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Licensed Low Voltage Contractors in Upland, California

Updated November 1, 2026 from CSLB's public license file · C-7 Low Voltage Systems Contractor

  • 22licensed low voltage contractors
  • 22active (Clear)
  • 0%with a suspension
  • 40.9%workers' comp exempt
  • 17.1 yrsmedian time licensed
  • 72.7%corp / LLC / partnership (27.3% sole owner)
  • 1new in the last 12 months
  • —change tracking began November 1, 2026

There are 22 low voltage contractors based in Upland in CSLB's current file. 22 (100%) have a Clear status as of November 1, 2026.

About 40.9% report a workers' comp exemption, roughly the statewide norm for low voltage contractors. The share with a suspension, 0%, is 5.2 points lower than the San Bernardino County rate for the same license (5.2%).

Experience varies: 68.2% have been licensed 10+ years and 1 is new this year (median 17.1 years, vs 14.4 statewide).

In California this work generally calls for the C-7 Low Voltage Systems Contractor license (or a B license when it is part of a larger multi-trade job). See the C-7 Low Voltage Systems Contractor guide for what the license covers.

How to check a low voltage contractor's license in Upland

  1. Open the low voltage contractor's profile from the table below (or search Upland listings by name). Check that C-7 appears among its classifications and that the primary status reads Clear. What C-7 covers.
  2. Re-check the same number on CSLB's Instant License Check the day you sign; our copy is refreshed weekly and 0% of Upland listings here already show a suspension.
  3. Get the bid and contract in writing with the license number on it. If the job tops $1,000 in labor and materials, a licensed low voltage contractor is required by law. See the $1,000 rule.

All 22 low voltage contractors in Upland

Upland low voltage contractors sorted with Clear licenses first, then by years licensed. Badges reflect CSLB's file dated November 1, 2026, not a rating of anyone's work.

Licensed low voltage contractors in Upland
Business nameLicense #StatusYearsWorkers' compBond
Southwest Alarm Service 433111 Clear 43 Insured On file
Sterling Alarm Company 671298 Clear 33 Exempt On file
Quality Teleservices 714778 Clear 31 Insured On file
Ireland Pro Systems 744332 Clear 28 Insured On file
Vci Construction LLC 765716 Clear 27 Insured On file
W M J Communications 816749 Clear 23 Insured On file
Baker Systems INC 818786 Clear 23 Insured On file
Marks Audio Video 824127 Clear 23 Insured On file
Finianos Roger 873147 Clear 20 Exempt On file
Artistic Sound & Cinema INC 923658 Clear 18 Insured On file
So Cal Greenland Communications 927705 Clear 17 Exempt On file
Corh Technology Partners INC 947696 Clear 16 Exempt On file
A Sound Vision & Automation 963929 Clear 15 Insured On file
Core Fiber Communications INC 981364 Clear 13 Insured On file
Digital Design Technology 988496 Clear 13 Exempt On file
Centroid Communications INC 1030188 Clear 9 Insured On file
Socal Cable Communications 1049707 Clear 7 Exempt On file
Prestige Technology Systems 1052359 Clear 7 Exempt On file
Onscope Services INC 1058945 Clear 7 Exempt On file
Socal Cable Communications INC 1065607 Clear 6 Insured On file
Techone LLC 1139459 Clear 1 Exempt On file
138 Communications INC 1160537 Clear <1 Insured On file

Source: CSLB public data · Updated November 1, 2026 Status can change at any time. Verify on CSLB's Instant License Check.

Frequently asked questions

How many licensed low voltage contractors are in Upland?

CSLB's current public file lists 22 low voltage contractors with a Upland mailing address. 22 have a Clear status, and 95.5% show no issues at all in the file (no suspension, no pending action, bond on file, not near expiration).

What license does a low voltage contractor need in California?

In California this work generally calls for the C-7 Low Voltage Systems Contractor license (or a B license when it is part of a larger multi-trade job). Any job of $1,000 or more in labor and materials needs a licensed contractor. Read our guide to the $1,000 rule.

How do I check a low voltage contractor's workers' comp?

Each profile shows the workers' comp type, insurer and policy dates from CSLB's file. Among Upland low voltage contractors, 40.9% are exempt (no employees), 59.1% insured and 0% without current coverage. Verify a policy with CSLB's insurer search (step by step).

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