Plumbing contractors in
Hilo, Hawaii.
A public directory of plumbing contractor businesses serving greater Hilo. Market data, licensing requirements, and cost benchmarks — updated continuously from public sources.
Plumbing jobs in Hilo
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Common Job Costs
Licensing Requirements
Licensing Requirements
Requires Journeyman Plumber license through Hawaii Department Commerce and Consumer Affairs. Must complete 4-year apprenticeship or equivalent experience, pass written and practical exams, and renew every 2 years with 16 hours continuing education. Contractors need additional C-37 Plumbing Contractor license requiring 4 years journey-level experience and business law exam.
Permit Requirements
Plumbing permits required through County of Hawaii Building Division for all installations, repairs over $500, and water heater replacements. Permit fees range $50-200 depending on scope. Septic work requires additional Health Department permits.
Inspection Schedule
Rough-in inspection before covering work, final inspection before occupancy. Water heater installations require inspection within 24 hours of completion. Sewer connections require Health Department inspection.
Insurance Minimums
General liability minimum $300,000 per occurrence, $600,000 aggregate. Workers compensation required for employees. Contractor license requires $8,000 surety bond.
Local market snapshot
Source: DoorBase, aggregated public ZIP-level data. Updated 7/17/2026.
How to Get Licensed
Complete apprenticeship or experience
Finish 4-year apprenticeship program with 8,000 hours on-the-job training and 576 classroom hours, or document equivalent journey-level experience for DCCA review
Apply for Journeyman Plumber license
Submit application to Hawaii DCCA with $115 fee, proof of experience/apprenticeship completion, and required documentation
Pass licensing examinations
Take and pass both written plumbing exam and practical skills test administered by state, costs $80 examination fee
Apply for Contractor license
After obtaining journeyman license and 4 years journey-level experience, apply for C-37 Plumbing Contractor license with $185 fee
Obtain surety bond and insurance
Secure required $8,000 surety bond and minimum insurance coverage before contractor license activation
Complete continuing education
Maintain licenses with 16 hours continuing education every 2 years and timely renewal payments
About This Market
Hilo's plumbing market serves 45,000 residents dealing with constant moisture, volcanic soil conditions, and aging infrastructure from the 1960s-80s building boom. High rainfall drives steady demand for drain cleaning, pipe repairs, and water intrusion issues. With roughly 25-30 active plumbing contractors serving the Big Island, competition is moderate but specialization in septic systems and older home retrofits commands premium pricing. Material costs run 15-20% above mainland due to shipping, and labor rates reflect Hawaii's high cost of living with median wages at $39.81/hour. The second paragraph continues: Getting licensed here means navigating state bureaucracy that moves like molasses - plan 6-8 months for full licensing. County permitting is straightforward but inspectors are strict on code compliance, especially for older home modifications. Peak season October-March brings emergency calls from storm damage and failing systems, but year-round tourist economy keeps commercial work steady. Success requires building relationships with local suppliers, understanding cesspool-to-septic conversion regulations, and pricing jobs to account for Big Island logistics. Skip the fancy marketing - word of mouth and reliable emergency response build your client base here.
- Median hourly wage $39.81U.S. Bureau of Labor Statistics
- 396 licensed establishments in HawaiiU.S. Census Bureau
- Licensing requirements and feesHawaii Department of Commerce and Consumer Affairs
- Permit requirementsCounty of Hawaii Building Division
- Insurance minimumsHawaii Contractors License Board
Frequently Asked Questions
What does a plumbing contractor license cost in Hawaii?
Initial Journeyman Plumber license costs $115 application fee plus $80 examination fee. C-37 Plumbing Contractor license requires additional $185 application fee and $8,000 surety bond. Source: Hawaii DCCA licensing division.
How much do plumbers make in Hilo, Hawaii?
Median hourly wage is $39.81 or $82,805 annually according to Bureau of Labor Statistics data. Experienced contractors often earn significantly more, especially those handling commercial and emergency work.
Do I need permits for water heater installation in Hilo?
Yes, all water heater installations require plumbing permits through County of Hawaii Building Division, typically $50-75. Installation must be inspected within 24 hours of completion per county code.
What's the apprenticeship requirement for plumbers in Hawaii?
Hawaii requires 4-year apprenticeship totaling 8,000 hours on-the-job training plus 576 hours classroom instruction, or equivalent journey-level experience verified by Hawaii DCCA before taking licensing exam.
How many plumbing contractors operate in Hawaii?
Approximately 396 licensed plumbing establishments operate statewide according to Census Bureau data, with roughly 25-30 active contractors serving the Big Island including Hilo market.
Plumbing contractors in Hilo
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