13 Mayfield Ave

Building permits

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

• Heating and ventilation

  HVAC - Interior alterations throughout. New rear basement access and localized underpinning. New rear deck. New rear 2nd flr addition including balcony.

  Applied Oct 8, 2025 · issued Oct 29, 2025 · completed Apr 17, 2026 · Permit 25 225389 HVA

  Closed

• Small residential project · Multiple projects

  Interior alterations throughout. New rear basement access and localized underpinning. New rear deck. New rear 2nd flr addition including balcony.

  Applied Sep 15, 2025 · issued Oct 20, 2025 · Permit 25 225389 BLD

  Inspections under way

• Plumbing

  Plumbing - Interior alterations throughout. New rear basement access and localized underpinning. New rear deck. New rear 2nd flr addition including balcony.

  Applied Sep 15, 2025 · issued Oct 20, 2025 · completed Apr 22, 2026 · Permit 25 225389 PLB

  Closed

• Drains and site services · Back water valve (Sewer only)

  Proposal to install back water valve in front of the house (Northeast side)

  Applied Jan 4, 2021 · issued Jan 6, 2021 · completed Jan 12, 2021 · Permit 21 100685 DRN

  Closed

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

• 2273-2279 Bloor Street West

  15 storeys · 60 homes · Mixed use

  170 m away · Rezoning · Approved · filed Dec 24, 2025

  Approved

Neighbours’ Committee of Adjustment files within 250 m

• 50 Durie St · Minor variance

  To alter the existing two-storey detached dwelling by constructing a front covered porch with stairs, a rear basement walkout with a patio, a rear two-storey addition (including a basement extension) with a covered ground floor deck and stairs (connecting to the existing garage foundation slab, which will be maintained), as well as a third storey addition with a rear rooftop deck. Also, the existing rear one-storey ancillary building (structural frame of the semi-detached garage) will be demolished.

  200 m away · filed Jun 18, 2026 · Approved

• 45 Deforest Rd · Minor variance

  To alter the existing two-storey semi-detached dwelling by constructing an enclosed front porch, a rear two-storey addition with a rear Juliette balcony, a partial rear third storey addition with a rear third storey roof deck, a rear ground floor deck, a rear basement walkout, and a side bay window projection. This dwelling will have a total of two residential dwelling units, including one primary unit and one secondary suite located within the basement.

  200 m away · filed May 5, 2026 · Approved

• 86 Durie St · Minor variance

  To alter the existing two-storey detached dwelling by constructing a rear (west) two-storey addition, a rear (west) second storey roof addition, a side (north), rear (west) and front (east) dormers, and a rear ground floor deck with stairs. Also, to construct a new two-storey detached ancillary building (containing a basement, one garage on the ground level and one garden suite on the second level), in the rear yard, abutting Mayfield Avenue. The existing attached garage will be demolished. There will be a total of two residential dwelling units on this lot (one unit within the main dwelling…

  60 m away · filed Aug 13, 2025 · Approved

• 91 Deforest Rd · Minor variance

  To alter the existing two-storey detached dwelling by constructing a rear second storey addition (cantilevered at the south portion of the dwelling) with a rear juliette balcony.

  100 m away · filed May 26, 2025 · Approved

• 2271 Bloor St W · Consent

  To obtain consent to sever the property into two lots and to create various easements/rights-of-way.

  180 m away · filed Apr 8, 2025 · Approved

• 60 Mayfield Ave · Minor variance

  To alter the existing two-storey detached dwelling by constructing a rear second storey balcony. The existing two-storey rear addition (currently under construction) will be maintained.

  190 m away · filed Aug 9, 2024 · Approved

• 99 Deforest Rd · Minor variance

  To alter the existing two-storey detached dwelling by constructing a side (east ) ground level deck with stairs. Also, to permit a front yard parking pad, and to maintain the two-storey rear ancillary building (shed) that was constructed without an authorized permit.

  120 m away · filed Jul 22, 2024 · Application withdrawn

• 40 Deforest Rd · Minor variance

  To alter the existing three-storey detached dwelling by constructing a rear third storey dormer and a rear third storey rooftop terrace.

  190 m away · filed Jul 3, 2024 · Approved

Everything planned in Parkdale-High Park