Updated: Apr 26, 2026
Location and Projects
Address
Hampstead, MD, 21074
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John L. Walker Plumber
John L. Walker, Hampstead, MD holds a Plumbers license and 2 other licenses according to the Maryland license board.
Their BuildZoom score of 92 ranks in the top 32% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring John L. Walker, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
John L. Walker Services
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John L. Walker Contact Information
Phone Number: (410) 799-8844
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Sewer lateral - replaced (residential only)/water service - repair/water service - cap-off
Valuation:
N/A
Permit #:
SFP-1259759-2019
Status:
final
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Septic line - repair/replaced
Valuation:
N/A
Permit #:
SFP-1332398-2021
Status:
final
Fee:
$113
Permit Type:
N/A
Building Type:
N/A
Septic line - repair/replaced
Valuation:
N/A
Permit #:
SFP-1332300-2021
Status:
final
Fee:
$113
Permit Type:
N/A
Building Type:
N/A
Repair 10 ft of sewer line
Valuation:
N/A
Permit #:
PWS-200443
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Sewer lateral - replaced (residential only)
Valuation:
N/A
Permit #:
SFP-1285172-2019
Status:
final
Fee:
$103
Permit Type:
N/A
Building Type:
N/A
Sewer lateral - replaced (residential only)
Valuation:
N/A
Permit #:
SFP-1285171-2019
Status:
final
Fee:
$103
Permit Type:
N/A
Building Type:
N/A
Sewer lateral - replaced (residential only)
Valuation:
N/A
Permit #:
SFP-1285547-2020
Status:
final
Fee:
$103
Permit Type:
N/A
Building Type:
N/A
Water service - replaced (residential only)
Valuation:
N/A
Permit #:
SFP-1286300-2020
Status:
final
Fee:
$103
Permit Type:
N/A
Building Type:
N/A
Sewer lateral - replaced (residential only)
Valuation:
N/A
Permit #:
SFP-1286423-2020
Status:
final
Fee:
$103
Permit Type:
N/A
Building Type:
N/A
Water service - replaced (residential only)
Valuation:
N/A
Permit #:
SFP-1286690-2020
Status:
expired
Fee:
$103
Permit Type:
N/A
Building Type:
N/A
Water service - repair
Valuation:
N/A
Permit #:
SFP-1331941-2021
Status:
final
Fee:
$113
Permit Type:
N/A
Building Type:
N/A
Water service - repair
Valuation:
N/A
Permit #:
SFP-1331678-2021
Status:
final
Fee:
$113
Permit Type:
N/A
Building Type:
N/A
Sewer lateral - repair
Valuation:
N/A
Permit #:
SFP-1331615-2021
Status:
final
Fee:
$113
Permit Type:
N/A
Building Type:
N/A
Sewer lateral - replaced (residential only)/water service - repair
Valuation:
N/A
Permit #:
SFP-1249698-2019
Status:
final
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Sewer lateral - replaced (residential only)/water service - repair
Valuation:
N/A
Permit #:
SFP-1253756-2019
Status:
final
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
17 - (nr) - remodeling/additional work/tenant space
2020-01-13
[none] - 8010 fenton st
Valuation:
N/A
Permit #:
PFG-1286317-2020
Status:
final
Fee:
$306
Permit Type:
N/A
Building Type:
N/A
Sewer lateral - repair/water service - repair
Valuation:
N/A
Permit #:
SFP-1246469-2019
Status:
final
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Sewer lateral - replaced (residential only)
Valuation:
N/A
Permit #:
SFP-1247317-2019
Status:
final
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Sewer lateral - replaced (residential only)
Valuation:
N/A
Permit #:
SFP-1248863-2019
Status:
final
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Water service - replaced (residential only)
Valuation:
N/A
Permit #:
SFP-1249092-2019
Status:
final
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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Verified License
BuildZoom confirmed this contractor's license
John L. Walker License info
Verified License
| License # | 71497 |
| Status | Active |
| State | Maryland |
| Type | Plumbers |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for John L. Walker at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 1853 |
| Status | Active |
| City | Annapolis |
| Type | Plumbing Cont, Mpgf |
- When BuildZoom last verified this license, it had an expiration date of May, 2017. Check the current license status of John L. Walker with the The City of Annapolis, MD
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CON-1853 |
| Status | Inactive |
| City | Annapolis |
| Type | Plumbing Cont |
- According to the The City of Annapolis, MD, 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 John L. Walker at the The City of Annapolis, MD.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
Insured
| Insurer | Old Republic |
1.2K
Permits
- Building permit records show that John L. Walker has worked on 1162 permitted projects.
John L. Walker Employees
JW
John L. Walker
Owner