Updated: Apr 26, 2026
Location and Projects
Address
Waldorf, MD, 20601
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John F. Williams Plumber
John F. Williams, Waldorf, MD holds a Plumbers license according to the Maryland license board.
Their BuildZoom score of 91 ranks in the top 37% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring John F. Williams, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
John F. Williams Services
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John F. Williams Contact Information
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Chaney enterprises install plumbing to modular trailer 2-sill cocks/1-2 rpz watts lf009qt/1-1 woodford s4 yard hydrant
Valuation:
N/A
Permit #:
P12004126
Status:
complete
Fee:
$441
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
T02048199
Status:
filed
Fee:
$450
Permit Type:
N/A
Building Type:
N/A
Adding shower ice maker and sink
Valuation:
$0
Permit #:
12-4741
Status:
A/P Complete
Fee:
$40
Permit Type:
N/A
Building Type:
N/A
Refer to b00-4127; using ex. driveway well & septic; septic repair #00-173
Valuation:
N/A
Permit #:
B0004162
Status:
APPR
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove plaster & repl w/drywall;insul walls, attic;repair side porch fl & sup
Valuation:
N/A
Permit #:
B0004127
Status:
APPR
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Modification to permit # b03-4110 will be 15x56; 1 storage room & vestibule;no storage room under existing roof
Valuation:
$0
Permit #:
8612
Status:
Permit Issued
Fee:
$0
Permit Type:
Alteration
Building Type:
Nonresidential bu...
**passed homeowners exam #71 for service
Valuation:
N/A
Permit #:
P0003220
Status:
APPR
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Cut-in date: 10/31/2000
Valuation:
N/A
Permit #:
E0002813
Status:
APPR
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Passed homeowner exam #72
Valuation:
N/A
Permit #:
P0103011
Status:
APPR
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Cut-in date: 1/3/2001
Valuation:
N/A
Permit #:
E0003227
Status:
APPR
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construct deck
Valuation:
$400
Permit #:
15332
Status:
A/P Complete
Fee:
$30
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
EL 21345
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
SHB 30010
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
John F. Williams License info
Verified License
| License # | 12029 |
| Status | Active |
| State | Maryland |
| Type | Plumbers |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for John F. Williams at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
7
Permits
- Building permit records show that John F. Williams has worked on 7 permitted projects.
John F. Williams Employees
JW
John F. Williams
Owner