Toronto address · Ward 11, University-Rosedale
459 Ossington Ave
The City of Toronto has 7 building permits since 2017 (6 still open) and 1 Committee of Adjustment file 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.
- Revision issued
Small residential project · Multiple projects
REV01: Proposed revision to rear and front stairs and interior alterations Proposal for underpinning of the existing basement outer walls and benching the existing party wall with interior alterations for a finished basement space.
Applied Mar 13, 2026 · issued Apr 14, 2026 · Permit 21 119848 BLD (revision 02)
- Revision issued
Heating and ventilation
REV HVAC - HVA Permit Revision 21 119848 HVA 00 MSProposal for underpinning of the existing basement outer walls and benching the existing party wall with interior alterations for a finished basement space.
Applied Mar 3, 2025 · issued Mar 5, 2025 · Permit 21 119848 HVA (revision 01)
- Inspections under way
Heating and ventilation
HVAC - Proposal for underpinning of the existing basement outer walls and benching the existing party wall with interior alterations for a finished basement space.
Applied Feb 24, 2021 · issued Apr 14, 2022 · Permit 21 119848 HVA
- Inspections under way
Small residential project · Multiple projects
Proposal for underpinning of the existing basement outer walls and benching the existing party wall with interior alterations for a finished basement space.
Applied Feb 24, 2021 · issued Apr 14, 2022 · Permit 21 119848 BLD
- Inspections under way
Plumbing
Plumbing - Proposal for underpinning of the existing basement outer walls and benching the existing party wall with interior alterations for a finished basement space.
Applied Feb 24, 2021 · issued Apr 14, 2022 · Permit 21 119848 PLB
- Closed
Drains and site services
Drain - Proposal for underpinning of the existing basement outer walls and benching the existing party wall with interior alterations for a finished basement space.
Applied Feb 24, 2021 · issued Apr 14, 2022 · completed Jun 19, 2026 · Permit 21 119848 DRN
- Inspections under way
Small residential project · Multiple projects
Interior alterations to the main floor, re-roofing, basement walkout and exterior stairs leading to the second level deck
Applied Mar 17, 2016 · issued Apr 25, 2016 · Permit 16 129342 BLD
Committee of Adjustment
This address's applications to the City's Committee of Adjustment since 2017, and any still open. A minor variance asks for a small exception to the zoning by-law, such as a little more height or a smaller setback; a consent divides a lot or grants an easement.
- Closed
Minor variance · Other
To alter the existing two-storey, two-unit semi-detached dwelling by constructing a rear basement addition with a front basement walkout.
Decision: Approved (hearing Feb 23, 2022)
Filed Nov 1, 2021 · File A1360/21TEY
What’s planned nearby
Development sites within 500 m
- Under review
- Under appeal
- Approved
6 storeys · 19 homes · Residential
480 m away · Site plan · Approved · filed Jul 10, 2025
Neighbours’ Committee of Adjustment files within 250 m
409 Ossington Ave · Consent
To obtain consent for the technical severance of the property for the purpose of re-establishing two residential lots which merged on title.
170 m away · filed Feb 5, 2026 · Approved
186 Roxton Rd · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a side (south) one-storey addition, a rear two-storey addition (above with a portion of the existing one-storey), and a partial third storey addition (dormer) with a rear (west) deck. Also, to alter the existing one-storey ancillary building (detached garage in the rear yard, abutting the lane) by reducing a front (east) portion of the building (storage shed), and to construct a front (east) canopy structure (awning).
180 m away · filed Dec 4, 2025 · Approved
260 Roxton Rd · Minor variance
To alter the existing two-storey townhouse dwelling by constructing rear one and two-storey additions, a rear second floor deck (above the new rear one-storey addition), and a rear ground floor deck. The existing rear one-storey addition, and rear ground floor deck will be demolished.
70 m away · filed May 9, 2025 · Approved
324 Roxton Rd · Minor variance
To alter the existing two-storey semi-detached dwelling by reconstructing a front covered porch with stairs and a basement walkout, a rear ground floor covered deck, and a rear second floor deck. There will be three residential dwelling units on this lot.
200 m away · filed Apr 9, 2025 · Approved
47 Delaware Ave · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a front one-storey addition (first storey balcony enclosure), and a rear two-storey addition with stairs. The existing rear deck, stairs, and basement walkout will be demolished.
250 m away · filed Jan 23, 2025 · Approved
513 Ossington Ave · Minor variance
To construct a new two-storey detached ancillary building (one laneway suite), in the rear yard, abutting the laneway. The existing fourplex dwelling will be maintained and unaltered.
160 m away · filed Mar 8, 2024 · Approved
475 Ossington Ave · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing a rear second storey addition with a rear third storey rooftop deck. There will be three residential dwelling units within this dwelling.
50 m away · filed Nov 21, 2023 · Approved
29 Shannon St · Minor variance
To alter the existing two-storey detached dwelling by constructing third storey additions with a rear balcony, and a rear two-storey addition with a ground floor patio.
220 m away · filed Aug 8, 2023 · 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.