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About this exam

The ICC R5 is a certification exam in the International Code Council's credentialing program for construction codes and standards. The ICC describes its credentialing program as "one of the most historic and prestigious credentialing programs for construction codes and standards" and states that it is "committed to upholding the highest standard through continuous review and partnership with experienced professionals." This page is an independent study resource and is not affiliated with, endorsed by, or sponsored by the International Code Council.

On this page, the R5 exam is organized into five study domains: General Requirements and Administration (20%), Building Planning and Foundations (25%), Floor, Wall, and Roof Construction (25%), Energy Efficiency and Interior Environment (15%), and Fire and Life Safety Provisions (15%). The weighting reflects a residential code focus, with the largest shares given to planning, foundations, and structural assemblies, and smaller shares to energy and fire provisions.

The credential suits code officials, inspectors, plans examiners, and building safety professionals who work with residential provisions and want to demonstrate code knowledge. ICC's site lists a separate Exam Catalog, a journey guide covering before, during, and after the exam, administration rules, and PRONTO scheduling tools; candidates should consult those official pages for current scheduling and policy details.

To prepare, work domain by domain in proportion to the weights, read the applicable code text directly, and practice applying provisions to realistic scenarios rather than memorizing tables. Verify all exam logistics with ICC directly.

What you'll study

Common questions

About ICC R5 preparation

What is the ICC R5 exam?

It is a certification exam offered within the International Code Council's credentialing program, which ICC describes as one of the most historic and prestigious credentialing programs for construction codes and standards. This independent page organizes study material into five domains weighted toward building planning, foundations, and floor, wall, and roof construction. Confirm the exam's current scope and title in ICC's Exam Catalog.

What format is the exam?

The available ICC source material does not state the item format, question count, or whether references are permitted for this exam. Treat any format claim you see elsewhere as unverified. Check ICC's Exam Catalog and the before, during, and after exam journey pages, which ICC publishes specifically to explain exam administration.

How long is the exam and what score do I need to pass?

Those values are not published in the source material available here, so this page does not state a duration or passing score. Do not rely on figures from older study guides, since exams are revised. Confirm timing and scoring directly with ICC Credentialing before you schedule.

How much does the exam cost, and can I retake it?

The available source does not list a fee or a retake policy for this exam. ICC directs candidates to review all rules and policies before exam day and publishes candidate request forms and administrative rules. Contact ICC Credentialing at [email protected] or 1-888-ICC-SAFE (422-7233) ext. 0 for current fees and retake terms.

How should I order my study time?

Follow the domain weights: spend about a quarter each on Building Planning and Foundations and on Floor, Wall, and Roof Construction, a fifth on General Requirements and Administration, and roughly 15 percent each on Energy Efficiency and Interior Environment and Fire and Life Safety Provisions. Within each domain, read the governing code sections before drilling practice questions.

Which domain trips up candidates most?

The two 25 percent construction domains carry the most weight, so errors there cost the most. A common failure mode is memorizing isolated numbers without understanding where a provision applies, such as confusing foundation, floor, wall, and roof requirements. Practice locating provisions quickly in the code text, since exam-day time pressure, not knowledge gaps, often decides outcomes.

How do I schedule the exam?

ICC lists PRONTO and PRONTO@work among its credentialing tools, along with an Exam Catalog and exam administration guidance. Use those official channels to select the exam and book a time. This page does not reproduce scheduling steps because the source does not detail them; verify the current process with ICC Credentialing.

Does this page replace official ICC materials?

No. This is independent study content and is not affiliated with or endorsed by the International Code Council. ICC publishes the authoritative Exam Catalog, candidate rules, administrative policies, and forms. Use this page to plan domain-weighted study, then confirm every logistical detail, including any policy updates, through ICC's official channels.