Toronto address · Ward 14, Toronto-Danforth
165 Cosburn Ave
The City of Toronto has 3 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
Addition or alteration · Garage Repair/Reconstruction
Proposal to replace the garage roof slab waterproofing on the north side of building, as well as localized concrete repairs (200m2)
Applied Sep 13, 2022 · issued Sep 29, 2022 · completed Jan 21, 2026 · Permit 22 203090 BLD
- Closed
Fire and security upgrade · Other
Proposal to upgrade the fire safety in an existing apartment building including new lobby sprinklers, window sprinklers and relocation of the existing fire hose cabinet.
Applied Dec 3, 2021 · issued Mar 8, 2022 · completed Jul 25, 2023 · Permit 21 244715 FSU
- Closed
Plumbing · Backflow prevention devices (Water only)
Proposal to install backflow prevention device.
Applied Jul 9, 2018 · issued Aug 13, 2018 · completed Apr 15, 2019 · Permit 18 191065 PSA
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
245 Gowan Ave · Minor variance
100 m away · filed Jan 12, 2026 · Application withdrawn
233 Gowan Ave · Minor variance
To alter the existing two-storey detached dwelling (duplex) by constructing a rear third storey addition. There will be a total of two residential dwelling units on this lot (one unit occupying the ground level, and one unit occupying the second and third levels).
130 m away · filed Sep 8, 2025 · Approved
224 Gamble Ave · Minor variance
To permit the enclosed staircase on the rooftop, which was constructed beyond an authorized building permit.
210 m away · filed Aug 26, 2025 · Approved
210 Cosburn Ave · Minor variance
To alter the existing four-storey apartment building (containing 33 residential dwelling units) by converting the existing integral garage, laundry, and storage areas into four additional residential dwelling units (located within the basement level). There will be a total of 37 residential dwelling units and 16 lawful parking spaces on this lot.
120 m away · filed Feb 6, 2025 · Approved
270 Floyd Ave · Consent
To obtain consent to sever the merged property into three residential lots.
240 m away · filed Dec 10, 2024 · Approved
175 Gamble Ave · Minor variance
To alter the existing two-storey detached dwelling by constructing a rear ground floor deck. Also, to construct a new one-storey ancillary building (for storage uses) with an attached canopy, in the rear yard.
130 m away · filed Sep 11, 2023 · Approved
177 Gamble Ave · Minor variance
To convert the existing one-storey ancillary building (detached garage) into a garden suite (with storage above), in the rear of the property.
130 m away · filed Apr 13, 2023 · Approved
148 Gamble Ave · Minor variance
To construct a new two-storey detached ancillary building (garden suite), in the rear yard. The existing two-and-one-half storey detached dwelling will be maintained and unaltered.
200 m away · filed Mar 3, 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.