Low-voltage contractor (C-7) in San Marcos, CA

3 licenses · checked Oct 27, 2026

There are 3 Low-voltage contractor (C-7) licenses with an address of record in San Marcos, CA, in the CSLB License Master data checked Oct 27, 2026. That is 0.4% of the 754 such licenses statewide; San Marcos ranks #71 of 323 CA cities for this license type. They are spread across 2 ZIP codes; the most common are 92078 (2), 92069 (1). Most list San Diego County. By business type: Corporation 2, Sole Owner 1. The median first-issue year is 2017; the oldest license dates from 2016. 2 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 Marcos

Showing 3 of 3, A to Z. Listing order is alphabetical, not a recommendation.

Frequently asked questions

How many Low-voltage contractor (C-7) licenses are in San Marcos?

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 Marcos?

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 Marcos Low-voltage contractor (C-7) licenses expire soon?

2 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 Marcos

General building contractor (33) · Landscaping contractor (C-27) (19) · Electrical contractor (C-10) (12) · Plumbing contractor (C-36) (9) · Painting contractor (C-33) (9) · Tile contractor (C-54) (9) · Cabinet and finish carpentry contractor (C-6) (7) · Roofing contractor (C-39) (6) · Concrete contractor (C-8) (5) · General engineering contractor (3) · Flooring contractor (C-15) (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.