Contractor License Proof

Professional Telecommunications Services Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
900567
Status
Active
Classifications
C-10 · ElectricalC-28 · Lock and Security EquipmentC-7 · Low Voltage SystemsD-16 · Hardware, Locks and Safes
Contractor bond
$25,000
Workers' comp
Covered
License term on file
July 20, 2007 – November 30, 2026

Business

  • (925) 447 5100 (CSLB public record)
  • 1799 PORTOLA AVE STE 5, Livermore, CA 94551Alameda County

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Frequently asked questions

Is Professional Telecommunications Services Inc licensed in California?

Yes. Professional Telecommunications Services Inc holds an active California state contractor license (CSLB #900567), verified against the CSLB public record on June 17, 2026.

What is Professional Telecommunications Services Inc's CSLB license number?

Professional Telecommunications Services Inc's California contractor license number is 900567. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.

What kind of work is Professional Telecommunications Services Inc licensed for?

Professional Telecommunications Services Inc is classified under Electrical (C-10), Lock and Security Equipment (C-28), Low Voltage Systems (C-7), and Hardware, Locks and Safes (D-16) by the CSLB.

How do I verify Professional Telecommunications Services Inc's license myself?

Look up license #900567 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of June 17, 2026.

Verify it yourself: How to verify a California contractor license · Look up #900567 on CSLB

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See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.