St. Catharines Building Permit Data
19,210 building permits on record in St. Catharines, with a median issue time of 27 days.
The dataset shows 1,183 permits issued in the last 12 months, up 5% year over year.
How long do permits take in St. Catharines?
The median time from application to issue in St. Catharines is 27 days, based on 1,106 permits issued in the last 12 months where St. Catharines recorded an application date in the open-data feed. Not all permits in the dataset include an application date, so this figure represents a partial sample and may not reflect all permit types equally.
Use the median of 27 days as a planning benchmark. Complex applications, requests for variances, or incomplete submission packages routinely push timelines beyond the median, sometimes significantly. Permit type, work scope, and application completeness all affect where your permit lands in the distribution.
Permit activity trend in St. Catharines
St. Catharines issued 1,183 permits in the last 12 months, up from 1,122 in the prior 12-month window. August 2026 was the busiest month in the two-year window, with 232 permits issued. Permit volume varies by season and by the number of large projects entering the pipeline; a single major development can shift monthly totals significantly, so month-over-month figures are best read as a direction indicator, not a precise forecast.
What gets built in St. Catharines?
The top permit categories in St. Catharines show where construction activity is concentrated. The counts reflect the last 12 months of available data.
Residential is the single largest category in St. Catharines, accounting for 41% of permits (487 in the last 12 months).
Plumbing Only is the single largest category in St. Catharines, accounting for 30% of permits (359 in the last 12 months).
Secondary Buildings accounts for 10% of St. Catharines's permits, with 113 in the last 12 months.
Assembly accounts for 6% of St. Catharines's permits, with 74 in the last 12 months.
Sign Permit represents 4% of St. Catharines's permits at 47 in the last 12 months.
Reading the data before you apply
Permit data works best as a reference range rather than a precise forecast. A median of 27 days in St. Catharines means half of permits resolve faster than that and half take longer. If your project is straightforward and the application is complete, you may land in the faster half. If it involves variances, rezoning, or a complex building type, expect the slower half of the distribution. Checking the permit history for nearby addresses gives you a real-world baseline calibrated to your specific neighbourhood and project type.
Distributions tell you more than averages when you are building a project timeline. The 90th-percentile wait in St. Catharines is 152 days, which means roughly 1 in 10 permits takes at least that long before a decision is issued. If your project has characteristics that put it in the slower category, such as a heritage overlay, a site with drainage constraints, or an unusual structure type, plan for the 90th percentile rather than the median. Permit fees, contractor availability, inspection scheduling, and any required engineering or heritage reviews all add time on top of the permit issue date itself.
The permit history lookup below lets you see every permit on record for any St. Catharines address, including permit type, declared project value, and issue dates. If a property has had previous permits, that record tells you what the building department has already reviewed and approved for that parcel, which can simplify the scope discussion on a new application. If there are no prior permits, that is also useful to know before you begin. The lookup is free, and the full permit history report for any address is available if you need the complete record for due diligence or renovation planning.
Check a St. Catharines permit for free
See every permit on record for any St. Catharines address, free. The full history report is $29 if you want it.
Frequently asked questions
How many building permits are issued in St. Catharines?
19,210 building permits are on record for St. Catharines in the Van Permit Audit dataset, with 1,183 in the last 12 months.
How long does a building permit take in St. Catharines?
The median time from application to issue in St. Catharines is 27 days, based on 1,106 permits in the last 12 months.
Permit cost benchmarks
Related guides
Check a St. Catharines permit for free
See every permit on record for any St. Catharines address, free. The full history report is $29 if you want it.
Source: Van Permit Audit national permit dataset, aggregated from official municipal open-data sources. Median issue times reflect 2018 to 2025 issued permits; permit-volume coverage windows vary by city. Citation: "Source: Van Permit Audit (vanpermitaudit.ca)."