Updated: Jun 24, 2026
Location and Projects
Address
4950 Bischoff Ave, Saint Louis, MO, 63110
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Gmp plumbing
Gmp plumbing, 4950 Bischoff Ave, St. Louis, MO holds a Plumber license and 7 other licenses according to the St Louis County license board.
Their BuildZoom score of 111 ranks in the top 4% of 23,328 Missouri licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Gmp plumbing, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Gmp plumbing Services
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Gmp plumbing Contact Information
Phone Number: (636) 464-2221
Address: 4950 Bischoff Ave, St. Louis, MO 63110
Gmp plumbing St. Louis
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Gmp plumbing has a BuildZoom score of 111, which places them above 96% of 23,328 contractors in Missouri.
Activity
|
59 projects
|
2025 |
|
77 projects
|
2024 |
|
61 projects
|
2023 |
Our building permit records indicate that Gmp plumbing has worked on at least
197.0 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
|
14 projects
|
Home Additions |
|
9 projects
|
New Constructions |
|
5 projects
|
Commercial Renovations |
|
187 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Gmp plumbing mostly works on
plumbing project
and home addition
projects.
Pricing
|
97 projects
|
< $5k |
|
26 projects
|
$5k-$20k |
|
23 projects
|
$20k-$50k |
|
27 projects
|
$50k-$100k |
|
9 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
The typical size of their permits is approximately $2,848. 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 residential existing building (integrated/non-integrated)
2025-03-14
(fire damage) restore residence due to a fire in the basement main electrical panel. detailed scope of work attached
Valuation:
$159,000
Permit #:
25BLD-01215
Status:
issued
Fee:
$914
Permit Type:
Fire-storm
Building Type:
N/A
Planet fitness - please reference stl county building permit 24bld-02449. this is a remodel of plumbing for a new planet fitness. plan review approved plumbing for the general contractor on 5-29-2024
Valuation:
$125,000
Permit #:
24PLU-14861
Status:
complete
Fee:
$527
Permit Type:
Alteration
Building Type:
N/A
(bang salon) please reference richmond heights building permit 25-001267 this is for bang salon suite 620. when pulling the permit the unit would not show and stl county told me to reference it here
Valuation:
$7,500
Permit #:
25PLU-19586
Status:
issued
Fee:
$195
Permit Type:
Alteration
Building Type:
N/A
Lutheran south high school-plumbing alteration- please reference building permit 25bld-03177
Valuation:
$127,000
Permit #:
25PLU-10955
Status:
complete
Fee:
$377
Permit Type:
Alteration
Building Type:
N/A
***this scope of work requires plumbing plan review. please submit plans to our online permitting portal for more information on how to submit plans please go to our website at https://stlouiscountymo.gov/st-louis-county-departments/transportation-and-public-works/electronic-plan-review/.***paris baguette-plumbing alteration to existing space for new paris baguette. building permit wi... see more
Valuation:
$93,000
Permit #:
25PLU-17123
Status:
canceled
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Jefferson barracks visitor center-installing two water heaters 2 water coolers and one kitchen sink. please reference building permit 24bld-00382
Valuation:
$14,000
Permit #:
25PLU-00314
Status:
complete
Fee:
$186
Permit Type:
Replacement
Building Type:
N/A
(fire damage) we are removing and replacing a section of the floor joists and subfloor all electric all plumbing all hvac all drywall all insulation all flooring
Valuation:
$168,000
Permit #:
24BLD-01233
Status:
complete
Fee:
$1,049
Permit Type:
Fire-storm
Building Type:
N/A
(accelerated plan review) ( red key realty) addition of break room sink and 1/2 bathroom with floor drain new 20 gallon electric water heater
Valuation:
$8,500
Permit #:
25PLU-02313
Status:
complete
Fee:
$351
Permit Type:
Alteration
Building Type:
N/A
Reroute hot and cold water lines to interior from outside wall reset toilet and lavatory 1st floor bathroom and reset kitchen sink dishwasher and disposal in same location due to mold remediation on 1st floor only install new water heater
Valuation:
$6,500
Permit #:
23PLU-09089
Status:
complete
Fee:
$162
Permit Type:
Alteration
Building Type:
N/A
***please resubmit and reference the st louis county permit number that the plumbing was approved under. if there isn't one plans mudt be submitted to our online permitting portal thank you!!***please reference richmond heights building permit 25-001267. this is for suite 620 bang salon- when pulling the permit the suite did not show i told stl county they said to note this
Valuation:
$7,500
Permit #:
25PLU-19476
Status:
canceled
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
West borough country club-replacement of water heaters and storage tanks and instal expansion tanks
Valuation:
$70,000
Permit #:
25PLU-03219
Status:
complete
Fee:
$591
Permit Type:
Replacement
Building Type:
N/A
Full house gut and remodel remove and replace everything attached to drywall and all drywall and insulation
Valuation:
$60,000
Permit #:
24BLD-08191
Status:
complete
Fee:
$451
Permit Type:
Interior finish
Building Type:
N/A
Fabletics - adding (1) mop sink faucet and 6 gallon electric water heater refernce des peres building permit #240650
Valuation:
$27,748
Permit #:
25PLU-04866
Status:
complete
Fee:
$185
Permit Type:
Alteration
Building Type:
N/A
Schultz law-addition of kitchen sink in break room connected to existing waste stack on 1st floor and vent on 2nd floor connect to existing hot and cold water in building reference maryland heights building permit 24-1988
Valuation:
$6,000
Permit #:
24PLU-24005
Status:
complete
Fee:
$132
Permit Type:
Alteration
Building Type:
N/A
Camp bow wow new tennant plumbing for dog facility new bathrooms water heater break room and dog wash tubs ect refer to building permit 23bld-09191
Valuation:
$139,061
Permit #:
24PLU-06590
Status:
issued
Fee:
$377
Permit Type:
Alteration
Building Type:
N/A
( paris baguette) plumbing alteration to existing space for new paris baguette building permit with olievette is p2023-0391
Valuation:
$93,000
Permit #:
25PLU-17282
Status:
revisions requested
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
(qpr) water heater replacement and partial stack and all underslab cast iron with schedule 40 pvc and addition floor drain and install sump pump in basement
Valuation:
$18,710
Permit #:
PL25-000292
Status:
complete
Fee:
N/A
Permit Type:
Single family alt...
Building Type:
N/A
Main stack replacement from cleanout in basement to lavatory arm in wall pulled and reset toilet new tub trap
Valuation:
$600
Permit #:
25PLU-03539
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
***please resubmit as 2 seperate water heater permits with the work description saying 1 of 2 and 2 of 2. unless this is a hot water system. if it is a hot water system please resubmit as a regular plumbing permit and refer to it as a hot water system thank you!!***replace of two 50 gallon water heaters
Valuation:
$1
Permit #:
23PLU-12425
Status:
canceled
Fee:
N/A
Permit Type:
Replacement
Building Type:
N/A
Partial stack replace for relocation of (1) toilet, (2) lavatory sinks & (1) shower on 2nd floor and new hot and cold water supply to 2nd floor bathroom re-plumbing kitchen drain on 1st floor and new hot and cold water supply to 1st floor half bathroom lavatory and kitchen also install (1) new outside freeze proof faucet
Valuation:
$10,500
Permit #:
22PLU-04969
Status:
complete
Fee:
$162
Permit Type:
Alteration
Building Type:
N/A
Gmp plumbing Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Gmp plumbing License info
Verified License
| License # | P10173 |
| Status | Active |
| County | St Louis County |
| Type | Plumber |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Gmp plumbing 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 # | D10173 |
| Status | Active |
| County | St Louis County |
| Type | Drainlayer |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Gmp plumbing 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 # | PLC7026608 |
| 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 Gmp plumbing with the City of University City
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | PLC7026608 |
| 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 Gmp plumbing with the City of University City
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | PLC7026608 |
| Status | Active |
| City | University City |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Gmp plumbing 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 |
| 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 Gmp plumbing 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 Required
| Status | Not Required |
- BuildZoom verified in August, 2018 that this contractor does not need a license to be a plumber 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 | Plumbers |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Gmp plumbing with the Saint Louis County Department of Public Works
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
395
Permits
- Building permit records show that Gmp plumbing has worked on 395 permitted projects.