CSLB Quick Facts

License required for jobs over
$1,000
Minimum contractor bond
$25,000
Journey-level experience
4 years
Current exam passing scores
School-observed: 65% for Law & Business and 63% to 71% for trade exams; CSLB does not publish fixed passing scores

The CSLB oversees 46 contractor classifications in California.

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Become a Licensed C-16 Fire Protection Contractor

The C-16 Fire Protection license covers life-safety suppression systems, sprinklers, clean-agent, and kitchen-hood systems. It's one of the specialties general contractors cannot self-perform: two for B (General Building), three for B-2 (Residential Remodeling).

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Requirements

Minimum age
18+ is CSLB's normal applicant path. A minor may qualify only after a court appoints a guardian (BPC §7065.5)
Experience required
4 full-time-equivalent years of journey-level experience within the past 10 years; CSLB prorates part-time work
Contractor bond
$25,000

About the Exam

Exam format
2 parts (Law & Business + Trade)
Law & Business exam
115 questions
School-observed scores
65% Law / 69% Trade; not published as fixed by CSLB
Application fee
$450

License renews every 2 years. Governing code: CCR §832.16

About this classification

What does a C-16 Fire Protection contractor do?

A C-16 Fire Protection Contractor lays out, fabricates, and installs all types of fire-protection systems, including the equipment those systems require, but excluding electrical alarm systems. This is the suppression trade: putting out or controlling fire, not detecting it.

Per California Code of Regulations (Title 16, §832.16), a C-16 contractor installs wet- and dry-pipe sprinkler systems, clean-agent and special-hazard suppression, kitchen-hood suppression, and pre-action systems. Electrical fire-alarm systems are specifically excluded from this license.

The C-16 is one of the specialty classifications general contractors cannot self-perform: two for B, General Building (C-16, C-57 Well Drilling, per BPC §7057(c)); and three for B-2, Residential Remodeling (C-16, C-22 Asbestos Abatement, C-57, per BPC §7057.5(c)(1)). Either way, a general must hold the C-16 or subcontract it, making the license a reliable source of subcontract work across nearly every commercial project.

Official source: CSLB C-16 classification · CSLB fee schedule Last reviewed: March 2026

Scope of work

  • Wet-pipe and dry-pipe sprinkler systems
  • Clean-agent and special-hazard suppression
  • Commercial kitchen-hood suppression systems
  • Pre-action and deluge systems
  • Standpipe and hose systems
  • Fire pumps and water supply for suppression
  • High-rise sprinkler retrofits
  • Fire-protection system fabrication and layout

High-demand specialties

  • Commercial Sprinklers, Wet and dry systems for offices, retail, and warehouses
  • Clean-Agent Suppression, Data centers and special-hazard spaces
  • Kitchen-Hood Systems, Restaurant fire suppression
  • High-Rise Retrofits, Sprinkler upgrades for existing towers

Important notes

  • The C-16 covers fire-protection suppression systems, it specifically excludes electrical alarm systems, which fall under the C-10 (fire alarm wiring) and not the C-7.
  • The C-16 is one of the specialties general contractors cannot self-perform (two for B, three for B-2, which also can't self-perform C-22 Asbestos Abatement); they must hold the C-16 or subcontract it.
  • Fire water piping for suppression falls under the C-16, not the C-36 Plumbing license.
  • Projects over $1,000 (labor + materials) require a license, and workers' compensation coverage is required once you have employees; sole owners with no employees may file an exemption (BPC §7125(b)).

The CSLB exam

What's on the C-16 Fire Protection exam?

California requires you to pass a two-part CSLB exam: the Law & Business exam (the same for every classification) and the C-16 Fire Protection trade exam. CSLS has observed scores of 65% for Law & Business and 69% for the C-16 trade exam. CSLB does not publish fixed passing scores and may vary them by exam version.

1

Law & Business

Same for all classifications

  • 115 questions, multiple choice, computer-based
  • 3.5 hours allotted
  • Topics: California contractor law, business management, safety, estimating, project management
2

C-16 Trade Exam

Fire Protection-specific

  • about 100 questions, multiple choice, computer-based
  • 3.5 hours allotted
  • Topics: sprinkler system design, hydraulic calculations, suppression agents, fire codes and NFPA standards, water supply, installation and testing, safety

How to Get Your C-16 Fire Protection License

Step 1

Qualify

18+ is CSLB's normal applicant path. A minor may qualify only after a court appoints a guardian (BPC §7065.5). You also need a valid SSN/ITIN and 4 full-time-equivalent years of journey-level fire protection experience within the past 10 years; CSLB prorates part-time work. Up to 3 years may be substituted with approved education or apprenticeship.

Step 2

Apply to CSLB

Submit your application, get fingerprinted, and pay the $450 application fee. Processing times vary; check the CSLB's current processing times.

Step 3

Study & Prepare

Prepare for both exam parts, on your own or with a CSLS exam prep program. 99% of CSLS students pass on their first try, backed by our 100% Money-Back Guarantee.

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Step 4

Pass the Exam

Two parts: Law & Business (115q, 3.5 hrs) + C-16 Trade. Multiple choice, computer-based. CSLS has observed scores of 65% Law & Business / 69% C-16 Trade; CSLB does not publish fixed passing scores and may vary them by exam version.

Step 5

Get Licensed

Post your $25,000 contractor bond, pay the $200 license fee, and receive your C-16 license. You're officially in business.

Career outlook

Why get your C-16 Fire Protection license?

$60K–$95K

Typical CA Fitter Range

$80K–$160K+

Owner / Contractor Range

99%

First-Time Pass Rate

Code-mandated demand

Fire suppression is required by code in nearly every commercial building, so demand is steady and recession-resistant. Sprinkler fitters in California typically earn in the $60,000–$95,000 range as employees, with consistent work across new construction, tenant improvements, and high-rise retrofits.

A protected specialty

The C-16 is one of the classifications general contractors must subcontract or hold: B (General Building) has two, B-2 (Residential Remodeling) has three. That structural demand, combined with clean-agent and special-hazard niches like data centers, makes it one of the more secure specialty trades to build a business around.

Premium earning potential

Licensed C-16 contractors running their own businesses commonly earn $80,000–$160,000 or more. Because B and B-2 generals cannot self-perform fire protection, the C-16 is a built-in source of subcontract work and a strong competitive moat for projects over $1,000.

Wage data: U.S. Bureau of Labor Statistics (OES) and California EDD.

Exam Prep Programs

Compare C-16 Fire Protection Exam Prep Programs

Every program prepares you for the required CSLB exam for C-16 Fire Protection. Our 99% first-time pass rate is backed by the 100% Money-Back Guarantee on eligible programs.

Feature-by-feature comparison of all four CSLS exam prep programs
Features Most Popular All-Inclusive C-16 Fire Protection $1,195.00 Value: $2,500 Live Online C-16 Fire Protection $695.00 Value: $995 Crash Course C-16 Fire Protection $495.00 Value: $695 Home Study C-16 Fire Protection $295.00 Value: $395
Best For Comprehensive prep with maximum support Remote learners wanting live instruction Experienced pros with an exam date soon Self-directed independent learners
Law & Business Classes 4 Classes + Full-Day Review 4 Live Online + Review Full-Day Review Only Not included
Trade Math Training 30-Day Interactive + Review Online Video Review 14-Day Crash Course Not included
Test-Taking Skills Seminar 1-Day In-Person 1-Day Online Not included Not included
Law & Business Materials Online; binder add-on available Online; binder add-on available Online; binder add-on available Online; binder add-on available
Trade-Specific Materials Online; binder add-on available Online; binder add-on available Online; binder add-on available Online; binder add-on available
Study Materials Full Online Suite Online Materials + Audio/Video Online + Audio/Video Online + Audio
Online Videos Full Suite: L&B, Trade, H&S, Math Audio + H&S + Math Videos Audio + H&S + Math Videos L&B Audio + H&S Video
Law & Business Practice Exams 6 Months 2 Months 30 Days 30 Days
Trade Practice Exams 6 Months 2 Months 30 Days 30 Days
School Location Access 25+ Locations 25+ Locations 25+ Locations Self-Study Only
Application Assistance Preparation & Review Review Only Review Only Not included
Money-Back Guarantee Included Included Included Not included
Bond Fee Discount 50% off first-year bond, up to $120 Not included Not included Not included
Retail Value $2,500 $995 $695 $395
Choose a program Get All-Inclusive Get Live Online Get Crash Course Get Home Study

Not sure which fits? Call 800-809-6463. Prices and inclusions are subject to change.

Labor Day 2026 Contractor License Exam Prep Bundle promotion for General A, B, B-2, all other trades, and Spanish programs.

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Common Questions

C-16 Fire Protection license FAQ

The C-16 (Fire Protection) installs suppression systems, sprinklers, clean-agent, and kitchen-hood systems that put out or control fire. The C-7 (Low Voltage) handles security, sound, and data cabling but is specifically barred from fire alarm. Fire alarm wiring itself belongs to the C-10. So the C-16 suppresses fire, the C-10 wires the alarm that detects it, and the C-7 does neither.
No. The C-16 covers fire-protection suppression systems but specifically excludes electrical alarm systems. Fire alarm wiring falls under the C-10 Electrical classification. The C-16 installs the sprinklers and suppression that act on a fire; a C-10 wires the detection and alarm system.
A B (General Building) contractor cannot self-perform two specialties: C-16 Fire Protection and C-57 Well Drilling (BPC §7057(c)). A B-2 (Residential Remodeling) contractor cannot self-perform three: those same two plus C-22 Asbestos Abatement (BPC §7057.5(c)(1)). On any project with fire suppression, the general must either hold the C-16 or subcontract a licensed C-16 contractor. This makes the C-16 a steady source of subcontract work.
Budget about $885 in state and processing costs before exam prep: roughly $450 for the application (both exams bundled), $200 for license issuance, around $150 for the first-year premium on your $25,000 bond, and about $85 for fingerprinting. Business insurance and renewals are separate.
Typically 2–4 months from application to license-in-hand, including CSLB processing (2–4 weeks), scheduling and passing both exams, and posting your $25,000 bond. With CSLS exam prep, most fire-protection professionals are exam-ready in 4–6 weeks.
4 full-time-equivalent years of journey-level fire protection experience within the past 10 years; CSLB prorates part-time work. Qualifying work may be as a journeyperson, foreperson, supervising employee, contractor, or owner-builder. Up to three years can be satisfied with approved technical training, apprenticeship, or education.
The C-16 trade exam is multiple-choice and covers sprinkler design, hydraulic calculations, suppression agents, fire codes and NFPA standards, and water supply. You need the current version-specific CSLB passing score to pass. With CSLS exam prep, 99% of students pass on their first attempt, backed by our 100% Money-Back Guarantee.
California has reciprocity with Arizona, Louisiana, Mississippi, Nevada, and North Carolina that may waive the C-16 trade exam if you hold a comparable license in good standing. You still must pass the California Law and Business exam and meet all application requirements. CSLS can help you confirm whether your license qualifies.

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