Updated: Apr 27, 2026
Location and Projects
Address
4427 BANNISTER AVENUE, El Monte, CA, 91732
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Maintech Lighting Electrician
Maintech Lighting, 4427 Bannister Ave, El Monte, CA (Owned by: Ralph Denny Garduno) holds a Electrical license according to the California license board.
Their BuildZoom score of 94 ranks in the top 24% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Maintech Lighting, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Maintech Lighting Contact Information
Phone Number: (626) 230-4811
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Address: 4427 BANNISTER AVENUE, El Monte, CA 91732
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This is a sample of this contractor's permits. Click here to access their complete permit history.
New sub panel replacement. structure is being replaced and a new sub panel will be installed onto a prefabbed structure
Valuation:
N/A
Permit #:
22041-90000-60593
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plan check for title 24 energy only in existing space. installed new track lighting in addtion of existing lighting. total area: 4766 sq ft. b#19016-10001-13383
Valuation:
N/A
Permit #:
19041-20000-53245
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replace a main metered service panel on a replaced prefabbed concrete kiosk
Valuation:
N/A
Permit #:
22041-90000-60594
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
New equipment room for electrical work related to new voluntary automatic sprinkler system
Valuation:
N/A
Permit #:
22041-90000-68644
Status:
issued
Fee:
N/A
Permit Type:
Public safety only
Building Type:
N/A
Plan check for title 24 energy only in existing space. installed new track lighting in addition of existing lighting fixtures. total area: 15, 742 sq ft b#19016-10000-14525
Valuation:
N/A
Permit #:
19041-20000-53234
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plan check for title 24 energy only in existing space. new lighting installed in addition to existing lighting. total area: 23, 191 sq ft. b#19016-10000-12902
Valuation:
N/A
Permit #:
19041-20000-53241
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plan check for title 24 energy only in existing space installed new lighting in addtion to existing lighting. total area: 11, 636 sq ft
Valuation:
N/A
Permit #:
19041-20000-53260
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plan check for title 24 energy in existing space. installed new lighting in addition to existing lighting. total area: 12744 sq ft. b#19016-10000-14238
Valuation:
N/A
Permit #:
19041-20000-53262
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Installation of track lighting in (e) commercial spaces. plan check for energy
Valuation:
N/A
Permit #:
19041-20000-53138
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant imrpovement addition new lights. plan check for energy
Valuation:
N/A
Permit #:
19041-20000-53154
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
*work being performed in units a c & e.* 3 air conditioning units 7 lights 22 outlets 15 switches 1 red. apl <1 hp 3 new subpanels to 125 amp
Valuation:
N/A
Permit #:
E18-00401
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical service upgrade
Valuation:
N/A
Permit #:
B201802969
Status:
final
Fee:
$54
Permit Type:
N/A
Building Type:
N/A
Replace existing conduit and conductor to existing lights. ( conduit to be buried 24 inches wire to match existing all exposed conduit must be rigid)
Valuation:
N/A
Permit #:
B10-000-293
Status:
complete
Fee:
$138
Permit Type:
N/A
Building Type:
N/A
(2) smoke detectors
Valuation:
N/A
Permit #:
11041-10000-08493
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Exposed wiring
Valuation:
N/A
Permit #:
11041-10000-08473
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition (2) receptacles
Valuation:
N/A
Permit #:
09041-10000-21883
Status:
expired
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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Maintech Lighting Reviews
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Verified License
BuildZoom confirmed this contractor's license
Maintech Lighting License info
Verified License
| License # | 890289 |
| Status | Active |
| State | California |
| Type | Electrical |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Maintech Lighting at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
16
Permits
- Building permit records show that Maintech Lighting has worked on 16 permitted projects.
Maintech Lighting Employees
RG
Ralph Denny Garduno
Owner