Toronto address · Ward 11, University-Rosedale
427 St Clair Ave E
The City of Toronto has 5 building permits since 2017 on record for this address.
Building permits
Every permit the City lists for this address since 2017, and any still open from before, newest first.
- Closed
Drains and site services
Drain - backwater valve, sump pump, underground drains
Applied Jun 26, 2018 · issued Jun 26, 2018 · completed Jun 28, 2018 · Permit 17 278640 DRN
- Closed
Small residential project · Multiple projects
REV01: Revision to add HVAC Unit in an insulated attic spaceRenovation to an existing semi-detached dwelling (172.96 SM), rear addition(93.92 SM), along with underpinning 28.41 M of the existing foundation.
Applied Jun 12, 2018 · issued Jun 28, 2018 · completed Dec 6, 2018 · Permit 17 278640 BLD (revision 01)
- Closed
Heating and ventilation
HVAC - Renovation to an existing semi-detached dwelling (172.96 SM) and minor addition to rear of said building (93.92 SM), along with underpinning 28.41 M of the existing foundation.
Applied Dec 22, 2017 · issued Jan 29, 2018 · completed Dec 6, 2018 · Permit 17 278640 HVA
- Closed
Plumbing
Plumbing - Renovation to an existing semi-detached dwelling (172.96 SM) and minor addition to rear of said building (93.92 SM), along with underpinning 28.41 M of the existing foundation.
Applied Dec 22, 2017 · issued Jan 29, 2018 · completed Dec 6, 2018 · Permit 17 278640 PLB
- Closed
Small residential project · Multiple projects
Renovation to an existing semi-detached dwelling (172.96 SM), rear addition(93.92 SM), along with underpinning 28.41 M of the existing foundation.
Applied Dec 22, 2017 · issued Jan 29, 2018 · completed Dec 6, 2018 · Permit 17 278640 BLD
Committee of Adjustment
No applications to the City's Committee of Adjustment for this address since 2017. That's where an owner asks for a minor variance (a small exception to the zoning by-law) or a consent to divide a lot.
What’s planned nearby
Development sites within 500 m
No rezoning, site plan, subdivision or condominium file open within 500 m, and no pre-construction project on the site.
Neighbours’ Committee of Adjustment files within 250 m
144 Hudson Dr · Minor variance
To alter the existing front yard driveway by reconstructing the side (west) retaining wall.
100 m away · filed Sep 11, 2026 · Accepted
67 Welland Ave · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing a third storey north side dormer addition.
120 m away · filed Aug 14, 2026 · Hearing scheduled
234 Glenrose Ave · Minor variance
To alter the existing two-storey detached dwelling by constructing a partial third storey addition with a flat roof.
70 m away · filed May 22, 2026 · Approved
181 Glenrose Ave · Minor variance
To alter the existing three-storey detached dwelling by constructing a rear third storey rooftop terrace (above the two-storey portion of the dwelling at the southeast corner).
220 m away · filed Mar 30, 2026 · Approved
225 Glenrose Ave · Minor variance
To construct a new three-storey detached dwelling with a front integral garage, a front covered porch, a rear basement terrace, a rear ground floor deck with staircase, a rear third storey balcony, and a driveway abutting Glenrose Avenue.
130 m away · filed Aug 18, 2025 · Application withdrawn
225 Glenrose Ave · Consent
To obtain consent to sever the property into two residential lots.
130 m away · filed Aug 18, 2025 · Application withdrawn
225 Glenrose Ave · Minor variance
To construct a new three-storey detached dwelling with a front integral garage, a front covered porch, a rear basement terrace, a rear ground floor deck with staircase, a rear third storey balcony, and a driveway abutting Glenrose Avenue.
130 m away · filed Aug 18, 2025 · Application withdrawn
287 Inglewood Dr · Minor variance
To construct a one-storey ancillary building (containing a gym, and a washroom) with an attached carport, in the rear yard. The existing outdoor kitchen in the rear yard will be maintained and unaltered and the existing garage in the rear yard will be demolished.
170 m away · filed Apr 10, 2024 · Approved
From the City of Toronto’s open data: building permits (active, and cleared since 2017), Committee of Adjustment applications and address points, this record updated Sep 29, 2026, and the development sites from its Development Applications data. Contains information licensed under the Open Government Licence – Toronto. Construction cost estimates and contractors’ names are left out on purpose, and nothing here names an owner.