Updated: Jun 28, 2026
Location and Projects
Address
14615 Pinto Ln, Rockville, MD, 20850
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John Christopher Harmon Electrician
John Christopher Harmon, 14615 Pinto Ln, Rockville, MD holds a Electricians license according to the Maryland license board.
Their BuildZoom score of 93 ranks in the top 27% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring John Christopher Harmon, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Building Permits by John Christopher Harmon
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install fire alarm system to monitor the fire sprinkler system. work to be done in the sprinkler room.<div>related electrical permit #: <b>491807</b></div><div>related building permit #: <b>479921</b></div>
Valuation:
N/A
Permit #:
491808
Status:
complete
Fee:
$185
Permit Type:
Fire
Building Type:
N/A
Fire system 1 panel 45 devices for warehouse hhs
Valuation:
N/A
Permit #:
202202352
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
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John Christopher Harmon License info
Verified License
| License # | 11270 |
| Status | Active |
| State | Maryland |
| Type | Electricians |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for John Christopher Harmon at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
John Christopher Harmon Employees
JH
John Christopher Harmon
Owner