Toronto address · Ward 8, Eglinton-Lawrence
21 Mayfair Ave
The City of Toronto has 5 building permits since 2017 (2 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.
- Closed
Plumbing
Plumbing - NEW REFUSE STORAGE ROOM IN EXISTING PARKING GARAGE (2hr.FRR masonry block wall enclosure)
Applied Mar 25, 2024 · issued Apr 24, 2024 · completed May 1, 2025 · Permit 23 102659 PLB
- Closed
Addition or alteration · Interior alterations
NEW REFUSE STORAGE ROOM IN EXISTING PARKING GARAGE (2hr.FRR masonry block wall enclosure)
Applied Jan 11, 2023 · issued Mar 4, 2024 · completed Jul 10, 2025 · Permit 23 102659 BLD
- Closed
Heating and ventilation
HVAC - NEW REFUSE STORAGE ROOM IN EXISTING PARKING GARAGE (2hr.FRR masonry block wall enclosure)
Applied Jan 11, 2023 · issued Mar 19, 2024 · completed Apr 14, 2025 · Permit 23 102659 HVA
- Inspections under way
Plumbing · Other
Proposal for plumbing work to cape off and remove domestic water filtration system.
Applied Nov 16, 2017 · issued Dec 4, 2017 · Permit 17 263525 PSA
- Inspections under way
Plumbing · Backflow prevention devices (Water only)
Install one backflow preventor in existing apartment building.
Applied Aug 11, 2015 · issued Aug 27, 2015 · Permit 15 205176 PSA
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 · Other
Proposal for reduction of 4 parking spaces in the parking garage to accommodate a new garbage enclosure requested by the fire department. (Note: The application was deferred on 26 Oct 2023)
Decision: Approved (hearing Feb 1, 2024)
Filed Aug 14, 2023 · File A0478/23NY
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
730 Eglinton Ave W · Minor variance
To replace the existing skylight, increasing the overall building height, to the top of the skylight.
100 m away · filed Aug 30, 2024 · Approved
601 Vesta Dr · Minor variance
To replace the existing rear decks.
70 m away · filed Feb 7, 2020 · Approved
603 Vesta Dr · Minor variance
To construct a second floor rear addition.
70 m away · filed Feb 5, 2019 · Approved
11 Shallmar Blvd · Minor variance
To alter the existing seven-storey residential apartment building by converting the existing ground floor parking garage into six new residential dwelling units.
80 m away · filed Jun 16, 2016 · Refused
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.