Street permit history
St. Catharines, ON
5 permitted addresses on Grantham Ave appear in the public St. Catharines permit cohort, across 50 municipal permit records. Select an address for its full permit timeline.
Ranked by permit activity within the public cohort. Each address links to its full municipal permit history.
Get contractor names, permit numbers, and alerts as new permits are published on Grantham Ave and across St. Catharines, updated on the municipality's release schedule.
Suggested citation: PropertyLabs. "Grantham Ave Building Permits - St. Catharines." Updated Jul 13, 2026. https://propertylabs.org/building-permits/st_catharines/streets/grantham-ave