Home Addition Permit in Mississauga, ON
Permits for home extensions, second storeys, and additions.
Where Are Addition Permits Being Issued?
Permit Volume Over Time
Processing Time Trend
Average days from application to approval
Year-over-Year Growth
Percentage change in permits issued vs previous year
Top Neighbourhoods
| Neighbourhood | Permits Issued | Share |
|---|---|---|
| Ward 1 | 314 | 22.1% |
| Ward 2 | 291 | 20.4% |
| Ward 8 | 129 | 9.1% |
| Ward 11 | 124 | 8.7% |
| Ward 7 | 116 | 8.1% |
| Ward 6 | 97 | 6.8% |
| Ward 5 | 92 | 6.5% |
| Ward 3 | 86 | 6.0% |
| Ward 9 | 67 | 4.7% |
| Ward 4 | 59 | 4.1% |
Frequently Asked Questions
Do I need a home addition permit in Mississauga?
Yes, most home addition projects in Mississauga require a building permit from the city. Based on our data, Mississauga has issued 1,424 home addition permits to date, making it one of the most common permit types in the city. Requirements vary depending on the scope and size of the project. Contact Mississauga's building department for specific requirements for your project.
How long does it take to get a home addition permit in Mississauga?
Based on our analysis of 1,424 permits, the average processing time for a home addition permit in Mississauga is 134 days from application to approval. Processing times have been increasing in recent years. In 2026, the average was 181 days.
How many home addition permits are issued in Mississauga each year?
Mississauga issues approximately 160 home addition permits per year. Our data covers 2018 to present, with a total of 1,424 permits tracked.
Which neighbourhoods in Mississauga have the most home addition permits?
The top neighbourhoods for home addition permits in Mississauga are Ward 1 (314 permits), Ward 2 (291 permits), and Ward 8 (129 permits). These areas account for 52% of all home addition permits in the city.
How much does a home addition project cost in Mississauga?
Based on construction values reported on 1,424 permits, the average home addition project in Mississauga has a construction value of $205,448. The median value is $128,000, which may be more representative as it excludes outliers. Note that this is the total project construction cost, not the permit fee.
Are home addition permits increasing or decreasing in Mississauga?
Addition permit activity in Mississauga has been declining in recent years. In 2025, 160 permits were issued, compared to 197 in 2022.
What is the home addition permit process in Mississauga?
The typical process for a home addition permit in Mississauga involves: 1) Preparing your project plans and documentation, 2) Submitting your application to Mississauga's building department, 3) Paying the applicable permit fees, 4) Waiting for plan review and approval (average 134 days), 5) Receiving your permit and beginning construction, and 6) Scheduling required inspections during and after construction.
How does Mississauga compare to other Canadian cities for home addition permits?
Mississauga is one of 14 major Canadian cities we track for home addition permit data. With an average processing time of 134 days, you can compare Mississauga's home addition permit statistics including volume trends, processing times, and neighbourhood breakdowns with other cities on our national home addition permit comparison page.