Toronto address · Ward 19, Beaches-East York
820 Cosburn Ave
The City of Toronto has 6 building permits since 2017 (5 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.
- Inspections under way
Small residential project · Addition(s)
Construct 2nd and 3rd floor addition, 2 storey additions at rear and front, new front platform and canopy, new rear decks at first and third floor, and interior alterations to all floors, including basement underpinning
Applied Oct 24, 2016 · issued Nov 10, 2016 · Permit 16 241843 BLD
- Inspections under way
Plumbing
Plumbing - Construct second and third storey additions over and existing one storey and a new two storey rear addition.
Applied Oct 24, 2016 · issued Nov 10, 2016 · Permit 16 241843 PLB
- Inspections under way
Drains and site services
Drain - Construct second and third storey additions over and existing one storey and a new two storey rear addition.
Applied Oct 24, 2016 · issued Nov 10, 2016 · Permit 16 241843 DRN
- Closed
Heating and ventilation
HVAC - Construct second and third storey additions over and existing one storey and a new two storey rear addition.
Applied Oct 24, 2016 · issued Nov 16, 2016 · completed Nov 9, 2017 · Permit 16 241843 HVA
- Inspections under way
Plumbing
Plumbing - basement underpinning, interior alterations to ground floor and basement
Applied Mar 29, 2016 · issued Apr 5, 2016 · Permit 16 132614 PLB
- Inspections under way
Small residential project · Multiple projects
basement underpinning, interior alterations to ground floor and basement
Applied Mar 29, 2016 · issued Apr 5, 2016 · Permit 16 132614 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 · R addition
To alter the existing one-storey detached dwelling by constructing second and third storey additions, front and rear two-storey additions, a front platform with canopy above, a rear ground floor deck, and a rear third floor platform.
Decision: Refused (hearing Apr 20, 2016)
Filed Jan 28, 2016 · Appeal: OMB approved · File A0110/16TEY
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
109 Virginia Ave · Minor variance
To construct a new two-storey semi-detached dwelling with a front integral garage, a front covered porch with stairs, a rear second storey deck with stairs, and a rear basement walkout. There will be a total of one residential dwelling unit on this lot.
190 m away · filed Feb 11, 2026 · Hearing scheduled
111 Virginia Ave · Minor variance
To construct a new two-storey semi-detached dwelling with a front integral garage, a front covered porch with stairs, a rear second storey deck with stairs, and a rear basement walkout. There will be a total of one residential dwelling unit on this lot.
180 m away · filed Feb 11, 2026 · Hearing scheduled
109 Virginia Ave · Consent
To obtain consent to sever the property into two undersized residential lots.
190 m away · filed Feb 11, 2026 · Hearing scheduled
111 Virginia Ave · Minor variance
To construct a new two-storey semi-detached dwelling with a front integral garage, a front covered porch with stairs, a rear second storey deck with stairs, and a rear basement walkout. There will be a total of one residential dwelling unit on this lot.
180 m away · filed Feb 11, 2026 · Hearing scheduled
111 Virginia Ave · Consent
To obtain consent to sever the property into two undersized residential lots.
180 m away · filed Feb 11, 2026 · Hearing scheduled
109 Virginia Ave · Minor variance
To construct a new two-storey semi-detached dwelling with a front integral garage, a front covered porch with stairs, a rear second storey deck with stairs, and a rear basement walkout. There will be a total of one residential dwelling unit on this lot.
190 m away · filed Feb 11, 2026 · Hearing scheduled
122 Holborne Ave · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a new front one-storey addition (enclosing the existing front porch).
180 m away · filed Nov 18, 2025 · Approved
301 Woodmount Ave · Minor variance
To alter the existing three-storey detached dwelling by constructing a rear two-storey addition with a ground floor deck and stairs.
30 m away · filed Jun 4, 2025 · 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.