Fire protection contractor (C-16) in Ontario, CA

3 licenses · checked Oct 27, 2026

There are 3 Fire protection contractor (C-16) licenses with an address of record in Ontario, CA, in the CSLB License Master data checked Oct 27, 2026. That is 1.1% of the 284 such licenses statewide; Ontario ranks #14 of 182 CA cities for this license type. They are spread across 2 ZIP codes; the most common are 91761 (2), 91762 (1). Most list San Bernardino County. By business type: Corporation 3. The median first-issue year is 2015; the oldest license dates from 2015. 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 Fire protection contractor (C-16) license covers

Fire Protection (C-16) covers fire sprinkler, standpipe and similar fire protection systems.

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.

Fire protection contractor (C-16) licenses in Ontario

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

Frequently asked questions

How many Fire protection contractor (C-16) licenses are in Ontario?

3 active licenses in the CSLB License Master data checked Oct 27, 2026 (1.1% of CA).

What does a Fire protection contractor (C-16) license cover?

Fire Protection (C-16) covers fire sprinkler, standpipe and similar fire protection systems.

How do I verify a Fire protection contractor (C-16) license in Ontario?

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 Ontario Fire protection contractor (C-16) 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 Ontario

General building contractor (45) · Electrical contractor (C-10) (31) · General engineering contractor (16) · Painting contractor (C-33) (13) · HVAC contractor (C-20) (13) · Plumbing contractor (C-36) (10) · Low-voltage contractor (C-7) (9) · Landscaping contractor (C-27) (7) · Drywall contractor (C-9) (6) · Tile contractor (C-54) (4) · Cabinet and finish carpentry contractor (C-6) (4) · Flooring contractor (C-15) (3)

All Fire protection contractor (C-16) licenses in CA →

Source: CSLB License Master. Licensed California is independent and not affiliated with the licensing agency. Data checked Oct 27, 2026.