Idaho Contractor License Guide

Official requirements, fees, exam info, and step-by-step application process for Idaho (ID).

Last Updated March 2026 🏛️ Idaho Division of Building Safety

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At a Glance: Idaho Contractor License

ItemDetails
Licensing BoardIdaho Division of Building Safety
License Types
  • Public Works Contractor
  • Electrical
  • Plumbing
  • HVAC
  • General (no state license)
License ThresholdNo state GC license; public works require registration
Application Fee$100–$400 for trade licenses
Exam RequiredYes
Exam ProviderPSI / ICC
Exam Cost$65–$120
Experience RequiredVaries by trade
Insurance RequiredRequired per trade
License RenewalAnnual

Step-by-Step: How to Get Your Idaho Contractor License

  1. Determine if your work requires state trade license (electrical, plumbing, HVAC)
  2. For general contracting, obtain local business license
  3. Pass applicable trade exam
  4. Register with Division of Building Safety
  5. Obtain required insurance per trade

Exam Requirements

Provider: PSI / ICC

Cost: $65–$120

Topics covered: Idaho codes, Trade knowledge

Most state contractor exams test two main areas: Business & Law (contracts, lien law, workers' comp, licensing regulations) and Trade Knowledge (construction practices, building codes, safety). Prepare for both sections — even experienced contractors struggle with the Business & Law portion without dedicated study.

Study Resources

  • PSI Candidate Handbook (available on PSI website — free, covers exactly what's on the exam)
  • ICC Study Guides for code-based exams
  • Contractor's Business & Law Study Guide by Craftsman Book Company
  • Online prep courses from Contractor Exam Prep and similar providers

Insurance & Bonding Requirements

Required per trade

Beyond what Idaho requires, consider these coverage types for complete protection:

  • General Liability: Protects against third-party bodily injury and property damage claims
  • Workers' Compensation: Required if you have employees; protects against job-site injury claims
  • Commercial Auto: Your personal auto policy won't cover your work truck
  • Inland Marine (Tools & Equipment): Covers tool theft from job site or vehicle
→ Read: Complete Contractor Insurance Guide

Reciprocity

Idaho has the following reciprocity agreements with other states:

No active reciprocity agreements.

Important: Reciprocity agreements change over time. Always contact the Idaho licensing board directly to confirm current reciprocity status before assuming your out-of-state license qualifies for expedited licensure.

Important Notes for Idaho

Idaho has no state general contractor license — work directly with local permit offices. Electrical, plumbing, and HVAC trades do require state licensure.

Frequently Asked Questions

  • Do I need a contractor license in Idaho?
    Yes. In Idaho, contractors are required to be licensed for projects valued at No state GC license; public works require registration. The licensing is managed by the Idaho Division of Building Safety. Operating without a license can result in fines and inability to enforce contracts.
  • How much does a Idaho contractor license cost?
    The application fee for a Idaho contractor license is $100–$400 for trade licenses. An exam fee of $65–$120 is also required for the PSI / ICC exam. Renewal is Annual.
  • Is an exam required for a Idaho contractor license?
    Yes. Idaho requires passing the PSI / ICC exam (cost: $65–$120) covering Idaho codes and Trade knowledge. Passing the exam is a prerequisite before applying for your license.
  • What insurance is required for a Idaho contractor license?
    Idaho requires the following insurance for contractor licensing: Required per trade. This is the minimum required — most contractors carry higher limits for additional protection on job sites.
  • How long does it take to get a contractor license in Idaho?
    Getting a Idaho contractor license typically involves 5 steps: obtaining required experience (Varies by trade), passing the exam, securing insurance, and submitting the application to the Idaho Division of Building Safety. Processing times vary but most applications are decided within 4–8 weeks after submission.

Official Resources

Always verify requirements directly with the Idaho Division of Building Safety. Requirements, fees, and exam procedures change frequently — this guide is updated periodically but may not reflect the most recent changes.

[SEEK EXPERT ADVICE] Licensing requirements change frequently. Always verify current requirements with your state's official licensing board before applying. AI Disclaimer
AI-generated content is for informational purposes only and does not constitute professional, legal, or licensing advice. Always verify requirements with your state's official licensing board. Full AI Disclaimer