R3
International Code Council·R3
r3exam.com is your dedicated R3 practice site: 1,000+ exam-style practice questions, organized across all 8 exam domains. Start with the free practice test — no card required.
- practice questions
- 1,000+
- exam domains
- 8
- practice test
- Free
What’s on the R3 exam
- Administrative (5%)
- Site (10%)
- Architectural and Life Safety (25%)
- Structural (25%)
- Energy Efficiency (5%)
- Mechanical (10%)
- Plumbing (10%)
- Electrical (10%)
Official exam blueprint domains — your practice bank mirrors this outline.
The R3 question bank follows the official exam blueprint across 8 domains, so your practice mirrors the real outline — and shows you exactly where you’re weak. See the full blueprint on r3exam.com →
Your R3 prep is one click away
The free R3 practice test, the full 1,000+ question bank and your readiness score — all on r3exam.com.
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