Public CSLB records

PROFESSIONAL TELECOMMUNICATIONS SERVICES INC

License #900567·Corporation·LIVERMORE, Alameda County
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Summary

PROFESSIONAL TELECOMMUNICATIONS SERVICES INC operating as a corporation is licensed in California under CSLB number 900567. The license was first issued in 2007, putting the business at 19 years on the active CSLB roster. It carries 4 CSLB classifications: C-7 Low Voltage Systems Contractor, C-10 Electrical Contractor, C-28 Lock and Security Equipment Contractor, and C-61/D-16 Hardware, Locks and Safes Contractor. Records show an active surety bond on file with AMERICAN CONTRACTORS INDEMNITY COMPANY and active workers' compensation coverage from SENTINEL INSURANCE COMPANY LTD. The business is based in LIVERMORE, in Alameda County, California.

Business Information
Address
1799 PORTOLA AVE STE 5
LIVERMORE, CA 94551
License Details & Classifications
Financial & Insurance Coverage
Contractor Bond
Surety
AMERICAN CONTRACTORS INDEMNITY COMPANY
Bond Number
1001230240
Effective
Feb 23, 2026
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
SENTINEL INSURANCE COMPANY LTD
Policy Number
57WEABG4C71
Effective
Jun 6, 2025
Expires
Jun 6, 2026
License StatusActive
Contractor BondOn file
Workers' CompensationActive
Activity Timeline
  1. License issuedJul 20, 2007
  2. WC coverage startsJun 6, 2025
  3. Bond activeFeb 23, 2026
  4. WC expiresJun 6, 2026
  5. License expiresNov 30, 2026