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PROFESSIONAL HOME INSPECTION INSTITUTE
Home Inspector Training and Certification Online

Residential Building Inspector (B1) IRC Exam Prep Course

B1 ICCLength: 40-Hours (Online) Fees: $299

Master the 2024 International Residential Code and Earn Your ICC B1 Certification. Prepare for the International Code Council (ICC) Residential Building Inspector B1 exam with PHII’s comprehensive online prep course. This course is specifically designed for home inspectors, contractors, and code officials who want to master the 2024 International Residential Code (IRC). Our training provides the technical knowledge and exam-taking strategies you need to pass the ICC national exam on your first attempt.

Become ICC B1 Certified — Unlock the Work Other Inspectors Can’t Touch

If you’re a home inspector and you’re not ICC B1 certified, you’re leaving serious money on the table. Cities across the country now require ICC-certified inspectors for rental licensing, habitability checks, and short-term rental (AirBnB/VRBO) compliance. Without the B1, you’re legally locked out of this additional revenue. With it, you own the market.

PHII’s 2024 IRC B1 Exam Prep Course gives you exactly what you need to pass—fast. No fluff. No wasted time. Just the code knowledge, navigation skills, and exam strategy to get certified and start charging for higher-value inspections.

PHII's online Certification Course is organized into 9 clear, easy-to-master modules that build your skills step by step. Updated for 2026, the course delivers clear, field-ready training designed specifically for those new to the Residential Building Code certification field.

You'll master every 2024 IRC topic through clear lessons, practical examples, and technician-friendly explanations that make complex subjects easy to understand. You'll also get targeted exam strategies, section-specific quizzes, and full practice tests with answer explanations to dramatically improve your pass rate.

Why Inspectors Choose the B1

  • Immediate revenue expansion — rental inspections, STR permits, and municipal compliance work
  • First in line for new-construction inspections — the B1 is step one toward full R5 Combination
  • Real credibility — ICC certifications are the credentials building departments actually respect
  • National portability — take your certification anywhere


Course Curriculum
This prep course breaks down the 2024 IRC into digestible lessons, ensuring you understand the "why" behind the codes.

  • Building Planning: Understanding structural safety, fire-resistant construction, and means of egress.
  • Foundations & Soils: Detailed analysis of footings, foundation walls, and crawl space requirements.
  • Floor & Wall Construction: IRC standards for wood, steel, and masonry assembly.
  • Roof & Ceiling Systems: Comprehensive look at roof framing, sheathing, and weather protection.
  • Chimneys & Fireplaces: Critical safety standards for residential masonry and factory-built fireplaces.


What's Included in the Course

  • Comprehensive online study guide covering all B1 exam categories.
  • Video guide for highlighting and tabbing your 2024 IRC codebook
  • Unlimited practice exams designed to simulate the actual ICC testing environment.
  • Speed drills and flashcards that include diagrams and illustrations
  • Bonus materials and resources
  • $289 AHI Membership, $149 Inspecthost Business Website


Take the next step in your career as a certified Residential Building Inspector. Enroll today and start mastering the 2024 IRC!


Office Hours 8am - 8pm CST Mon-Fri, 9am - 1pm Sat. Call 605-427-2908


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