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Electrical contractorYorba Linda, CA

Cal Building Systems Inc

Licensed since 1987 · Corporation · 3 building permits on record

CSLB #521087 · ActiveWorkers' comp insuredBonded $25,000Verified website
License classes
C-7 Low Voltage SystemsC-10 ElectricalC-16 Fire Protection
3
Permits on record
1 jurisdiction
0
Permits in 3 years
last Sep 14, 2022

Work history

Building permits: City of Los Angeles

Permits by year

Data covers City of Los Angeles 2006–Oct 2026.

What they build

Electrical
3

Most recent permits

IssuedWorkJurisdictionZIP
Sep 14, 2022ElectricalCity of Los Angeles91326
Jul 14, 2022ElectricalCity of Los Angeles90057
Mar 28, 2022ElectricalCity of Los Angeles90014
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
3

Top ZIP codes

  • ZIP 900571
  • ZIP 913261
  • ZIP 900141
Area is where permits were issued, not the office address

License, bond & insurance

California Contractors State License Board
  • CSLB license#521087 · Active
  • Business typeCorporation
  • Issued · expiresNov 19, 1987 · Nov 30, 2027
  • OfficeYorba Linda, CA 92886
  • CSLB record updatedAug 3, 2026
  • Contractor bond$25,000 · since Nov 30, 2023
  • Bond companyAmerican Contractors Indemnity Company
  • Workers' compensationWorkers' Compensation Insurance · until Jul 15, 2027
  • InsurerNational Casualty Company

License classes

C-7 Low Voltage SystemsC-10 ElectricalC-16 Fire Protection
Always confirm a license on cslb.ca.gov before signingCheck another license

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Questions & answers

Is Cal Building Systems Inc licensed?
CSLB license #521087 is active, issued Nov 19, 1987 and valid through Nov 30, 2027, with classes C-7, C-10, C-16.
Is Cal Building Systems Inc insured and bonded?
CSLB lists workers' compensation insurance with National Casualty Company until Jul 15, 2027 and a $25,000 contractor bond with American Contractors Indemnity Company.
How many jobs has Cal Building Systems Inc done?
Building permits name the company on 3 jobs, including 3 electrical.
Where does Cal Building Systems Inc work?
Most permits are in City of Los Angeles.

Sources

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