Updated: Aug 01, 2026
Location and Projects
Address
2140 MESITA AVE, West Covina, CA, 91791
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Gm Mechanical
Gm Mechanical, 2140 Mesita Ave, West Covina, CA (Owned by: Guy Andrew Martinez) holds a Electrical license and 1 other license according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Gm Mechanical, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Gm Mechanical Contact Information
Phone Number: (510) 483-9366
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Address: 2140 MESITA AVE, West Covina, CA 91791
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This is a sample of this contractor's permits. Click here to access their complete permit history.
To install additional 50 amps meter to charge electric car with nema- 14-50 plug (tesla gfci 50 amps breaker).
Valuation:
$0
Permit #:
EL100403
Status:
Closed-Withdrawn
Fee:
$16
Permit Type:
N/A
Building Type:
N/A
Adding toilets lavs sinks urinals water heater floor drain
Valuation:
N/A
Permit #:
96042-10002-00191
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Change existing roof top unit ( existing screens )
Valuation:
$0
Permit #:
B05-000-484
Status:
Final
Fee:
$125
Permit Type:
N/A
Building Type:
010c - 1 unit con...
Tenant improvement. restroom at guard room
Valuation:
N/A
Permit #:
98042-30000-03231
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Gas line and earth quake valve for one outlet
Valuation:
N/A
Permit #:
97042-30000-05424
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Hantenant improvement for space hank yu
Valuation:
N/A
Permit #:
97042-30000-02628
Status:
approved
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Ten. improvement/1-story building
Valuation:
N/A
Permit #:
97042-30000-05426
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Water piping for kuehne and nagal
Valuation:
N/A
Permit #:
97042-30000-01537
Status:
approved
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
New work at international container
Valuation:
N/A
Permit #:
97042-30000-07926
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install new furnace/ductwork
Valuation:
N/A
Permit #:
P91-6740
Status:
final
Fee:
$42
Permit Type:
N/A
Building Type:
N/A
No work description available
Valuation:
N/A
Permit #:
96042-10001-00191
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
No work description available
Valuation:
N/A
Permit #:
96042-10000-00191
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Backfill (e) septic tank
Valuation:
N/A
Permit #:
01030-20000-02931
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Tenant improvement
Valuation:
N/A
Permit #:
98042-30000-03230
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement
Valuation:
$0
Permit #:
97042-30000-03201
Status:
Permit Closed
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/a
Tenant improvement
Valuation:
N/A
Permit #:
98042-30000-01568
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement
Valuation:
N/A
Permit #:
98042-30000-01566
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
New duplex
Valuation:
$0
Permit #:
M9200084
Status:
Final
Fee:
$317
Permit Type:
N/A
Building Type:
N/A
New s f d
Valuation:
$0
Permit #:
M9101556
Status:
Final
Fee:
$113
Permit Type:
N/A
Building Type:
N/A
New s f d
Valuation:
N/A
Permit #:
M9101556
Status:
FINAL
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Gm Mechanical Reviews
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Verified License
BuildZoom confirmed this contractor's license
Gm Mechanical License info
Verified License
| License # | 781145 |
| Status | Active |
| State | California |
| Type | Electrical |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Gm Mechanical at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 624526 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, 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 Gm Mechanical at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Wesco Insurance Company |
12
Permits
- Building permit records show that Gm Mechanical has worked on 12 permitted projects.
Gm Mechanical Employees
GM
Gary Lynn Matichak
Sole Owner
GM
Guy Andrew Martinez
Owner