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Electrical contractorSan Fernando, CA

On - Site Builders Inc

Licensed since 1981 · Corporation · 67 building permits on record

CSLB #399424 · ActiveWorkers' comp insuredBonded $25,000Verified website
License classes
B General BuildingC-10 ElectricalC-36 Plumbing
67
Permits on record
2 jurisdictions
0
Permits in 3 years
last Apr 18, 2023
3
Roofing jobs
re-roofs and repairs

Work history

Building permits: City of Los Angeles, City of Anaheim

Permits by year

3420191620201202132022102023
Data covers City of Los Angeles 2006–Oct 2026; City of Anaheim 1999–Sep 2026.

What they build

Remodel / addition
18
Plumbing
15
Other building work
13
Electrical
9
HVAC
9
Roofing
3

Most recent permits

IssuedWorkJurisdictionZIP
Apr 18, 2023PlumbingCity of Los Angeles91324
Apr 17, 2023Other building workCity of Los Angeles91324
Apr 17, 2023Remodel / additionCity of Los Angeles91324
Apr 17, 2023Remodel / additionCity of Los Angeles91324
Apr 17, 2023ElectricalCity of Los Angeles91324
Apr 17, 2023HVACCity of Los Angeles91324
Apr 6, 2023HVACCity of Los Angeles91401
Mar 24, 2023PlumbingCity of Los Angeles90007
Mar 8, 2023ElectricalCity of Los Angeles90007
Feb 1, 2023Remodel / additionCity of Los Angeles90007
Only the type of work, date and ZIP are shown — never homeowner names or street addresses.
Permits are matched to this contractor by CSLB license number on the permit

Where they work

Building permits

Jurisdictions

Los Angeles
65
Anaheim
2

Top ZIP codes

  • ZIP 9104017
  • ZIP 9004516
  • ZIP 913246
  • ZIP 900076
  • ZIP 900385
  • ZIP 900345
  • ZIP 916064
  • ZIP 905012
Area is where permits were issued, not the office address

License, bond & insurance

California Contractors State License Board
  • CSLB license#399424 · Active
  • Business typeCorporation
  • Issued · expiresFeb 11, 1981 · Mar 31, 2028
  • OfficeSan Fernando, CA 91340
  • CSLB record updatedApr 16, 2026
  • Contractor bond$25,000 · since Jan 1, 2023
  • Bond companyAmerican Contractors Indemnity Company
  • Workers' compensationWorkers' Compensation Insurance · until Mar 1, 2027
  • InsurerPalomar Specialty Insurance Company

License classes

B General BuildingC-10 ElectricalC-36 Plumbing
Always confirm a license on cslb.ca.gov before signingCheck another license

About the company

myosbi.com

Services

Commercial
  • Websitemyosbi.com
From the company's own website, checked Oct 8, 2026. Claims are the company's; we show where each came from.
Facts with links to the page they came from

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Questions & answers

Is On - Site Builders Inc licensed?
CSLB license #399424 is active, issued Feb 11, 1981 and valid through Mar 31, 2028, with classes B, C-10, C-36.
Is On - Site Builders Inc insured and bonded?
CSLB lists workers' compensation insurance with Palomar Specialty Insurance Company until Mar 1, 2027 and a $25,000 contractor bond with American Contractors Indemnity Company.
How many jobs has On - Site Builders Inc done?
Building permits name the company on 67 jobs, including 18 remodel / addition, 15 plumbing, 13 other building work.
Where does On - Site Builders Inc work?
Most permits are in City of Los Angeles, City of Anaheim.

Sources

  1. Contractors State License Board — license, bond and workers' comp records (Apr 16, 2026).
  2. Building permits — City of Los Angeles, City of Anaheim.
  3. Company website — myosbi.com (checked Oct 8, 2026).
Answers use only the facts on this pageIs this your business? Update listing