Hawaii Fire Sprinkler Contractor License Requirements (2026)

Hawaii regulates fire sprinkler work through two parallel programs. The Department of Commerce and Consumer Affairs (DCCA) Contractors License Board issues the C-20a Fire Repressant Systems specialty contractor license under HRS Chapter 444 — this license authorizes installation of tanks, piping, sprinkler heads, dry chemical, CO2, and halon systems related to fire suppression. Separately, the Hawaii State Fire Council certifies individual systems testers for water-based extinguishing systems (automatic sprinklers, fire pumps, and private fire hydrants), with NICET Level II commonly required by AHJs. Both credentials are needed in practice: the C-20a authorizes the contractor company, and the State Fire Council certification authorizes the individual technician to perform inspection, testing, and maintenance.

Governing Authority

This license is issued and enforced by Hawaii Department of Commerce and Consumer Affairs — Professional and Vocational Licensing Division, Contractors License Board (DCCA-PVL) pursuant to Hawaii Revised Statutes Chapter 444; Hawaii Administrative Rules Title 16 Chapter 77. The Contractors License Board licenses Class A General Engineering, Class B General Building, and Class C Specialty contractors statewide. The DCCA-PVL Board of Electricians and Plumbers separately licenses individual electricians and plumbers.

Official portal: https://cca.hawaii.gov/pvl/boards/contractor/
Address: King Kalakaua Building, 335 Merchant Street, Room 301, Honolulu, HI 96813
Phone: (808) 586-3000

Eligibility Requirements

At a minimum the applicant has to be 18 years old and supply a valid Social Security Number. No Hawaii residency requirement, but the company must register with the Hawaii Department of Commerce and Consumer Affairs Business Registration Division.

Good moral character

CLB reviews each Responsible Managing Employee (RME) and applicant for fitness, including disclosure of prior contractor discipline.

Background investigation

Mandatory disclosure of criminal history.

Experience & Education Matrix

Plan to substantiate four years of journey-level fire repressant systems experience supervised by a licensed fire protection contractor; the qualifying RME must have been in a supervisory or comparable role for at least one of those four years with hard records. Payroll, tax, project logs, and supervisor verification are what the board relies on when it reviews the claim.

Accepted proof of experience or eligibility

CLB Verification of Experience form signed by each prior employer
W-2 or 1099 records covering the qualifying period
NICET Water-Based Systems Layout certification (recommended; required by Hawaii AHJs in practice)

Education substitution

A B.S. in a related engineering discipline may substitute for portions of the experience requirement at CLB discretion.

Examination Structure

The licensing examination is delivered by PSI Services LLC (under contract to the Hawaii Contractors License Board). All of the following parts must be cleared prior to issuance:

C-20a Fire Repressant Systems trade examination — NFPA 13/13R/13D, NFPA 25, hydraulics, installation, hazard classification — 100 questions, 240 minutes, passing score 75%
Hawaii Contractors Business and Law Examination — 60 questions, 120 minutes, passing score 75%

Examination fee: $75 per PSI exam attempt.

Retake policy: Failed exams may be re-taken after a 30-day waiting period and a new fee.

Insurance & Financial Security

The cited state source set does not require a contractor license surety bond for this credential. Contractors should still confirm project-specific bond, permit-bond, or public-works bond requirements before bidding.

General liability

CLB requires general liability insurance for the C-20a license. $1,000,000 per occurrence is the practical floor for Hawaii commercial work.

Workers' compensation

Workers' compensation insurance is mandatory in Hawaii under HRS §386 for any business with one or more employees.

Additional financial requirements

CLB requires the applicant to demonstrate financial solvency on the C-20a application.

Application and License Fees

Fee	Amount
Application (non-refundable)	$100
Examination	$150
Initial license	$100
Renewal (every 3 years)	$100

Maintenance & Renewal

Expect to renew the Hawaii C-20a Fire Repressant Systems Specialty Contractor (Contractors License Board) + State Fire Council Systems Tester Certification every 2 years. Renewal currently costs $100. C-20a licenses renew on the CLB cycle ending September 30 of even-numbered years; State Fire Council Systems Tester certifications run on a three-year cycle.

Continuing education: CLB does not impose CE for the C-20a license, but the State Fire Council Systems Tester certification renewal requires demonstration of continuing competence and the underlying NICET certification must remain current.

Downloadable Asset

2026 Hawaii Fire Sprinkler License Roadmap (PDF) — a printable step-by-step checklist for the application process.

Download the PDF roadmap →

Reciprocity and Endorsement

Hawaii does not accept the NASCLA Accredited Examination for this classification.

Reciprocal State	Accepted Exam	Conditions
No formal bilateral reciprocity agreements identified.

Hawaii does not formally reciprocate fire sprinkler licenses. Out-of-state qualifiers must pass both Hawaii PSI exams (trade and business and law) regardless of any other state license held.

Weighing more than one jurisdiction? The national hub compares Fire Sprinkler license requirements in every state — exam, bond, fee, and experience thresholds side by side.

Step-by-Step Application Roadmap

Document four years of fire repressant experience. Complete the CLB Verification of Experience form signed by each prior licensed contractor employer covering supervised journey-level fire repressant work.
Designate a Responsible Managing Employee (RME). The RME must be a bona fide full-time employee or owner of the applicant entity.
Submit the CLB C-20a application. File with the experience verification, RME designation, financial solvency disclosures, and the application fee.
Pass both PSI exams at 75%+. Pass the C-20a trade exam and the Hawaii Contractors Business and Law exam.
File insurance certificates. File certificates of GL, workers compensation, and any required Hawaii-specific endorsements.
Receive the C-20a license. CLB issues the C-20a specialty license after document review.
Obtain Hawaii State Fire Council Systems Tester certification. Each individual technician performing inspection, testing, and maintenance of water-based extinguishing systems must hold the State Fire Council certification (NICET Level II commonly required).
Coordinate plan review with the local fire department. Each project requires sealed plans, hydraulic calculations, county fire department plan review, and acceptance testing per NFPA 13 chapter 25.

Common Filing Mistakes

Working from the cited board instructions, here are the snags most likely to trip up a Hawaii Fire Sprinkler filing.

Confusing C-20a with C-37b

C-20a is fire repressant systems. C-37b is irrigation and lawn sprinklers — completely different scope. Filing under the wrong classification triggers automatic denial.

No State Fire Council certification for testers

A C-20a license alone does NOT authorize an individual to inspect, test, or maintain water-based systems. Each technician needs the State Fire Council Systems Tester certification.

Missing the 75% passing score

Hawaii requires 75% (not 70%) on both PSI exams. Studying to a 70% target is a common reason candidates fail.

Inter-island freight delays for plan review

Each county fire department reviews plans separately. A Honolulu approval does not transfer to Maui or Hawaii County. Inter-island logistics for sealed plans add weeks to schedule.

RME not bona fide

CLB investigates RME relationships. A qualifier who is not a real full-time employee or owner triggers a citation and license revocation.

Study and Reference Materials

What follows are the regulator-cited and commonly used preparation references for this trade. They appear here for convenience only; CLR takes no compensation for them.

NFPA 13 — Standard for the Installation of Sprinkler Systems — National Fire Protection Association. Primary reference for the C-20a trade exam.
NFPA 25 — Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems — National Fire Protection Association. Required for State Fire Council Systems Tester certification.
Hawaii Contractors Reference Manual — Hawaii CLB / PSI. Primary reference for the Business and Law exam.
NICET Water-Based Systems Layout Reference Guide — NICET. Required by Hawaii AHJs in practice.

Pre-Submission Checklist

The items below are the ones worth confirming before the application is filed with DCCA-PVL:

☐ Four years documented fire repressant systems experience
☐ Designated full-time RME
☐ PSI C-20a trade exam pass certificate (75%+)
☐ PSI Hawaii Business and Law exam pass certificate (75%+)
☐ CLB application and fee
☐ General liability and Hawaii workers compensation certificates
☐ Hawaii State Fire Council Systems Tester certification per technician (water-based category)
☐ County fire department plan review and acceptance testing per project

Other Hawaii Trade Licenses

If the Fire Sprinkler license is not the right fit, the following published Hawaii trade guides are also covered by CLR:

Frequently Asked Questions

What is the C-20a license in Hawaii?

C-20a Fire Repressant Systems is the Hawaii specialty contractor classification for installing tanks, piping, sprinkler heads, dry chemical, CO2, and halon fire suppression systems. It is the contractor license required to engage in fire sprinkler work in Hawaii.

Do I need a separate Systems Tester certification in Hawaii?

Yes for individual technicians performing inspection, testing, and maintenance of water-based extinguishing systems. The Hawaii State Fire Council certifies systems testers across four categories (water-based, fire alarm, portable extinguishers, non-water-based suppression). NICET Level II is commonly required by AHJs.

How much is the Hawaii Systems Tester license fee?

$100 per category for an initial license valid for three years; $50 per category for renewals.

How often does the C-20a license renew?

Every two years on the CLB cycle ending September 30 of even-numbered years. The State Fire Council certifications run on a separate three-year cycle.

Does Hawaii reciprocate fire sprinkler licenses?

No. Out-of-state qualifiers must pass both Hawaii PSI exams (C-20a trade and Business and Law) regardless of any other state license held.

Primary Sources

Regulatory requirements on this page are drawn from the official board, statute, and exam-provider materials listed below.

Verified 2026-04-22 · Next scheduled review 2026-07-21