Project template
Your preparation checklist
Use it as a working list. The final submission still needs to match your actual scope and the City’s current requirements.
0 of 4 ready
Your progress is saved in this browser. Come back whenever you’re ready.
What to do next
- Define the plumbing work and affected systems
- Identify whether a stand-alone device is involved
- Prepare the required plans/forms
- Submit the building/plumbing permit before work starts
Official sources behind this page
Hamilton states that plumbing work inside buildings requires a building permit.
Hamilton’s review process includes plumbing and drainage requirements where applicable.
The current schedule lists specific flat permit fees for stand-alone backflow preventers and backwater valves.
Need the full project answer?
The main guide keeps the permit trigger, zoning questions, documents, fees, timing and next steps together.
Open the plumbing guide