Updated: May 30, 2026
Location and Projects
Address
5443 Donna Ave, Tarzana, CA, 91356
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Alter Electric & Construction Inc
Alter Electric & Construction Inc, 5443 Donna Ave, Tarzana, CA (Owned by: Sidney Alter) holds a Electrical, General Building license and 2 other licenses according to the California license board.
Their BuildZoom score of 101 ranks in the top 12% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Alter Electric & Construction Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Alter Electric & Construction Inc Contact Information
Phone Number: (626) 489-9069
Address: 5443 Donna Ave, Tarzana, CA 91356
Building Permits by Alter Electric & Construction Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
[e_plan] replace and relocate the existing 800a-120/240v - 1ph-3w electrical service with a new 800a-120/240v - 1ph-3w service in a single family dwelling. extend replace feeder conduit and wire to existing sub-panels and addition new sub-panel 3b. all branch circuits under a separate permit
Valuation:
N/A
Permit #:
20041-10000-30295
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Added permit fees on permit # 20041-30000-36926. violation # 21-sel-107-q-4751. addition 400 amp service 400 amp sub new 3 phase breaker new emon d-mon panel
Valuation:
N/A
Permit #:
21041-90000-59215
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
[eplan] power plan check for new meter and power for ev chargers. new 800a 3p 4w 277/480v service transforer panel ev chargers
Valuation:
N/A
Permit #:
24041-10000-21141
Status:
triage
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Panel upgrade and relocation
Valuation:
N/A
Permit #:
22041-90000-40539
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Plan check for single family dwelling 1 200 a service with backup 60kw generator
Valuation:
N/A
Permit #:
16041-20000-26716
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Temp service 400 amp
Valuation:
N/A
Permit #:
19041-90000-45357
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install electrical. to kitchen remodel including service sub-panel circuits appliance and recept. & lights
Valuation:
N/A
Permit #:
01041-20000-17802
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Change 200 amp existing temp service to 400 amp temp
Valuation:
N/A
Permit #:
17041-90000-11175
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Remodel master bedroom suite
Valuation:
N/A
Permit #:
18041-90000-32302
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Electrical installation
Valuation:
N/A
Permit #:
15041-90000-25970
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
400amps service panel
Valuation:
N/A
Permit #:
19041-20000-47601
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
400amps service panel
Valuation:
N/A
Permit #:
19041-20000-47601
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
400 amp temp service
Valuation:
N/A
Permit #:
17041-90000-11526
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Temp construction power
Valuation:
N/A
Permit #:
17041-90000-11618
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Temp service 400 amp
Valuation:
N/A
Permit #:
18041-90000-37326
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to 14041-20000-22597 permit for generator (on plan checked plan and first supplemental ) that was inspected and approved. not explicitly listed on electrical permit. brad besco was the inspector. need cursory permit/inspection so larger gas line can be approved
Valuation:
N/A
Permit #:
17041-90000-14947
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Plan chk for field changes- replace 3 ea 10kw steam generators with 2ea phase inverter/3ph stem generators; added receptacles. all changes are clouded (((((((((renovation of (e) 17, 023 square feet single family dwelling. rewiring of house and new 1200a service and service equipment
Valuation:
N/A
Permit #:
14041-10001-22597
Status:
approved
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Plan chk for field changes: original swbd replaced with a main meter board and original swbd used as a distribution bd ((((((((remodel of (e) 4060 square feet single family dwelling. rewiring of house and new 600a service and service equipment
Valuation:
N/A
Permit #:
14041-10001-22608
Status:
approved
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Plan check for supplemental changes to approved set. service upgrade from 1200a to 1600a upgrade 300kw generator to 400kw. changes to single line floor plans and panel schedules. note: plan check only electrical permit covered under building combination permit
Valuation:
N/A
Permit #:
19041-20001-44399
Status:
approved
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
06-03-2019 changes to permitted set of plans changes include remove 60kw generator and replace with 22kw generator for sump pumps and addition access motor court. plan check only. electrical permit covered under building combination permit 16014-30000-00284
Valuation:
N/A
Permit #:
16041-20001-26716
Status:
approved
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Alter Electric & Construction Inc Reviews
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Alter Electric & Construction Inc License info
Verified License
| License # | 445460 |
| Status | Active |
| State | California |
| Type | Electrical, General Building |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Alter Electric & Construction Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 976445 |
| Status | Active |
| State | California |
| Type | General Building, Electrical |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Alter Electric & Construction Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 436686 |
| Status | Inactive |
| State | California |
| Type | Electrical |
| Business Type | Sole Ownership, Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Alter Electric & Construction Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Everest Premier Insurance Company |
143
Permits
- Building permit records show that Alter Electric & Construction Inc has worked on 143 permitted projects.
Alter Electric & Construction Inc Employees
BA
Bea Alter
Officer
SA
Sidney Alter
Owner