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TS
Electrical contractorRancho Cucamonga, CA

Trl Systems Incorporated

Licensed since 1981 · Corporation · 930 building permits on record

CSLB #413747 · ActiveWorkers' comp insuredBonded $25,000Verified website
License classes
C-10 ElectricalC-16 Fire Protection
930
Permits on record
2 jurisdictions
0
Permits in 3 years
last May 19, 2023

Work history

Building permits: City of Los Angeles, City of Anaheim

Permits by year

24520191672020145202126820221052023
Data covers City of Los Angeles 2006–Oct 2026; City of Anaheim 1999–Sep 2026.

What they build

Electrical
926
HVAC
2
Other building work
1
Windows & doors
1

Most recent permits

IssuedWorkJurisdictionZIP
May 19, 2023ElectricalCity of Los Angeles91436
May 19, 2023ElectricalCity of Los Angeles90067
May 19, 2023ElectricalCity of Los Angeles91405
May 17, 2023ElectricalCity of Los Angeles90049
May 17, 2023ElectricalCity of Los Angeles90024
May 11, 2023ElectricalCity of Los Angeles91436
May 11, 2023ElectricalCity of Los Angeles91403
May 9, 2023ElectricalCity of Los Angeles90057
May 9, 2023ElectricalCity of Los Angeles90048
May 8, 2023ElectricalCity of Los Angeles91436
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
929
Anaheim
1

Top ZIP codes

  • ZIP 90017118
  • ZIP 9002495
  • ZIP 9002581
  • ZIP 9007178
  • ZIP 9006776
  • ZIP 9136750
  • ZIP 9001449
  • ZIP 9006446
Area is where permits were issued, not the office address

License, bond & insurance

California Contractors State License Board
  • CSLB license#413747 · Active
  • Business typeCorporation
  • Issued · expiresNov 2, 1981 · Nov 30, 2027
  • OfficeRancho Cucamonga, CA 91730
  • CSLB record updatedOct 1, 2026
  • Contractor bond$25,000 · since Jan 1, 2023
  • Bond companyOhio Casualty Insurance Company (the)
  • Workers' compensationWorkers' Compensation Insurance · until Oct 1, 2027
  • InsurerHartford Fire Insurance Company

License classes

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

About the company

trlsystems.com

Services

Commercial
  • Websitetrlsystems.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
Same county and trade, ranked by permits in the last 3 years

Questions & answers

Is Trl Systems Incorporated licensed?
CSLB license #413747 is active, issued Nov 2, 1981 and valid through Nov 30, 2027, with classes C-10, C-16.
Is Trl Systems Incorporated insured and bonded?
CSLB lists workers' compensation insurance with Hartford Fire Insurance Company until Oct 1, 2027 and a $25,000 contractor bond with Ohio Casualty Insurance Company (the).
How many jobs has Trl Systems Incorporated done?
Building permits name the company on 930 jobs, including 926 electrical, 2 hvac, 1 other building work.
Where does Trl Systems Incorporated work?
Most permits are in City of Los Angeles, City of Anaheim.

Sources

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