Building permit intelligence · St. Catharines, ON
333 Ontario Street has 38 municipal building permits on file. The latest recorded activity was a assembly permit dated Jul 29, 2026. PropertyLabs also identified 40 mapped permits within 2 km of this address.
Alterations for a daycare "Keziah Childcare Centre", Unit 3.2
To install a 13.38m2 Wall Sign for "K1 Speed Indoor Karting For All Ages" (Unit A1)
To install a 13.38m2 Wall Sign for "K1 Speed Indoor Karting For All Ages" (Unit A1)
To install a 13.38m2 Wall Sign for "K1 Speed Indoor Karting For All Ages" (Unit A1)
To install a 13.38m2 Wall Sign for "K1 Speed Indoor Karting For All Ages" (Unit A1)
40 mapped permits within 2 km, shown on the intelligence map above.
5 other addresses on Ontario St with municipal permit records in St. Catharines.
This address has 38 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 333 Ontario Street is dated Jul 29, 2026. Municipal records can be corrected or updated after publication.
See the contractors, applicants, permit holders, permit numbers, and project documents associated with 333 Ontario Street in the PropertyLabs platform, along with alerts when new permits are filed at this address.
To install a 13.38m2 Wall Sign for "K1 Speed Indoor Karting For All Ages" (Unit A1)
To install a 13.38m2 Wall Sign for "K1 Speed Indoor Karting For All Ages" (Unit A1)
To install a 13.38m2 Wall Sign for "K1 Speed Indoor Karting For All Ages" (Unit A1)
To install a 13.38m2 Wall Sign for "K1 Speed Indoor Karting For All Ages" (Unit A1)
To install a 13.38m2 Wall Sign for "K1 Speed Indoor Karting For All Ages" (Unit A1)
To install a 13.38m2 Wall Sign for "K1 Speed Indoor Karting For All Ages" (Unit A1)
To install a 13.38m2 Wall Sign for "K1 Speed Indoor Karting For All Ages" (Unit A1)
To install a 13.38m2 Wall Sign for "K1 Speed Indoor Karting For All Ages" (Unit A1)
To install a 13.38m2 Wall Sign for "K1 Speed Indoor Karting For All Ages" (Unit A1)
To install 2 illuminated wall signs 6.35m² and 6.50m² on east elevation "K1 SPEED".
Alterations to Unit A1 of the existing 1-storey commercial building for K1Speed (electric go-kart track); maximum occupant load 500 persons (480 patrons & 20 staff). Rev 1 issued J…
Backflow
PERMIT REVISED; APRIL 30, 2025; for architectural and electrical changes PERMIT REVISED; MARCH 5, 2025 Alter interior of 1-storey Gymnasia to create new rooms
Construct Mezzanine in 'Curry Pot' May 30th, 2023; upon review of the LL application please note 2012 104706 AM -2 washrooms/sex on ground floor where one has not been depicted on…
Replace Light Box of Existing Pole Sign for "Surplus Furniture & Mattress Warehouse"
Alter Interior for 'Fit Collective' (Unit A3.1) August 18/20 - called for pick up jzh
Install One Wall Sign for "Tim Hortons" facing Ontario Street
Alter Interior and Exterior of 'Tim Horton's'
To Install a new Kitchen Fire Suppression System and Alter Existing Exhaust System for 'XO Kitchen'
Install 2 New Wall Signs for "Booster Juice"
Alter Interior for Escape Rooms - 'Epic Gaming'
Alter Interior for 'Booster Juice'
Construct Addition for Gymnastics Facility
Addition to Existing Plaza for Gymnastics Club (Foundation Only)
Site Servicing -Connection to Existing Sanitary Sewer and Realignment of Water Main and Storm Sewer
Construct New Vertical & Horizontal Fire Seperations
Install One Wall Sign - Skyzone Trampoline
Interior Alterations/Renovations for 'Skyzone' (Scope of work does not include for the Mezzanine Level)
Install 2 Wall Sigsn On South Elevation - 90 sq ft 'Tim Hortons' and 31 sq ft 'Coffee, Donuts, Espresso...'
Alter Interior for 'Taste Of Asia'
INTERIOR ALTERATIONS TO ' Tim Hortons '
Install Wall Sign 196sqft - Flea Market
Alter Interior of Unit 7 for 'Cash For You'
Secondary Buildings · Jul 17, 2026