ICC B1 Residential Building Inspector Exam Voucher
The ICC B1 Residential Building Inspector Certification is a nationally recognized credential that certifies your ability to inspect one- and two-family dwellings for compliance with the International Residential Code (IRC).
It validates essential knowledge in structural safety, building planning, and residential construction standards—ideal for aspiring building inspectors, contractors, site supervisors, project managers, architects, engineers, and plan reviewers.
Exam Highlights:
- 60 multiple-choice questions
- 2-hour time limit
- Open-book format (using the 2021 or 2024 IRC edition—must match your chosen exam version)
- Available online via PRONTO remote proctoring or in-person at Pearson VUE testing centers
Purchase an exam voucher valid for 12 months, then schedule through your myICC account. A key first step toward becoming a certified residential or combination inspector.
What is the B1 Certification?
The ICC B1 Residential Building Inspector certification is a professional Inspector-level credential that demonstrates a candidate’s ability to inspect residential construction for compliance with building codes. Issued by the International Code Council, this certification validates a professional’s knowledge of structural safety, building planning, and construction requirements for one- and two-family dwellings.
Candidates who earn the B1 certification demonstrate their ability to perform building inspections based on the International Residential Code (IRC). This globally recognized credential is widely used by municipalities, private inspection agencies, and construction professionals responsible for ensuring residential buildings meet safety and regulatory standards.
Who Should Take the B1 Exam?
The B1 Residential Building Inspector certification is ideal for:
Aspiring Building Inspectors working in municipal or private inspection agencies
Construction Professionals such as contractors, site supervisors, and project managers
Architects, Engineers, and Plan Reviewers involved in residential construction compliance
This certification is often the first step toward becoming a certified residential or combination inspector.
B1 Exam Details & Format
Exam ID: B1
Certification Name: Residential Building Inspector
Category: National Certification
Level: Inspector
Code Year: 2021 or 2024 International Residential Code (IRC)
Reference Books:
International Residential Code (IRC) – 2021 or 2024 Edition (depending on the exam version selected)
Exam Format:
60 Multiple Choice Questions
2 Hour Time Limit
Open Book Exam
Testing Method:
PRONTO (Online Remote Proctoring)
Pearson VUE CBT (Testing Center)
Voucher Validity:
12 months from the date of purchase.
Redemption Instructions
Purchase your B1 Residential Building Inspector exam voucher.
Receive your unique ICC voucher code via email.
Log in to your myICC account.
Schedule your exam through PRONTO or Pearson VUE and enter your voucher code during checkout.
Frequently Asked Questions
Which code book is used for the B1 exam?
The B1 exam is based on the International Residential Code (IRC). Candidates may take either the 2021 or 2024 IRC exam version, and the reference book must match the exam version selected.
Is the B1 exam open book?
Yes. ICC certification exams are open-book. Candidates are permitted to use the International Residential Code (IRC) during the exam.
How long is the exam voucher valid?
ICC exam vouchers are valid for 12 months from the purchase date, allowing candidates flexibility when scheduling their exam.
Can the B1 exam be taken online?
Yes. Candidates may take the exam through PRONTO remote online proctoring or at a Pearson VUE testing center.
