Building permit intelligence · St. Catharines, ON
259 Niagara Street has 52 municipal building permits on file. The latest recorded activity was a residential permit dated Apr 16, 2026. PropertyLabs also identified 7 mapped permits within 500 m of this address.
Construct Detached Accessory Dwelling Unit
Construct Detached Accessory Dwelling Unit
Construct Detached Accessory Dwelling Unit
Construct Detached Accessory Dwelling Unit
Construct Detached Accessory Dwelling Unit
7 mapped permits within 500 m, shown on the intelligence map above.
5 other addresses on Niagara St with municipal permit records in St. Catharines.
This address has 52 permit records in PropertyLabs' public history. The city figures below provide context without changing the focus of this exact-address record.
City coverage counts address-linked rows and does not add overlapping canonical tables. Rolling windows are inclusive, use UTC boundaries, and end Jul 31, 2026.
PropertyLabs compiled this permit history from municipal public records for St. Catharines, ON. The latest recorded permit activity at 259 Niagara Street is dated Apr 16, 2026. Municipal records can be corrected or updated after publication.
See the contractors, applicants, permit holders, permit numbers, and project documents associated with 259 Niagara Street in the PropertyLabs platform, along with alerts when new permits are filed at this address.
Construct Detached Accessory Dwelling Unit
Construct Detached Accessory Dwelling Unit
Construct Detached Accessory Dwelling Unit
Construct Detached Accessory Dwelling Unit
Construct Detached Accessory Dwelling Unit
Plumbing Only - Upgrade existing 3/4' line tp 1'
Plumbing Only - Upgrade existing 3/4' line tp 1'
Plumbing Only - Upgrade existing 3/4' line tp 1'
Plumbing Only - Upgrade existing 3/4' line tp 1'
Plumbing Only - Upgrade existing 3/4' line tp 1'
Plumbing Only - Upgrade existing 3/4' line tp 1'
Plumbing Only - Upgrade existing 3/4' line tp 1'
Plumbing Only - Upgrade existing 3/4' line tp 1'
Plumbing Only - Upgrade existing 3/4' line tp 1'
Plumbing Only - Upgrade existing 3/4' line tp 1'
Plumbing Only - Upgrade existing 3/4' line tp 1'
Plumbing Only - Upgrade existing 3/4' line tp 1'
Plumbing Only - Upgrade existing 3/4' line tp 1'
Plumbing Only - Upgrade existing 3/4' line tp 1'
To Demolish Detached Garage.
To Demolish Detached Garage.
To Demolish Detached Garage.
To Demolish Detached Garage.
To Demolish Detached Garage.
To Demolish Detached Garage.
To Demolish Detached Garage.
To Demolish Detached Garage.
To Demolish Detached Garage.
To Demolish Detached Garage.
To Demolish Detached Garage.
To Demolish Detached Garage.
To Demolish Detached Garage.
To Demolish Detached Garage.
Alter Interior to Create Basement Accessory Dwelling Unit
Alter Interior to Create Basement Accessory Dwelling Unit
Alter Interior to Create Basement Accessory Dwelling Unit
Alter Interior to Create Basement Accessory Dwelling Unit
Alter Interior to Create Basement Accessory Dwelling Unit
Alter Interior to Create Basement Accessory Dwelling Unit
Alter Interior to Create Basement Accessory Dwelling Unit
Alter Interior to Create Basement Accessory Dwelling Unit
Alter Interior to Create Basement Accessory Dwelling Unit
Alter Interior to Create Basement Accessory Dwelling Unit
Alter Interior to Create Basement Accessory Dwelling Unit
Install 18 Photovoltaic Panels on Existing House Roof
Construct new 20 x 14 detached garage
Demolish detached garage.
Secondary Buildings · Jun 23, 2026