ICC Study Guide 2026
Everything you need to pass the ICC exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
ICC exam key facts
- The ICC B1 Residential Building Inspector exam has 60 open-book multiple-choice questions, and each question has four options. Source
- Candidates get 2 hours to complete the ICC B1 Residential Building Inspector exam. Source
- ICC national certification exams require a scaled score of 75 to pass, and ICC contractor/trades exams require 70% or 75% correct, depending on the exam or jurisdiction. Source
- The ICC B1 Residential Building Inspector national certification exam is listed at $320.00 in the ICC Store, and the purchase is valid for 365 days. Source
- ICC certification candidates get six attempts at an exam within a six-month period and must wait ten days between attempts, unless the licensing board says otherwise. Source
- ICC certifications are valid for three years and must be renewed on or before their expiration date. Source
📋 ICC Exam Format at a Glance
📚 ICC Topics to Study (44)
✍️ Sample ICC Questions & Answers
1. Which of the following best describes the primary role of a building inspector?
Building inspectors verify that construction work complies with the adopted codes and the approved construction documents.
2. Which ICC group is tasked with identifying emerging technology and recommending new code provisions before a formal code change proposal is submitted?
ICC Ad Hoc Committees are formed to study emerging issues and develop recommendations that can inform future code change proposals.
3. What does the ICC's International Fire Code (IFC) require regarding the securing of hazardous materials storage to prevent unauthorized access?
The IFC requires hazardous materials storage areas to be secured with locks and accessible only to authorized personnel to prevent theft or sabotage.
4. Under the IBC, 'substantial improvement' to a structure located in a flood hazard area means any improvement whose cost equals or exceeds what percentage of the structure's market value?
The IBC defines substantial improvement in a flood hazard area as reconstruction, rehabilitation, or improvement whose cost equals or exceeds 50% of the structure's pre-improvement market value.
5. Which inspection verifies that all required inspections have been completed and that the structure is suitable for occupancy?
A final inspection is conducted to verify all required work is complete and the structure meets code requirements before a certificate of occupancy is issued.
6. Which sorting algorithm is stable by default, preserving the relative order of equal elements?
Merge Sort is stable because it always picks left-side elements first when two values are equal during merging.
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An AI chatbot can quiz you, but it can't reproduce the exam conditions or keep your record. Here you get:
- A timed, full-length ICC mock exam — 80 questions in 150 minutes with a 75% pass mark, modeled on the official exam's question count and time limit, followed by a score report broken down by exam domain.
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- Progress saved on your device: completed tests, scores and missed questions stay in My Progress, so you can retake only what you got wrong.
- A printable ICC cheat sheet you can print or save as a PDF.
- ICC flashcards built from the same question bank.
- Free ICC practice tests with the correct answer shown after each question.
How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy
Sources & references
Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy
- iccsafe.org — Retake policy, score release, renewal, score validity, test delivery, passing score, exam format, time limit · verified Oct 2026
- shop.iccsafe.org — Fees · verified Oct 2026