You will need a building permit from our Building Department for some backflow preventer work.
These jobs require a building permit:
- Installation of a new testable backflow preventer
- Replacement of an existing testable backflow preventer
- Relocation of an existing testable backflow preventer
This job does not require a building permit:
- Install, replace or relocate a non-testable backflow preventer
- Remove an existing testable backflow preventer. You should still submit a Backflow Preventer Removal Form and get the City's approval before you start the removal.
Please visit our Building Permits section or contact our Building Department at 905.475.4870 for details.