How do I know if my plumbing meets current code?

Your plumbing likely meets the code it was installed under, but older homes may not comply with current Ontario Building Code (OBC) standards. Generally, existing plumbing is "grandfathered" unless you're doing major renovations, but there are some safety exceptions that must be updated regardless of age.

Understanding Code Compliance in Toronto Homes

The Ontario Building Code is updated every few years, with the current version being OBC 2012 (as amended). If your home was built or had plumbing work done after 2012, it should meet current standards. However, Toronto has many century homes and post-war houses where plumbing systems may be 30-80 years old. While these systems aren't required to be updated just because code has changed, certain safety issues must be addressed regardless of when they were installed.

Key areas where older plumbing must be updated include lead service lines (the City of Toronto has been replacing these), cross-connections that could contaminate drinking water, and any plumbing that poses immediate health risks. Additionally, if you're doing any renovation that requires a building permit, the affected plumbing must be brought up to current code standards.

Toronto-Specific Plumbing Considerations

In Toronto's older neighborhoods like Cabbagetown, The Annex, or Leslieville, common issues include galvanized steel pipes (often replaced due to corrosion), cast iron drain lines that may need updating, and older homes lacking proper venting systems. The City of Toronto also has specific requirements for backwater valves in areas prone to basement flooding, and secondary suite conversions must meet current code for separate water meters and proper drainage.

When Professional Assessment is Essential

You'll need a licensed plumber to evaluate code compliance if you're planning renovations, experiencing recurring problems, or buying/selling a home. They can identify issues like improper pipe sizing, inadequate venting, cross-connections, or outdated materials. For any plumbing work requiring permits in Toronto, the contractor must be licensed and the work inspected by the city.

Next Steps for Homeowners

Start by checking your home's age and any renovation history. If built after 2012, you're likely code-compliant. For older homes, have a licensed plumber assess your system if you're planning renovations or experiencing issues. Contact the City of Toronto Building Division (416-397-5330) if you're unsure about permit requirements for planned work. Remember, while full updates aren't always required, addressing safety concerns and ensuring proper function should be your priority.