Updated: Jun 16, 2026
Location and Projects
Address
6825 LEVELLAND RD #6B DALLAS, TX, Carrollton, TX, 75007
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Knell, William Plumber
Knell, William, 6825 Levelland Rd, Carrollton, TX (Employee: William Knell) holds a Plumbing license and 4 other licenses according to the Denton license board.
Their BuildZoom score of 97 ranks in the top 18% of 222,249 Texas licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Knell, William, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Knell, William Services
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Knell, William Contact Information
Phone Number: (972) 867-3541
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Address: 6825 LEVELLAND RD #6B DALLAS, TX, Carrollton, TX 75007
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Knell, William Carrollton
Quality
97
82nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Knell, William has a BuildZoom score of 97, which places them above 82% of 222,249 contractors in Texas.
Activity
|
3 projects
|
2025 |
|
2 projects
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that Knell, William has worked on at least
8.0 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
|
5 projects
|
Plumbing projects |
|
3 projects
|
Sewer laterals |
Analyzing permits over the last 4 years shows that Knell, William mostly works on
plumbing project
and sewer lateral
projects.
Pricing
|
1 project
|
< $5k |
|
5 projects
|
$5k-$20k |
The typical size of their permits is approximately $5,703. 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.
A 5ft outside tunnel and a 20ft outside tunnel to repair 2 sewer leaks
Valuation:
$15,650
Permit #:
BLD0925-00095
Status:
issued
Fee:
$63
Permit Type:
N/A
Building Type:
N/A
Repair cold water leak via 6ft tunnel
Valuation:
$5,320
Permit #:
PLM-2025-00457
Status:
issued
Fee:
$125
Permit Type:
N/A
Building Type:
N/A
5ft outside tunnel through dirt on the left side yard to repair a sewer leak
Valuation:
$4,950
Permit #:
PLMR24-11-033469
Status:
complete
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Sewer leak repairs by remoute kitchen/washer line out from under home by 80 ft trench
Valuation:
N/A
Permit #:
PLBG-23-0642
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$5,575
Permit #:
RES2023-1570
Status:
final
Fee:
$77
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$5,830
Permit #:
RES2024-1537
Status:
final
Fee:
$77
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$5,000
Permit #:
RES2023-5317
Status:
final
Fee:
$77
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$9,000
Permit #:
RES2023-2068
Status:
final
Fee:
$77
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
RES2022-6866
Status:
final
Fee:
$128
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
RES2022-5640
Status:
final
Fee:
$77
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
RES2021-4191
Status:
final
Fee:
$128
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
RES2021-3768
Status:
final
Fee:
$128
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
RES2021-1008
Status:
final
Fee:
$128
Permit Type:
N/A
Building Type:
N/A
Gas test only - apartment complex
Valuation:
N/A
Permit #:
PP07-13920
Status:
final
Fee:
$30
Permit Type:
N/A
Building Type:
N/A
Residence replace water supply line
Valuation:
N/A
Permit #:
PP02-09118
Status:
final
Fee:
$21
Permit Type:
General
Building Type:
N/A
Hv//res remodel-bathroom remodel
Valuation:
N/A
Permit #:
PP09-01745
Status:
final
Fee:
$30
Permit Type:
General
Building Type:
N/A
Water heater
Valuation:
N/A
Permit #:
PP06-22765
Status:
final
Fee:
$27
Permit Type:
General
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PP08-20179
Status:
final
Fee:
$30
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PP08-19753
Status:
final
Fee:
$30
Permit Type:
General
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PP08-13688
Status:
final
Fee:
$30
Permit Type:
General
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Knell, William License info
License Not Verified
| License # | 36207 |
| Status | Active |
| County | Denton |
| Type | Plumbing |
- When BuildZoom last verified this license, it had an expiration date of November, 2009. Check the current license status of Knell, William with the Denton County
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 37994 |
| Status | Active |
| State | Texas |
| Type | Plumber |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Knell, William at the Texas State Board of Plumbing Examiners.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | RP005220 |
| Status | Inactive |
| City | Fort Worth |
| Type | Plmb |
- According to the City of Fort Worth Planning and Development, 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 Knell, William at the City of Fort Worth Planning and Development.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | P006184 |
| Status | Inactive |
| City | Fort Worth |
| Type | Plmb |
- According to the City of Fort Worth Planning and Development, 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 Knell, William at the City of Fort Worth Planning and Development.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 36207 |
| Status | Inactive |
| State | Texas |
| Type | Plumber |
- According to the Texas State Board of Plumbing Examiners, 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 Knell, William at the Texas State Board of Plumbing Examiners.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
40
Permits
- Building permit records show that Knell, William has worked on 40 permitted projects.
Knell, William Employees
WK
William Knell