Last Updated: February 25, 2026 — Reviewed by Brian Hayes, Licensed Master Plumber
While there are some DIY Oshawa plumbing projects the average homeowner can take on, it’s important to remember the bigger jobs need to be handled by Oshawa plumber experts and the right permits are necessary. The building codes and other requirements these permits cover ensure a framework that protects the homeowner’s interests by:
- Protecting the property value. If the plumbing project you undertake doesn’t comply with the codes in the province or municipality you live in, you could actually lose some of the equity built up when you go to sell after the renovation has been deemed unsafe and needs to be repaired.
- Complying with insurance. Any issues or damages caused by work done without permits won’t be covered by homeowner’s insurance. Cutting corners here could wind up costing you more in the long run.
- Ensuring safety. Any work done that complies with codes through plumbing permits reduces any potential hazards. This system of checks and balances that use permits and inspections add to the overall safety of the project.
An Oshawa plumber also understands that work done without the right permits might need to be fixed or removed and that compliance with the ordinances is very often the law and can’t be ignored.
Additional Resources
Frequently Asked Questions
When should I call a plumber for plumbing permit?
You should call a licensed plumber for plumbing permit when the issue persists after basic troubleshooting, involves water pressure changes, or requires access to pipes behind walls. Hayes Plumbing serves Oshawa, Ajax, Whitby, Clarington, and Pickering in Durham Region.
How much does plumbing permit cost in Durham Region?
The cost of plumbing permit in Durham Region depends on the complexity of the job and parts required. Hayes Plumbing provides upfront pricing before beginning any work so there are no surprises.
Should I try DIY or hire a professional for plumbing permit?
While minor issues can sometimes be addressed with DIY methods, plumbing permit often requires a licensed plumber to ensure the work meets Ontario plumbing code. Hayes Plumbing is fully licensed, WSIB certified, and BBB accredited in Oshawa.
Need help with plumbing repairs or installations? Hayes Plumbing & Bathroom Renovations serves Oshawa, Ajax, Whitby, Clarington, and Pickering. Contact us or call (905) 576-3043 for a free estimate.
