Updated: Apr 20, 2026
Location and Projects
Headquarters Address
Alpharetta, GA, 30009
Local address
Westminster, MD, 21158
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John Frock Plumber
John Frock, Westminster, MD holds a Plumbers license and 1 other 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 Frock, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
John Frock Services
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John Frock Contact Information
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This is a sample of this contractor's permits. Click here to access their complete permit history.
2 tank/120 gallon/air compressor 60 000 btu/air compressor 60 000 btu/refrigerator 2000 btu in shed not part of school
Valuation:
N/A
Permit #:
GO-22-0599
Status:
issued
Fee:
$130
Permit Type:
N/A
Building Type:
N/A
Removing whirlpool tub replacing with soaking tub/move vanity and addition 1 bowl/make shower larger
Valuation:
N/A
Permit #:
PLR-22-0382
Status:
approved
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
Paid by john w. frock plumbing & heating 2 fixtures (moving kitchen into addition)
Valuation:
N/A
Permit #:
PLR-21-0017
Status:
approved
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
Running gas line to furnace/installed by others
Valuation:
N/A
Permit #:
GO-22-0598
Status:
approved
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
Addition grease interceptor/add prep sink
Valuation:
N/A
Permit #:
PLC-22-0383
Status:
approved
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Paid by john w frock plumbing and heating plumbing application to r0-20-0419
Valuation:
N/A
Permit #:
PLR-20-0264
Status:
approved
Fee:
$190
Permit Type:
N/A
Building Type:
N/A
1 water line to barn
Valuation:
N/A
Permit #:
PLR-22-0821
Status:
approved
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
Residential renovation
Valuation:
N/A
Permit #:
PLR-22-0223
Status:
issued
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Future water heater 40 000 btu future fireplace 40 000 btu converting from oil to natural gas boiler
Valuation:
N/A
Permit #:
GO-19-2485
Status:
approved
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
New residence
Valuation:
N/A
Permit #:
PLR-22-0224
Status:
approved
Fee:
$290
Permit Type:
N/A
Building Type:
N/A
Plumbing fixtures for garage
Valuation:
N/A
Permit #:
PLR-21-0820
Status:
approved
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
Interior renovations to addition office & 1/2 bathroom new tenant home call
Valuation:
N/A
Permit #:
BP-19-0098
Status:
issued
Fee:
$564
Permit Type:
N/A
Building Type:
N/A
Paid by john frock
Valuation:
N/A
Permit #:
PLC-21-0003
Status:
approved
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
New residential plumbing & gas fixtures
Valuation:
N/A
Permit #:
PLR-20-0687
Status:
approved
Fee:
$390
Permit Type:
N/A
Building Type:
N/A
Residential plumbing fixtures
Valuation:
N/A
Permit #:
PLR-20-0657
Status:
approved
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
Just roughing in range now. also roughing in water heater & replacing heater
Valuation:
N/A
Permit #:
GO-18-0098
Status:
complete
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
Interior renovations - adams county national bank (existing tenant)
Valuation:
$10,499
Permit #:
BP-18-1860
Status:
issued
Fee:
$437
Permit Type:
N/A
Building Type:
N/A
Adding unit heater to unit/105 000 btu
Valuation:
N/A
Permit #:
GO-19-0061
Status:
approved
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Basement rough only
Valuation:
N/A
Permit #:
PLR-19-0179
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel 2 bathroom
Valuation:
N/A
Permit #:
PLR-19-2223
Status:
approved
Fee:
N/A
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 Frock License info
Verified License
| License # | 9357 |
| Status | Active |
| State | Maryland |
| Type | Plumbers |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for John Frock at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 9357 |
| Status | Inactive |
| State | Maryland |
| Type | Architects |
- According to the Maryland Department of Labor, Licensing & Regulation, 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 Frock 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
122
Permits
- Building permit records show that John Frock has worked on 122 permitted projects.
John Frock Employees
JF
John Frock
Owner