Toronto address · Ward 4, Parkdale-High Park
24 Mayfield Ave
The City of Toronto has 5 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.
- Revision issued
Heating and ventilation
Revision 01 - new HVAC system HVAC - Proposal for rear addition and interior alterations
Applied Aug 17, 2023 · issued Aug 23, 2023 · Permit 21 221000 HVA (revision 01)
- Inspections under way
Heating and ventilation
HVAC - Proposal for rear addition and interior alterations
Applied Apr 27, 2023 · issued Jun 7, 2023 · Permit 21 221000 HVA
- Revision issued
Small residential project · Multiple projects
REV 01: Proposal to reconfigure part of the structure for the ground floor platform framing plan (changing the span of the main beam), changing the framing strategy to the 3rd floor roof and making small changes to the interior architecture.Proposal for rear addition and interior alterations
Applied Feb 24, 2023 · issued Apr 4, 2023 · Permit 21 221000 BLD (revision 01)
- Inspections under way
Plumbing
Plumbing - Proposal for rear addition and interior alterations
Applied Oct 3, 2021 · issued Oct 18, 2021 · Permit 21 221000 PLB
- Inspections under way
Small residential project · Multiple projects
Proposal for rear addition and interior alterations
Applied Oct 3, 2021 · issued Oct 18, 2021 · Permit 21 221000 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 detached dwelling by constructing a rear first story addition and a rear third storey addition.
Decision: Approved (hearing Aug 18, 2021)
Filed Apr 21, 2021 · File A0513/21TEY
What’s planned nearby
Development sites within 500 m
- Approved
15 storeys · 60 homes · Mixed use
140 m away · Rezoning · Approved · filed Dec 24, 2025
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.
240 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.
220 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…
70 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.
130 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.
150 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.
180 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.
150 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.
210 m away · filed Jul 3, 2024 · 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.