Updated: May 02, 2026
Location and Projects
Address
13364 Dronfield Ave, Sylmar, CA, 91342
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Sema Electric
Sema Electric is based in Sylmar in the San Fernando Valley. Sema Electric holds an electrical contractors license in the state of CA since 2005. Our electrical company offers lighting fixture installation, sub-panel installation, circuit breaker installation, electric meter installation, trouble shooting, as well as any and all electrical needs for residential, commercial and industrial buildings. Our company has been known to provide excellent service and exceptional electrical repairs to our customers from new construction to remodels throughout the Los Angeles County area.
From BuildZoom: Sema Electric, 13364 Dronfield Ave, Sylmar, CA (Employees: Christina Ramirez, Mark Weir, and Sean Delahanty) holds a Electrical license according to the California license board.
Their BuildZoom score of 104 ranks in the top 9% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Sema Electric, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Sema Electric Contact Information
Phone Number: (818) 621-0407
Address: 13364 Dronfield Ave, Sylmar, CA 91342
This is a sample of this contractor's permits. Click here to access their complete permit history.
Supplemental to permit: 24041-90000-44795. addition electrical contractor for installation of electrical vehicle charger in a multi-family dwelling and address corrections
Valuation:
N/A
Permit #:
25041-90000-24832
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supplemental to permit 24041-90000-29135 to update number of units from 4-5 units. replacing existing panel with 6 meter panel-400 amps at exterior or in electrical room for (5) unit apartment building plus common area
Valuation:
N/A
Permit #:
24041-90000-29649
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
[eplan] subpanels power and lighting for new special amusement area and museum tenant improvement. plan check for power and energy for place of assembly. note: a3 occupancy per building permit 24016-10000-03537
Valuation:
N/A
Permit #:
24041-10000-10782
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Installation of 400 amp multi-meter section 120/240 volt replacement and (1) 60 amp 120/240 volt common area panel
Valuation:
N/A
Permit #:
25041-90000-24802
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Installation of 400 amp multi-meter section 120/240 volt replacement and (1) 60 amp 120/240 volt common area panel
Valuation:
N/A
Permit #:
25041-90000-24859
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Installation of 400 amp multi-meter section 120/240 volt replacement and (1) 60 amp 120/240 volt common area panel
Valuation:
N/A
Permit #:
25041-90000-24875
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Units 1-4: install new boxes wiring and smoke/carbon monoxide detectors in required locations to meet code requirements. interlock wiring for devices to communicate. obtain permits and approvals from ladbs
Valuation:
N/A
Permit #:
23041-90000-17171
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
5 gang meter servicing 5111 5111 1/2 5113 5113 1/2 and house meter total connect load not to exceed 400 amps
Valuation:
N/A
Permit #:
24041-10000-20866
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supplemental permit to 24041 - 10000 - 20866 to revise work description to include units 5111 1/2 & 5113 mt. royal dr. to scope of work
Valuation:
N/A
Permit #:
24041-20001-20866
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
[eplan] t24 energy only plan check for tenant improvement of existing retail space. new lighting and power. total affected area is 805 sqft
Valuation:
N/A
Permit #:
23041-10000-71484
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
[eplan] supplemental to 24041-10000-21062. includes additional equipment and lighting for new candy store tenant improvement
Valuation:
N/A
Permit #:
24041-10001-21062
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental plan check for changes to approved set. change to single line diagram and load calcs. all changes has been clouded. *original* 800a 240/120v 3ph-4w service upgrade to existing commercial building. plan check for power
Valuation:
N/A
Permit #:
21041-20001-03390
Status:
plancheck
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to permit # 23041-90000-51349 new gang meter panel to serve 14406 14408 14410 & 14406 1/2 martha. change of contractor
Valuation:
N/A
Permit #:
23041-30001-51349
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Relocation of existing electrical circuits as well as adding circuit for oven. cleaning up existing electrical
Valuation:
N/A
Permit #:
21041-90000-30892
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replace 400 amp panel-service at exterior or in electrical room for (4) unit apartment building
Valuation:
N/A
Permit #:
24041-90000-29135
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
800a 240/120v 3ph-4w service upgrade to existing commercial building. plan check for power
Valuation:
N/A
Permit #:
21041-20000-03390
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
[eplan] power and lighting for museum tenant improvement. plan check for energy
Valuation:
N/A
Permit #:
24041-10000-21062
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to 23041 40000 33962 to change contractor to sema electric
Valuation:
N/A
Permit #:
23041-10001-33962
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Install an electrical vehicle charger(s) in a single-family dwelling
Valuation:
N/A
Permit #:
24041-90000-02210
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Repairing conduits and disconnect on roof for air conditioning equipment
Valuation:
N/A
Permit #:
22041-90000-07110
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Sema Electric Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Sema Electric License info
Verified License
| License # | 886898 |
| Status | Active |
| State | California |
| Type | Electrical |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Sema Electric at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Farm Fire & Casualty Company |
66
Permits
- Building permit records show that Sema Electric has worked on 66 permitted projects.
Sema Electric Employees
CR
Christina Ramirez
General Manager
MW
Mark Weir
Electrical Foreman
SD
Sean Delahanty
Sole Owner