Updated: Jun 01, 2026
Location and Projects
Address
259 ranch trl, Rockwall, TX, 75032
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Complete Backflow Services Company Plumber
Complete Backflow Services Company LLC, 259 Ranch Trl, Rockwall, TX (Owned by: Walter Cornwell) holds a Plumbing license and 20 other licenses according to the Denton license board.
Their BuildZoom score of 104 ranks in the top 9% of 222,249 Texas licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Complete Backflow Services Company LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Complete Backflow Services Company LLC Services
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Complete Backflow Services Company LLC Contact Information
Phone Number: (972) 722-2408
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Address: 259 ranch trl, Rockwall, TX 75032
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Complete Backflow Services Company LLC Rockwall
Quality
104
91st percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Complete Backflow Services Company LLC has a BuildZoom score of 104, which places them above 91% of 222,249 contractors in Texas.
Activity
|
27 projects
|
2025 |
|
15 projects
|
2024 |
Our building permit records indicate that Complete Backflow Services Company LLC has worked on at least
42.0 projects over the past 2 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
|
5 projects
|
Home Additions |
|
3 projects
|
Commercial Renovations |
|
40 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Complete Backflow Services Company LLC mostly works on
plumbing project
and home addition
projects.
Pricing
|
4 projects
|
< $5k |
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 Complete Backflow Services Company LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Excavate around existing dc #h21884 at meter shut down water to remove the valve box and failed backflow. *install new isolation valve and wye strainer with 2 double check valve and restore service to the building. *install new valve box and backfill dirt
Valuation:
$4,031
Permit #:
003368-2024-CMISC
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace all 4 double check valves to domestic and irrigation
Valuation:
N/A
Permit #:
PC0525-3028
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace irrigation backflow device by dumpster
Valuation:
$1,500
Permit #:
2504-1016
Status:
final
Fee:
$50
Permit Type:
Irrigation
Building Type:
N/A
Replace 1 rpz on main line in hot box at meter. insulate piping and addition an insulation bag for freeze protection
Valuation:
N/A
Permit #:
PC0924-2767
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace 3/4” bypass backflow
Valuation:
$2,411
Permit #:
001569-2025-CMISC
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PP25-08345
Status:
final
Fee:
$248
Permit Type:
Backflow
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PP25-07303
Status:
final
Fee:
$148
Permit Type:
Backflow
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PP25-02695
Status:
final
Fee:
$448
Permit Type:
Backflow
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PP25-03739
Status:
final
Fee:
$148
Permit Type:
Backflow
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PP25-03055
Status:
final
Fee:
$148
Permit Type:
Backflow
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PP25-02619
Status:
final
Fee:
$148
Permit Type:
Backflow
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PP25-02315
Status:
final
Fee:
$148
Permit Type:
Backflow
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PP25-01326
Status:
final
Fee:
$180
Permit Type:
Backflow
Building Type:
N/A
Double check valve replacement on residential irrigation system
Valuation:
N/A
Permit #:
22-01560
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove and replace rpz on irrigation
Valuation:
N/A
Permit #:
IRB25-00112
Status:
complete
Fee:
$38
Permit Type:
Commercial
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PP24-22259
Status:
final
Fee:
$148
Permit Type:
Backflow
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PP24-22334
Status:
final
Fee:
$348
Permit Type:
Backflow
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
L24-01178
Status:
complete
Fee:
$38
Permit Type:
Alter and addition
Building Type:
N/A
Replace 1” rpz on irrigation
Valuation:
$0
Permit #:
PC0625-3036
Status:
expired
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Replace rpz at pool equipment
Valuation:
N/A
Permit #:
L24-00369
Status:
complete
Fee:
$38
Permit Type:
Alter and addition
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Complete Backflow Services Company LLC License info
Verified License
| License # | C15795 |
| Status | Active |
| County | Denton |
| Type | Plumbing |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Complete Backflow Services Company LLC at the Denton County.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | C15795 |
| Status | Active |
| County | Denton |
| Type | Plumbing |
- When BuildZoom last verified this license, it had an expiration date of April, 2026. Check the current license status of Complete Backflow Services Company LLC with the Denton County
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | C12863 |
| Status | Active |
| County | Denton |
| Type | Fire |
- When BuildZoom last verified this license, it had an expiration date of January, 2025. Check the current license status of Complete Backflow Services Company LLC with the Denton County
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | C12102 |
| Status | Active |
| County | Denton |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of October, 2022. Check the current license status of Complete Backflow Services Company LLC with the Denton County
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| Town | Litttle Elm |
| Type | Backflow Tester |
| Date Issued | 02-11-2026 |
- BuildZoom verified this license was active as of May 2026.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CR-BT-25-0430 |
| Status | Active |
| City | Decatur |
| Type | Backflow Contractor |
- When BuildZoom last verified this license, it had an expiration date of February, 2026. Check the current license status of Complete Backflow Services Company LLC with the City of Decatur
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CR-BT-24-0021 |
| Status | Active |
| City | Decatur |
| Type | Backflow Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Complete Backflow Services Company LLC at the City of Decatur.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Terrel |
| Type | Construction Contractors |
- BuildZoom verified this license was active as of February 2026.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | BF1396212 |
| Status | Active |
| City | Lancaster |
| Type | Backflow Contractor |
- When BuildZoom last verified this license, it had an expiration date of June, 2023. Check the current license status of Complete Backflow Services Company LLC with the City of Lancaster
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 0443 |
| Status | Active |
| City | Terrel |
| Type | Backflow Contractor |
- When BuildZoom last verified this license, it had an expiration date of July, 2023. Check the current license status of Complete Backflow Services Company LLC with the City of Terrell
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Decatur |
| Type | Backflow Contractor |
- According to the City of Decatur, 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
| License # | 23-040744 |
| Status | Inactive |
| City | Lancaster |
| Type | Backflow Contractor |
- According to the City of Lancaster, 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 Complete Backflow Services Company LLC at the City of Lancaster.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Terrel |
| Type | Construction Contractors |
- According to the City of Terrell, 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
| License # | AEC23805 |
| Status | Inactive |
| Town | Flower Mound |
| Type | Plumbing |
- According to the Flower Mound Department of Building Inspections, 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 Complete Backflow Services Company LLC at the Flower Mound Department of Building Inspections.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | R22-0903 |
| Status | Inactive |
| City | Frisco |
| Type | Public Works |
- According to the The City of Frisco, TX, 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 Complete Backflow Services Company LLC at the The City of Frisco, TX.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | R22-2420 |
| Status | Inactive |
| City | Frisco |
| Type | Building |
| Date Issued | 07-21-2025 |
- According to the The City of Frisco, TX, 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 Complete Backflow Services Company LLC at the The City of Frisco, TX.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 23-097840 |
| Status | Inactive |
| City | Aledo |
| Type | Backflow Prevention Tester |
- According to the City of Aledo, 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 Complete Backflow Services Company LLC at the City of Aledo.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 23-000042 |
| Status | Inactive |
| City | Roanoke |
| Type | General Contractor |
- According to the City of Roanoke, 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 Complete Backflow Services Company LLC at the City of Roanoke.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 23-035472 |
| Status | Inactive |
| City | Lancaster |
| Type | Backflow Contractor |
- According to the City of Lancaster, 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 Complete Backflow Services Company LLC at the City of Lancaster.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 85325505 |
| Status | Inactive |
| City | Terrel |
| Type | Insurance Policy |
- According to the City of Terrell, 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 Complete Backflow Services Company LLC at the City of Terrell.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2023 073119 000 00 BR |
| Status | Inactive |
| City | Arlington |
| Type | Plumbing Contractor |
- According to the City of Arlington, TX, 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 Complete Backflow Services Company LLC at the City of Arlington, TX.
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
45
Permits
- Building permit records show that Complete Backflow Services Company LLC has worked on 45 permitted projects.
Complete Backflow Services Company LLC Employees
CL
Complete Backflow Service Company Llc
JC
Jose Celis
MM
Matt Moorman
MM
Matthew Moorman
MK
Moses Kemp
RM
Ryan Moorman
WC
Walter Cornwell
Owner
WC
Walter Douglas Cornwell
Owner