
Low-voltage contractor (C-7) in Fontana, CA
4 licenses · checked Oct 27, 2026
There are 4 Low-voltage contractor (C-7) licenses with an address of record in Fontana, CA, in the CSLB License Master data checked Oct 27, 2026. That is 0.5% of the 754 such licenses statewide; Fontana ranks #42 of 323 CA cities for this license type. They are spread across 2 ZIP codes; the most common are 92336 (3), 92335 (1). Most list San Bernardino County. By business type: Sole Owner 2, Corporation 2. The median first-issue year is 2017; the oldest license dates from 2015. 3 of them come up for renewal or expiration in the next 12 months, so re-check status before you sign a contract.
What a Low-voltage contractor (C-7) license covers
Low Voltage Systems (C-7) covers communications, alarm, voice, data and similar systems up to 91 volts.
How to verify a license
Enter the license number in CSLB Instant License Check and confirm the status is active, the classification matches the work, and the contractor has a current bond and workers' compensation coverage (or a valid exemption). California requires the license number on contracts and advertising. Official lookup: CSLB Instant License Check.
Low-voltage contractor (C-7) licenses in Fontana
Showing 4 of 4, A to Z. Listing order is alphabetical, not a recommendation.
- Nextgen LOW Voltage Installations#1028633 · 92335
- Precise Fiber Communications#1040300 · 92336
- TMY Communications INC#1032230 · 92336
- Z S C Instrumentation AND Control Specialist#1000287 · 92336
Frequently asked questions
How many Low-voltage contractor (C-7) licenses are in Fontana?
4 active licenses in the CSLB License Master data checked Oct 27, 2026 (0.5% of CA).
What does a Low-voltage contractor (C-7) license cover?
Low Voltage Systems (C-7) covers communications, alarm, voice, data and similar systems up to 91 volts.
How do I verify a Low-voltage contractor (C-7) license in Fontana?
Enter the license number in CSLB Instant License Check and confirm the status is active, the classification matches the work, and the contractor has a current bond and workers' compensation coverage (or a valid exemption). California requires the license number on contracts and advertising. Use the license number shown here with the CSLB Instant License Check.
How many Fontana Low-voltage contractor (C-7) licenses expire soon?
3 of 4 have an expiration date in the next 12 months. A license that lapses must be renewed before the holder can work under it again.
Other license types in Fontana
General building contractor (55) · Electrical contractor (C-10) (16) · Painting contractor (C-33) (10) · Plumbing contractor (C-36) (9) · HVAC contractor (C-20) (9) · Drywall contractor (C-9) (8) · General engineering contractor (7) · Swimming pool contractor (C-53) (7) · Landscaping contractor (C-27) (7) · Tile contractor (C-54) (7) · Flooring contractor (C-15) (5) · Cabinet and finish carpentry contractor (C-6) (5)
All Low-voltage contractor (C-7) licenses in CA →
Source: CSLB License Master. Licensed California is independent and not affiliated with the licensing agency. Data checked Oct 27, 2026.