Updated: Jul 14, 2026
Location and Projects
Address
PO Box 825, Denton, TX, 76202
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Backflow Testing Service Construction
Serving Denton, Texas, Backflow Testing Service specializes in backflow prevention and testing for commercial and residential properties. With 26 years of experience in the industry, the company handles inspection, testing, and certification of backflow prevention assemblies to help property owners meet local regulatory compliance. Backflow Testing Service is equipped to work with a range of devices and backflow assemblies, ensuring protection of potable water supplies from potential contamination. The business caters to property managers, business owners, and homeowners seeking prompt and accurate backflow testing in Denton and surrounding areas. Drawing on decades of local experience, Backflow Testing Service provides a thorough understanding of municipal requirements and offers documentation for city records upon completion of testing services.
Backflow Testing Service Services
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Backflow Testing Service Contact Information
Phone Number: (940) 383-2000
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Address: PO Box 825, Denton, TX 76202
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Building Permits by Backflow Testing Service
This is a sample of this contractor's permits. Click here to access their complete permit history.
1 passed test
Valuation:
N/A
Permit #:
24-03434
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
4 back flow tests
Valuation:
N/A
Permit #:
19-03038
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
4 backflow tests @ 790 n i-35e (ihop)
Valuation:
N/A
Permit #:
18-03243
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Bf
Valuation:
N/A
Permit #:
18-06549
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(1) passed backflow report @ 2500 w pleasant run rd ste. 200 -- regional dialysis center
Valuation:
N/A
Permit #:
21-01345
Status:
issued
Fee:
$25
Permit Type:
N/A
Building Type:
N/A
2500 w pleasant run ste 200 equipment room main line
Valuation:
N/A
Permit #:
22-01713
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Back flow test report @ 2500 w pleasant run rd ste 200 (regional dialysis center of lancaster)
Valuation:
N/A
Permit #:
19-02759
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(1) passed backflow report - 2500 w pleasant run rd ste 200 (regional dialysis center)
Valuation:
N/A
Permit #:
20-01619
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Assigned to staff: susan hernandez description: new irrigation system - front part of lot around house only
Valuation:
N/A
Permit #:
IRRG10-1733
Status:
complete
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Assigned to staff: susan hernandez description: new irrigation system
Valuation:
N/A
Permit #:
IRRG10-1497
Status:
complete
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Drill irrigation well for new denton isd middle school
Valuation:
N/A
Permit #:
WW21-0003
Status:
final
Fee:
$187
Permit Type:
N/A
Building Type:
N/A
Install rpz on main line
Valuation:
N/A
Permit #:
PL18-0072
Status:
final
Fee:
$31
Permit Type:
Commercial
Building Type:
N/A
Back flow test
Valuation:
N/A
Permit #:
13-00711
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
24"x16" projecting sign | "circle r western wear" (applicant: waters sign co****(hold), original gds id # p000000947)
Valuation:
N/A
Permit #:
00-00947
Status:
Archived Complete
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
1 back flow device 40 drips
Valuation:
N/A
Permit #:
BIRR17-00601
Status:
complete
Fee:
$83
Permit Type:
N/A
Building Type:
N/A
4 backflow tests
Valuation:
N/A
Permit #:
17-02616
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace double check valve -
Valuation:
$500
Permit #:
BKFLO-170217-0319
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Wall sign | "emerald" (applicant: m signs, inc., original gds id # p030002192)
Valuation:
N/A
Permit #:
03-02192
Status:
Archived Complete
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Replace double check valve
Valuation:
$500
Permit #:
BKFLO-170421-0836
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace double check valve
Valuation:
$500
Permit #:
BKFLO-170407-0737
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
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Backflow Testing Service License info
Verified License
| License # | C17358 |
| Status | Active |
| County | Denton |
| Type | Bpat |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Backflow Testing Service at the Denton County.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Decatur |
| Type | Backflow Contractor |
- When BuildZoom last verified this license, it had an expiration date of April, 2026. Check the current license status of Backflow Testing Service with the City of Decatur
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CR-2024--0009 |
| Status | Active |
| Type | Contractor Registration |
| Date Issued | 09-09-2025 |
- BuildZoom verified this license was active as of March 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CR-BT-24-0009 |
| Status | Active |
| City | Decatur |
| Type | Backflow Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Backflow Testing Service at the City of Decatur.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 25-000235 |
| Status | Active |
| City | Gainesville |
| Type | Backflow Inspector |
| Date Issued | 10-21-2025 |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Backflow Testing Service at the City of Gainesville.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CR-BT-24-0023 |
| Status | Active |
| City | Decatur |
- When BuildZoom last verified this license, it had an expiration date of October, 2025. Check the current license status of Backflow Testing Service with the City of Decatur
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Verified License
| Status | Active |
| Town | Litttle Elm |
| Type | Customer Service Inspector |
| Date Issued | 11-24-2025 |
- BuildZoom verified this license was active as of July 2026.
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 # | 25-000132 |
| Status | Active |
| City | Texarkana |
| Type | General Contractor |
- When BuildZoom last verified this license, it had an expiration date of April, 2026. Check the current license status of Backflow Testing Service with the City of Texarkana
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License Not Verified
| License # | 25-000109 |
| Status | Active |
| City | Texarkana |
| Type | General Contractor |
- When BuildZoom last verified this license, it had an expiration date of April, 2026. Check the current license status of Backflow Testing Service with the City of Texarkana
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Verified License
| Status | Active |
| City | Texarkana |
| Type | General Contractor |
- BuildZoom verified this license was active as of June 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 211326 |
| Status | Active |
| City | Texarkana |
| Type | General Contractor |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Backflow Testing Service at the City of Texarkana.
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License Not Verified
| Status | Active |
| Town | Litttle Elm |
| Type | Backflow Tester |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of Backflow Testing Service with the Town of Little Elm
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License Not Verified
| License # | 24-077195 |
| Status | Active |
| City | Lancaster |
| Type | Backflow Contractor |
- When BuildZoom last verified this license, it had an expiration date of July, 2026. Check the current license status of Backflow Testing Service with the City of Lancaster
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License Not Verified
| License # | BI4096619 |
| Status | Active |
| City | Gainesville |
| Type | Backflow Inspector |
- When BuildZoom last verified this license, it had an expiration date of October, 2021. Check the current license status of Backflow Testing Service with the City of Gainesville
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License Not Verified
| License # | BF5977195 |
| Status | Active |
| City | Lancaster |
| Type | Backflow Contractor |
- When BuildZoom last verified this license, it had an expiration date of July, 2025. Check the current license status of Backflow Testing Service with the City of Lancaster
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License Not Verified
| License # | GEN2255051 |
| Status | Active |
| City | Duncanville |
| Type | General Contractor |
- When BuildZoom last verified this license, it had an expiration date of October, 2024. Check the current license status of Backflow Testing Service with the City of Duncanville
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License Not Verified
| License # | BT2594164 |
| Status | Active |
| Town | Litttle Elm |
| Type | Backflow Tester |
- When BuildZoom last verified this license, it had an expiration date of September, 2024. Check the current license status of Backflow Testing Service with the Town of Little Elm
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License Not Verified
| License # | BT9863628 |
| Status | Active |
| Town | Litttle Elm |
| Type | Backflow Tester |
- When BuildZoom last verified this license, it had an expiration date of January, 2025. Check the current license status of Backflow Testing Service with the Town of Little Elm
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License Not Verified
| License # | BT3001181 |
| Status | Active |
| Town | Litttle Elm |
| Type | Backflow Tester |
- When BuildZoom last verified this license, it had an expiration date of January, 2025. Check the current license status of Backflow Testing Service with the Town of Little Elm
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License Not Verified
| License # | BT6776491 |
| Status | Active |
| Town | Litttle Elm |
| Type | Backflow Tester |
- When BuildZoom last verified this license, it had an expiration date of May, 2022. Check the current license status of Backflow Testing Service with the Town of Little Elm
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License Not Verified
| License # | BT6836438 |
| Status | Active |
| Town | Litttle Elm |
| Type | Backflow Tester |
- When BuildZoom last verified this license, it had an expiration date of January, 2025. Check the current license status of Backflow Testing Service with the Town of Little Elm
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License Not Verified
| License # | BT3413112 |
| Status | Active |
| Town | Litttle Elm |
| Type | Backflow Tester |
- When BuildZoom last verified this license, it had an expiration date of December, 2021. Check the current license status of Backflow Testing Service with the Town of Little Elm
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License Not Verified
| License # | BKFL8769796 |
| Status | Active |
| City | Farmers Branch |
| Type | Backflow Contractor |
- When BuildZoom last verified this license, it had an expiration date of January, 2023. Check the current license status of Backflow Testing Service with the City of Farmers Branch
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License Not Verified
| License # | BF1318151 |
| Status | Active |
| City | Lancaster |
| Type | Backflow Contractor |
- When BuildZoom last verified this license, it had an expiration date of September, 2022. Check the current license status of Backflow Testing Service with the City of Lancaster
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License Not Verified
| Status | Active |
| City | Celina |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Backflow Testing Service with the City of Celina
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License Not Verified
| Status | Active |
| City | Celina |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Backflow Testing Service with the City of Celina
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License Not Verified
| License # | BFT0480654 |
| Status | Active |
| City | Corinth |
| Type | Backflow Tester |
- When BuildZoom last verified this license, it had an expiration date of July, 2018. Check the current license status of Backflow Testing Service with the City of Corinth
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License Not Verified
| License # | BI8691502 |
| Status | Active |
| City | Gainesville |
| Type | Backflow Inspector |
- When BuildZoom last verified this license, it had an expiration date of March, 2021. Check the current license status of Backflow Testing Service with the City of Gainesville
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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.
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Unverified License
| License # | AEC-3228 |
| Status | Unable To Verify |
| Town | Flower Mound |
| Type | Contractors |
- BuildZoom was not able to verify this license with the licensing board
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Inactive License
| License # | 24-000226 |
| Status | Inactive |
| City | Gainesville |
| Type | General Contractor |
- According to the City of Gainesville, 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 Backflow Testing Service at the City of Gainesville.
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Inactive License
| License # | 23-000201 |
| Status | Inactive |
| City | Gainesville |
| Type | Backflow Inspector |
- According to the City of Gainesville, 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.
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Inactive License
| License # | 21-083268 |
| Status | Inactive |
| City | Gainesville |
| Type | Backflow Inspector |
- According to the City of Gainesville, 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.
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Inactive License
| License # | 20-091502 |
| Status | Inactive |
| City | Gainesville |
| Type | Backflow Inspector |
- According to the City of Gainesville, 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.
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Inactive License
| License # | 20-096619 |
| Status | Inactive |
| City | Gainesville |
| Type | Backflow Inspector |
- According to the City of Gainesville, 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.
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Inactive License
| License # | 11-090928 |
| Status | Inactive |
| City | Gainesville |
| Type | Backflow Inspector |
- According to the City of Gainesville, 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.
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Inactive License
| License # | BI8890928 |
| Status | Inactive |
| City | Gainesville |
| Type | Backflow Inspector |
- According to the City of Gainesville, 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.
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Inactive License
| License # | GSP0223442 |
| Status | Inactive |
| Town | Litttle Elm |
| Type | Garage Sale Permit |
- According to the Town of Little Elm, 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 Backflow Testing Service at the Town of Little Elm.
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Inactive License
| License # | GSP5604170 |
| Status | Inactive |
| Town | Litttle Elm |
| Type | Garage Sale Permit |
- According to the Town of Little Elm, 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.
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Inactive License
| License # | BT3373944 |
| Status | Inactive |
| Town | Litttle Elm |
| Type | Backflow Tester |
- According to the Town of Little Elm, 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.
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Inactive License
| License # | BT4227927 |
| Status | Inactive |
| Town | Litttle Elm |
| Type | Backflow Tester |
- According to the Town of Little Elm, 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.
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Inactive License
| License # | BT2729791 |
| Status | Inactive |
| Town | Litttle Elm |
| Type | Backflow Tester |
- According to the Town of Little Elm, 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.
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Inactive License
| License # | BT0118632 |
| Status | Inactive |
| Town | Litttle Elm |
| Type | Backflow Tester |
- According to the Town of Little Elm, 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.
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Inactive License
| License # | BFI0005657 |
| Status | Inactive |
| City | Wichita Falls |
| Type | Backflow Contractor |
- According to the City of Wichita Falls, 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.
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Inactive License
| License # | BT7223239 |
| Status | Inactive |
| Town | Litttle Elm |
| Type | Backflow Tester |
- According to the Town of Little Elm, 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.
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Inactive License
| License # | IBF7801192 |
| Status | Inactive |
| County | Denton |
| Type | Irrigation / Backflow Contractor |
- According to the Denton County, 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 Backflow Testing Service at the Denton County.
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Inactive License
| License # | BF0335198 |
| Status | Inactive |
| City | Lancaster |
| Type | Backflow Tester |
- 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 Backflow Testing Service at the City of Lancaster.
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Inactive License
| License # | BT2594749 |
| Status | Inactive |
| Town | Litttle Elm |
| Type | Backflow Tester |
- According to the Town of Little Elm, 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 Backflow Testing Service at the Town of Little Elm.
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Inactive License
| License # | BACK2501878 |
| Status | Inactive |
| City | Celina |
| Type | Backflow Contractor |
- According to the City of Celina, 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.
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Inactive License
| Status | Inactive |
| City | Allen |
| Type | Backflow Tester Contractors |
- According to the City of Allen, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2862 |
| Status | Inactive |
| City | Allen |
| Type | Backflow Tester Contractor |
- According to the City of Allen, 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 Backflow Testing Service at the City of Allen, TX.
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Inactive License
| License # | AEC3390 |
| Status | Inactive |
| Town | Prosper |
| Type | Contractor |
- According to the The Town of Prosper, 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 Backflow Testing Service at the The Town of Prosper, TX.
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Unverified License
| License # | 3228 |
| Status | Unable To Verify |
| Town | Flower Mound |
| Type | Contractors, Backflow Tester |
- BuildZoom was not able to verify this license with the licensing board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 16-LP-00397 |
| Status | Inactive |
| City | El Paso |
| Type | Contractor Irrigation |
- According to the City of El Paso, Texas, 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 Backflow Testing Service at the City of El Paso, Texas.
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Inactive License
| License # | AEC2828 |
| Status | Inactive |
| Town | Prosper |
| Type | Contractor |
- According to the The Town of Prosper, 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 Backflow Testing Service at the The Town of Prosper, TX.
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Inactive License
| License # | AEC151 |
| Status | Inactive |
| Town | Prosper |
| Type | Contractor |
- According to the The Town of Prosper, 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 Backflow Testing Service at the The Town of Prosper, TX.
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97
BuildZoom Score
Insured
| Insurer | Elevate Protection Group |
40
Permits
- Building permit records show that Backflow Testing Service has worked on 40 permitted projects.
Backflow Testing Service Employees
BT
Backflow Testing
Owner
CJ
Chaeles Johnson
Owner
CJ
Charles Johnson
Owner
CS
Charles R Smith
Owner
CS
Charles R. Smith
Owner
CS
Charles Smith
Owner
GR
George Rae
Owner
GF
Gerorge Flores
Owner
JJ
Jerry D Jones
Owner
JJ
Jerry Jones
Owner
JC
Johnson, Chalres
Licensee
RE
Rae, George Edward
Contractor