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Location and Projects

Address
8169 BECKER ROAD, Bloomsdale, MO, 63627
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Certified Backflow Prevention, LLC Charles Winslow Plumber

Certified Backflow Prevention, LLC Charles Winslow, 8169 Becker Rd, Bloomsdale, MO (Owned by: WINSLOW, CHARLES) holds a Plumber license and 5 other licenses according to the St Louis County license board.

Their BuildZoom score of 106 ranks in the top 7% of 23,328 Missouri licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring Certified Backflow Prevention, LLC Charles Winslow, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.

Certified Backflow Prevention, LLC Charles Winslow Services

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Certified Backflow Prevention, LLC Charles Winslow Contact Information

Phone: (573) 701-6895 Edit
Address: 8169 BECKER ROAD, Bloomsdale, MO 63627 Edit

Certified Backflow Prevention, LLC Charles Winslow Bloomsdale

Quality

106
93rd percentile
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
Certified Backflow Prevention, LLC Charles Winslow has a BuildZoom score of 106, which places them above 93% of 23,328 contractors in Missouri.

Activity

13 projects
2025
18 projects
2024
13 projects
2023
Our building permit records indicate that Certified Backflow Prevention, LLC Charles Winslow has worked on at least 44.0 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.

Experience

43 projects
Plumbing projects
Analyzing permits over the last 4 years shows that Certified Backflow Prevention, LLC Charles Winslow mostly works on plumbing project projects.

Pricing

42 projects
< $5k
1 project
$5k-$20k
Value Not Public: 0 projects
The typical size of their permits is approximately $1,250. 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.

Building Permits by Certified Backflow Prevention, LLC Charles Winslow

Sort by: Notable Notable | Date Date | Job Value Job Value
Plumbing commercial backflow
2025-04-24
Eureka high school-went to repair device (serial #17343) but found that the internal components of the body of the device were damaged and could not be repaired. device needs to be replaced with a new 3 watts 909 device. device is the main domestic device at eureka high school on 4525 hwy 109 located in the right rear of the cafeteria in a closet
Valuation:
$8,100
Permit #:
25PLU-04413
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Plumbing commercial backflow
2025-07-31
During annual 2025 inspection at the schnucks on 1589 sierra vista plaza we found that device serial #116227 (1/2 watts 009 in deli kitchen) was installed by another contractor between the 2024 and 2025 inspection. st. louis county found there was no permit for this install. per st. louis county we are to apply for the permit for this install and make sure it is installed to code
Valuation:
$500
Permit #:
25PLU-10000
Status:
complete
Fee:
$79
Permit Type:
Other
Building Type:
N/A
Plumbing commercial backflow
2025-04-24
Geggie elementary rockwood schools-per st. louis county. according to bill branson with rockwood school district we have permission to apply for a permit for device serial #3129678 (1 wilkins 975) that was installed by others
Valuation:
$300
Permit #:
24PLU-24139
Status:
complete
Fee:
$79
Permit Type:
Other
Building Type:
N/A
Plumbing commercial backflow
2025-09-09
Lindbergh school district early childhood center has asked us to replaced serial #641891 3/4 watts 909 that serves the steam oven in their kitchen because there was lead found in it and the state is requiring them to replace with a lead-free device. we are going to replaced device with a lead-free 3/4 watts 909 at 4814 s lindbergh blvd
Valuation:
$5,000
Permit #:
25PLU-14762
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Plumbing residential backflow
2025-08-18
Received call from resident stating he spoke with st. louis county and was told the irrigation device he had installed by another contractor a couple years ago (1 febco 825y s/n j173627) was installed without a permit. per st. louis county we are to apply for the permit and visit the resident to make sure the device was installed per code. once completed we will schedule inspection
Valuation:
$500
Permit #:
25PLU-11698
Status:
complete
Fee:
$79
Permit Type:
Other
Building Type:
N/A
Plumbing commercial backflow
2025-04-24
Geggie elementary rockwood schools-replacement of damaged backflow serial #496963(3/4 watts 909) with new 3/4 watts 009 backflow device in boiler room at geggie elementary 430 bald hill rd
Valuation:
$2,000
Permit #:
24PLU-24142
Status:
complete
Fee:
$50
Permit Type:
Replacement
Building Type:
N/A
Plumbing commercial backflow
2025-10-21
Lafayette high school-per st. louis county we are to obtain a permit for permanent removal of serial #a10783 (1/2 watts 009) that served the pasta cooker at lafayette high school (17050 clayton rd) which was removed by another contractor without permit
Valuation:
$500
Permit #:
25PLU-19261
Status:
issued
Fee:
$79
Permit Type:
Other
Building Type:
N/A
Plumbing commercial backflow
2024-12-16
During our annual backflow inspection we found that 3/4 watts 009m3 serial #243252 in the deli was removed by another contractor. schnucks found there was no permit obtained for this replacement per st. louis county we are to obtain a permit for the replacement of this device
Valuation:
$1,550
Permit #:
24PLU-20637
Status:
complete
Fee:
$79
Permit Type:
Other
Building Type:
N/A
Plumbing residential backflow
2025-02-18
Received a call from tenant. device was removed by others in 2017 but since st. louis county switched to new system the device showed up as still active so the company that did removal did not obtain a permit. per st. louis county we are to apply for permit and make sure device was removed per code
Valuation:
$300
Permit #:
24PLU-18373
Status:
complete
Fee:
$79
Permit Type:
Other
Building Type:
N/A
Plumbing residential backflow
2024-08-21
Per st. louis county- serial #a03195 was replaced with serial #j126559 (3/4 febco 825y) by another contractor who did not pull a permit for the replacement. we were given permission to apply for the permit on this replacement. device is an irrigation device located on the left side of house outside
Valuation:
$200
Permit #:
24PLU-15695
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Plumbing commercial backflow
2024-08-13
Krispy kreme-per st. louis county-i am to apply for permit for the replacement of serial #123660 that was replaced by another contractor without pulling a permit. device was replaced with new 1/2 watts 009 serial #19764 at the krispy kremes in the mechanical room by the water heater
Valuation:
$150
Permit #:
24PLU-15141
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Plumbing residential backflow
2024-11-22
Customer at 6766 wynfield terrace dr replaced his old irrigation backflow with new 3/4 febco 825y serial #j014269 but did not obtain a permit. per st. louis county we are to obtain permit and make sure the device was replaced/installed to code
Valuation:
$500
Permit #:
24PLU-20718
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Plumbing commercial backflow
2025-08-25
1 wilkins 975xl serial #3574961 located outside the loading dock of the best buy to the right was stolen and the customer requests the device be replaced. will replace with new 1 wilkins 975xl2
Valuation:
$3,500
Permit #:
25PLU-12430
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Plumbing commercial backflow
2024-11-08
Red lobster-serial #j043238 was replaced with a new 1 wilkins 375 serial #ajag1597 by another contractor without a permit. device was not installed per code. customer wants us to return to fix device so that it is to code and attach a permit
Valuation:
$500
Permit #:
24PLU-20123
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Plumbing commercial backflow
2024-12-16
When plumbers did annual inspection there was a combo (steam) oven that did not have a backflow ran to it. it is located on the opposing wall of the other combo (steam) oven located in the deli. will need to install new 3/4 watts 009m3. there are 2 backflows
Valuation:
$1,550
Permit #:
24PLU-21268
Status:
complete
Fee:
$79
Permit Type:
Other
Building Type:
N/A
Plumbing commercial backflow
2024-03-01
St. louis priory - per st. louis priory facilities management they are requesting the permanent removal of the failed irrigation device serial #84508 on the old golf green (in-between switzer house and dining hall in flower bed)
Valuation:
$500
Permit #:
24PLU-04298
Status:
complete
Fee:
$79
Permit Type:
Other
Building Type:
N/A
Plumbing residential backflow
2025-07-08
Occupants requested the backflow device be removed as they do not utilize their irrigation system. need to remove 3/4 wilkins 975xl located on right side of the house outside
Valuation:
$500
Permit #:
25PLU-11406
Status:
complete
Fee:
$79
Permit Type:
Other
Building Type:
N/A
Plumbing commercial backflow
2024-10-25
Walmart-device serial #ac05360 was removed/stolen when performing yearly inspections. walmart is requesting to have a new device installed so that they will be compliant. will be installing a new 2 wilkins 975xl2
Valuation:
$3,000
Permit #:
24PLU-18398
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Plumbing commercial backflow
2024-02-05
Per st. louis co i am to apply for a permit for the removal of serial #81571 which was located on 500 s mason rd at the high school basement of the science wing. the device was destroyed during demolition
Valuation:
$500
Permit #:
24PLU-02232
Status:
complete
Fee:
$79
Permit Type:
Other
Building Type:
N/A
Plumbing commercial backflow
2023-11-03
**verified with jerrica at st louis co permitting dept** we are replacing a stolen commercial irrigation backflow device with a new one for city of chesterfield. it is located in the green area/median of clarkson rd between park forest dr and wilson rd/bow tree ct
Valuation:
$3,000
Permit #:
23PLU-19428
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A

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