670 Cosburn Ave

Building permits

Every permit the City lists for this address since 2017, and any still open from before, newest first.

• Fire and security upgrade · Fire alarm

  Proposal for a fire alarm system upgrade.

  Applied Feb 2, 2022 · issued May 6, 2022 · completed Mar 12, 2024 · Permit 22 110284 FSU

  Closed

• Plumbing · Backflow prevention devices (Water only)

  Proposed installation of back flow prevention device to existing public school.

  Applied Feb 1, 2018 · issued Feb 28, 2018 · completed May 10, 2019 · Permit 18 112359 PSA

  Closed

• Heating and ventilation

  HVAC - Proposal for interior alterations to ground floor only to new kitchen area in existing secondary school. East York Alternative Secondary School.

  Applied Jun 10, 2008 · issued Jul 11, 2008 · Permit 08 168401 HVA

  Inspections under way

• Addition or alteration · Interior alterations

  Proposal for interior alterations to ground floor only to new kitchen area in existing secondary school. East York Alternative Secondary School.

  Applied Jun 10, 2008 · issued Jul 10, 2008 · Permit 08 168401 BLD

  Inspections under way

• Plumbing

  Plumbing - Proposal for interior alterations to ground floor only to new kitchen area in existing secondary school. East York Alternative Secondary School.

  Applied Jun 10, 2008 · issued Jul 11, 2008 · Permit 08 168401 PLB

  Inspections under way

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.

  190 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.

  230 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.

  70 m away · filed Jan 31, 2023 · Refused

• 688 Cosburn Ave · Consent

  To obtain consent to sever the property into two undersized lots.

  70 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.

  70 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.

  190 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.

  180 m away · filed Aug 19, 2021 · Approved

Everything planned in Beaches-East York