6. Check permit fees
Fees depend on your scope of work – HST does not apply:
- Less than 10,000 square feet: $118.00
- 10,000 to 20,000 square fee.: $315.00
- Greater than 20,000 square fee.: $422.00
Pay when you apply:
- online – credit card only
- in person – cash, debit or cheque payable to City of Waterloo
We’ll start reviewing your application after we receive payment.
7. Apply online
Submit your application through the building permit portal.
Upload your drawings and forms when you apply.
Apply for a building permit
8. Wait for review
The typical time to review an addition is 10 business days.
Check the building permit timelines and fees page for current timelines.
We may contact you for more information before approval.
9. Get and display your permit
Once approved, your permit package will be available on the portal.
We’ll email you instructions on how to access it.
Print the full package and keep it visible at the work site.
10. Book inspections
Under the Ontario Building Code Act, you must book inspections before the work is covered.
Find the required inspections listed on your building permit under "Mandatory Inspections".
Book inspections through the building portal (find it on the left menu):
- the earliest you can book an inspection is the next business day
- you'll need your permit number
Book an inspection online