Updated: Jun 26, 2026
Location and Projects
Address
Baltimore, MD, 21227
Use our bidding system to
request a quote
James Harold Cornelius Electrician
James Harold Cornelius, Baltimore, MD (Employee: Jeffrey J. Cornelius) holds a Electricians license and 1 other 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 James Harold Cornelius, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Building Permits by James Harold Cornelius
This is a sample of this contractor's permits. Click here to access their complete permit history.
Use as a single-family dwelling
Valuation:
N/A
Permit #:
USE2024-56788
Status:
issued
Fee:
$73
Permit Type:
N/A
Building Type:
N/A
Howard county community college/replace 51mh heads (site lts) with 51 led heads install 21 new 30 poles with 2 each & 6 30 poles with 1 head each 3013173835
Valuation:
$0
Permit #:
E13003790
Status:
Issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Howard co commercial. col 9/19/2012 thru 9/24/2012 install 1-125kwgenerator & 1-70kw temporary generator for hcc grand prix event 3013173835 b12002978
Valuation:
$0
Permit #:
E12004642
Status:
Completed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Martek bio sciences/install 200 amp sub panel 3 fan coil units 1-47 amp 2-38 amp 3 heat pumps ; 1-18 amp & 2-13 amp. no list other work under permit e10003767 4102474215 b10002015
Valuation:
$0
Permit #:
E11001255
Status:
Completed
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
Verizon communications alterations to the existing telephone equipment building
Valuation:
$360,000
Permit #:
B13002243
Status:
Issued
Fee:
$220
Permit Type:
N/A
Building Type:
N/A
Dsm nutritional products install 12 floures fixtures 6 data-computer 6 receptacles 3 med base fixtures area light fixture & switch 4102474215 b12001952
Valuation:
$0
Permit #:
E12003243
Status:
Completed
Fee:
$210
Permit Type:
N/A
Building Type:
N/A
Commercial electric addition alteration
2010-05-18
Sisters of bon secours/construct 2 story building (with basement level) for use as a storage building install 150 amp panel board 120/208v. 30 4w. only no list 3013173835 b09002814
Valuation:
$0
Permit #:
E10002100
Status:
Completed
Fee:
$215
Permit Type:
N/A
Building Type:
N/A
Verizon communications alterations to the existing telephone equipment building see list 410-247-4215 b13002243
Valuation:
$0
Permit #:
E13003849
Status:
Issued
Fee:
$760
Permit Type:
N/A
Building Type:
N/A
Glenwood middle school wire 1200 amp panel; wire 800 amp panel; install 88 motors & 7 receptacles 4102474215 b15001444
Valuation:
N/A
Permit #:
E15002799
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Nvr mortgage finance inc./ste. 140 install 5 switches 11 receptacxles 7 fluores 4 phone & 2 fire alarm devices b09000734 301-317-3835
Valuation:
$60,000
Permit #:
E09001715
Status:
Completed
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
Commercial electric addition alteration
2006-08-28
Jhu/apl install 3 switches 8 receptacles 9 med base 8 fluores & 3 motors 1/2hp b06001537 phone 410-247-4215 brown & heim inc.pr comments: 1 explosion proof hood
Valuation:
$0
Permit #:
E06003830
Status:
Completed
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
Commercial electric addition alteration
2009-09-21
Bon secours relocate (2) existing 120/208v panels w a total of (19) 20amp branch circuits; a total of 200 amps for panels no list contact 410-247-4215
Valuation:
$0
Permit #:
E09003466
Status:
Completed
Fee:
$435
Permit Type:
N/A
Building Type:
N/A
Ste a martek bioscience relocate existing 225 amp feeder install 32 fluores fixtures 31 receptacles 16 switches & 13 voice data devices no list b08001841
Valuation:
$0
Permit #:
E08002852
Status:
Completed
Fee:
$490
Permit Type:
N/A
Building Type:
N/A
Verizon communications install 2 air conditioning & 2 air handling
Valuation:
$0
Permit #:
E14000832
Status:
Review In Process
Fee:
$122
Permit Type:
N/A
Building Type:
N/A
Commercial electric addition alteration
2009-09-09
Jhu/apl - building 24 it closets install 3 roof top condensing units 30amp each & 1 panel @175amps & feeder no list b09001548 contact 410-247-4215
Valuation:
$0
Permit #:
E09003287
Status:
Completed
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
Marteck bio sciences (b06000920) interior alterations relocate 200 amp feeder 46 switches 94 fluorescents 153 receptacles only no equipment list
Valuation:
$0
Permit #:
E06001765
Status:
Completed
Fee:
$435
Permit Type:
N/A
Building Type:
N/A
Sprint communications see list 3013173835 b13001889
Valuation:
$0
Permit #:
E13005782
Status:
Application Accepted
Fee:
$3,570
Permit Type:
N/A
Building Type:
N/A
Dsm nutritional products headquarters see list 4102474215 b12002771
Valuation:
$0
Permit #:
E12004736
Status:
Completed
Fee:
$391
Permit Type:
N/A
Building Type:
N/A
Howard community college - construction of a new 5 tier 750 space pre cast parking garage see list 3013173835 b10001644
Valuation:
$0
Permit #:
E10004202
Status:
Completed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial electric addition alteration
2010-03-24
Biofortis/ste. 410 install 6 switches 7 receptacles 7 fluores & 1 fire alarm device no list b10000665 contact 410-247-4215
Valuation:
$0
Permit #:
E10001173
Status:
Completed
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
James Harold Cornelius Reviews
BuildZoom hasn't received any reviews for James Harold Cornelius. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
James Harold Cornelius License info
Verified License
| Status | Active |
| State | Maryland |
| Type | Electricians |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for James Harold Cornelius at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 10419 |
| Status | Active |
| State | Maryland |
| Type | Electricians |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for James Harold Cornelius 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
39
Permits
- Building permit records show that James Harold Cornelius has worked on 39 permitted projects.
James Harold Cornelius Employees
JC
James Harold Cornelius
Owner
JC
Jeffrey J. Cornelius
Owner