit #:
23PLU-07592
Status:
complete
Fee:
$47
Permit Type:
Replacement
Building Type:
N/A
Code and application revisions to replace 50 gallon watwr heater in basement
Valuation:
$3,150
Permit #:
25PLU-22743
Status:
issued
Fee:
$47
Permit Type:
Replacement
Building Type:
N/A
Water heater replacement brought up to code
Valuation:
$2,850
Permit #:
25PLU-15870
Status:
complete
Fee:
$47
Permit Type:
Replacement
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Danny Boy plumbing, LLC License info
Verified License
| License # | P003540 |
| Status | Active |
| County | St Louis County |
| Type | Plumber |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Danny Boy plumbing, 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 # | PLC1775027 |
| Status | Active |
| City | University City |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2024. Check the current license status of Danny Boy plumbing, LLC with the City of University City
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
17
Permits
- Building permit records show that Danny Boy plumbing, LLC has worked on 17 permitted projects.
Danny Boy plumbing, LLC Employees
DC
Daniel Cordia
Owner
DC
Daniel P Cordia