Toronto address · Ward 11, University-Rosedale
583 Ossington Ave
The City of Toronto has 4 building permits since 2017 (1 still open) 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
Heating and ventilation
HVAC - Proposal to construct a new laneway suite above existing garage
Applied Sep 14, 2022 · issued Feb 21, 2023 · completed Dec 19, 2025 · Permit 22 202873 HVA
- Inspections under way
Small residential project · New laneway / rear yard suite
Proposal to construct a new laneway suite above existing garage
Applied Sep 13, 2022 · issued Feb 21, 2023 · 1 home added · Permit 22 202873 BLD
- Closed
Plumbing
Plumbing - Proposal to construct a new laneway suite above existing garage
Applied Sep 13, 2022 · issued Feb 21, 2023 · completed Dec 19, 2025 · Permit 22 202873 PLB
- Closed
Small residential project · Party wall admin permits
admin permit for work being done at 581 ossington ave
Applied Nov 3, 2021 · issued Nov 12, 2021 · completed Aug 2, 2024 · Permit 21 233642 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
- Under review
- Under appeal
Neighbours’ Committee of Adjustment files within 250 m
585 Shaw St · Minor variance
To alter the rear two-storey detached ancillary building (containing one dwelling unit with a cantilevered second storey at the south side, and east and west side canopies), by adding a second dwelling unit within this ancillary building. This ancillary building is currently under construction with an authorized building permit. There will be a total of six residential dwelling units on this lot (four units within the main semi-detached building, and two units within the ancillary building).
200 m away · filed May 20, 2026 · Approved
108 Concord Ave · Minor variance
To alter the existing two-and-one-half-storey semi-detached dwelling by constructing a side (south) and rear two-storey addition and a third-storey side (south) and rear addition with a rear ground floor loggia and a carport in the front yard and third storey front dormer. Also, to construct a new one-storey detached ancillary building (shed) in the rear yard. The existing detached garage will be demolished.
160 m away · filed Nov 26, 2025 · Approved
483 Roxton Rd · Minor variance
To alter the existing two-and-one-half-storey semi-detached dwelling by constructing a complete third storey addition, a rear three-storey addition (including a basement extension below) with a ground level deck with stairs and a rear third storey balcony, as well as a front partially covered porch with stairs. Also, to construct a rear two-storey detached ancillary building (abutting the laneway) containing a one-car garage and amenity space (on the second level). The existing one-storey detached ancillary building (garage) will be demolished.
250 m away · filed Aug 26, 2025 · Approved
555 Shaw St · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing a new canopy above the existing front porch, a new rear ground floor deck with a canopy and stairs, a rear hot tub, and a rear ancillary structure (pergola). Also, to construct a one-storey ancillary building (garage), in the rear yard, abutting the laneway.
230 m away · filed Aug 8, 2025 · Approved
561 Shaw St · Minor variance
To alter the existing three-storey semi-detached dwelling by constructing a rear third storey addition.
220 m away · filed Aug 6, 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
456 Roxton Rd · Minor variance
To convert the existing two-and-one-half-storey semi-detached dwelling from two residential dwelling units into three residential dwelling units by constructing a rear two-storey addition, a rear third storey addition with a rear terrace, as well as front and rear basement walkouts. Also, to construct a two-storey ancillary building (containing one laneway suite), in the rear yard, abutting the laneway. There will be a total of 4 residential dwelling units on this lot.
170 m away · filed Apr 5, 2024 · 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.
220 m away · filed Mar 8, 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.