
Low-voltage contractor (C-7) in San Bernardino, CA
3 licenses · checked Oct 27, 2026
There are 3 Low-voltage contractor (C-7) licenses with an address of record in San Bernardino, CA, in the CSLB License Master data checked Oct 27, 2026. That is 0.4% of the 754 such licenses statewide; San Bernardino ranks #69 of 323 CA cities for this license type. They are spread across 3 ZIP codes; the most common are 92407 (1), 92408 (1), 92411 (1). Most list San Bernardino County. By business type: Limited Liability 1, Corporation 1, Sole Owner 1. The median first-issue year is 2019; the oldest license dates from 2018. 1 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 San Bernardino
Showing 3 of 3, A to Z. Listing order is alphabetical, not a recommendation.
- ALL About Splicing LLC#1035344 · 92407
- Datawatch Systems INC#1053948 · 92408
- Elihu Calvillo#1062743 · 92411
Frequently asked questions
How many Low-voltage contractor (C-7) licenses are in San Bernardino?
3 active licenses in the CSLB License Master data checked Oct 27, 2026 (0.4% 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 San Bernardino?
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 San Bernardino Low-voltage contractor (C-7) licenses expire soon?
1 of 3 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 San Bernardino
General building contractor (48) · Electrical contractor (C-10) (17) · HVAC contractor (C-20) (12) · Painting contractor (C-33) (11) · Plumbing contractor (C-36) (10) · Flooring contractor (C-15) (8) · Roofing contractor (C-39) (6) · General engineering contractor (5) · Tile contractor (C-54) (5) · Concrete contractor (C-8) (5) · Landscaping contractor (C-27) (3) · Drywall contractor (C-9) (3)
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.