Toronto address · Ward 19, Beaches-East York
669 Cosburn Ave
The City of Toronto has 5 building permits since 2017 (4 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.
- Under review
Small residential project · Multiple projects
Proposal for second storey addition and interior alterations to convert single family dwelling to triplex.
Applied Sep 4, 2026 · 2 homes added · Permit 26 232792 BLD
- Response received
Small residential project · New laneway / rear yard suite
Proposed new garden suite in the rear yard
Applied Aug 11, 2026 · Permit 26 217344 BLD
- Revision issued
Small residential project · Underpinning
Revision 01: Revised drawings.Proposed basement underpinning.
Applied Aug 7, 2026 · issued Aug 11, 2026 · Permit 26 207433 BLD (revision 01)
- Permit issued
Small residential project · Underpinning
Proposed basement underpinning.
Applied Jul 23, 2026 · issued Jul 24, 2026 · Permit 26 207433 BLD
- Cancelled
Small residential project · Underpinning
Proposed basement underpinning.
Applied Jul 14, 2026 · completed Jul 17, 2026 · Permit 26 201965 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
8 Holborne Ave · Minor variance
To alter the existing three-storey detached dwelling by replacing the rear first level deck with a one-storey addition with a platform and stairs.
160 m away · filed Jan 21, 2026 · Approved
723 Cosburn Ave · Minor variance
To alter the existing one-storey detached dwelling by constructing a complete second storey addition and a rear second storey balcony.
210 m away · filed Oct 14, 2025 · Approved
688 Cosburn Ave · Minor variance
To construct a new three-storey semi-detached dwelling with rear first, second and third storey terraces, and a rear basement walkout on the conveyed lot. Also, a parking space will be located in the front yard.
60 m away · filed Jan 31, 2023 · Refused
688 Cosburn Ave · Consent
To obtain consent to sever the property into two undersized lots.
60 m away · filed Jan 31, 2023 · Refused
688 Cosburn Ave · Minor variance
To construct a new three-storey semi-detached dwelling with rear first, second and third storey terraces, and a rear basement walkout on the retained lot. Also, a parking space will be located in the front yard.
60 m away · filed Jan 31, 2023 · Refused
686 Cosburn Ave · Minor variance
To alter the existing one-storey detached dwelling by constructing a new two-storey side and rear addition, a complete second storey addition, a new front porch and stairs, and new rear stairs.
60 m away · filed May 4, 2022 · Approved
8 Holborne Ave · Minor variance
To alter the existing two-storey detached dwelling by constructing a partial third storey addition with a front third storey deck.
160 m away · filed Jan 15, 2022 · Approved
16 Roblin Ave · Minor variance
To alter the existing one-and-one-half-storey detached dwelling by constructing a complete second storey addition with a front porch and a second storey balcony as well as a rear patio. Also, to legalize and maintain the front yard parking pad and the rear yard shed.
190 m away · filed Aug 19, 2021 · 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.