Building Permit - Backflow

Permit Purchase & Upload

Before you begin, please download and complete the appropriate permit applications.

Once all required information is prepared for your online application. Complete and save the fillable forms to your computer and scan in all other required forms/documentation. Ensure your credit card information is ready, including the expiry date and CVD (three digits on the back of your card).

All supporting documents must have a file size no larger than 5 MB with a maximum upload of 5 documents per file and a total of no more than 25 MB.

For your permit application to be accepted, your payment must first be received. The system will then prompt you to upload files and input any additional required information. Once your transaction is complete, a receipt will be displayed and a copy will be emailed to you.

Step 1: Contact Information

Please provide the following contact information:

   
   
   
 
Select street
 

Step 2:Calculate Permit Fee

Please indicate which permit type(s) you will be submitting.

Building Permits
 
$

 
 
==========
 
Total:
$    

Step 3:Upload Permits

Step 4:Payment Details

Contact Us

City Hall:
500 Donald Street E, P.O. Box 800
Thunder Bay, ON P7C 5K4
City Hall: (807) 625-2230
TTY: (807) 622-2225

Sign up to our News & Notices

Stay up to date on the City's activities, events, programs and operations by subscribing to our News & Notices