Access the National Model Codes and user's guides
The National Model Codes and user's guides are developed by the Canadian Board for Harmonized Construction Codes and published by the National Research Council of Canada (NRC).
You can access these documents for free in electronic format through the NRC Publications Archive.
To purchase printed copies:
- Order online through the NRC Virtual Store, or
- Send a completed order form (PDF, 264 KB) to Codes Canada Publication Sales by email or regular mail.
To find out which codes and regulations apply in your area, contact the appropriate provincial or territorial official.
Learn more about the National Plumbing Code of Canada 2025 and code provision or about the code development system on the Canadian Board for Harmonized Construction Codes website.
Publication details
244 pages
ISBNs and catalogue numbers
Paper: ISBN 978-0-660-77003-1,
Cat. No. NR24-29/2025E
PDF: ISBN 978-0-660-77002-4,
Cat. No. NR24-29/2025E-PDF
Formats available
- Binder: $66.00 CAD
- Soft cover: $60.00 CAD
- Free PDF file available through the NRC Publications Archive
Other enquiries
For questions about Code licensing, sales, technical support, to obtain accessible copies, or to learn about other accommodations, please contact the NRC's Codes Canada team.