Toronto address · Ward 12, Toronto-St. Paul's
517 Westmount Ave
The City of Toronto has 4 building permits since 2017 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.
- Cancelled
Small residential project · Second suite (New)
Convert the existing basement into a second dwelling unit
Applied Nov 29, 2017 · completed Dec 14, 2017 · 1 home added · Permit 17 268712 BLD
- Cancelled
Heating and ventilation
HVAC - To construct a two storey and rear addition, wood deck at rear and basement walkout, interior alterations.
Applied Oct 5, 2017 · issued Nov 23, 2017 · completed Oct 20, 2025 · Permit 17 162696 HVA
- Cancelled
Plumbing
Plumbing - To construct a two storey and rear addition , wood deck at rear and basement walkout, interior alterations.
Applied May 18, 2017 · issued Jul 25, 2017 · completed Oct 20, 2025 · Permit 17 162696 PLB
- Cancelled
Small residential project · Multiple projects
To construct a two storey and rear addition, wood deck at rear and basement walkout, interior alterations.
Applied May 18, 2017 · issued Jul 25, 2017 · completed Oct 20, 2025 · Permit 17 162696 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 · NR addition
To construct a second floor addition above the existing one-storey dwelling including a portion of the existing front porch. The applicant is also proposing a two-storey rear addition.
Decision: Approved (hearing Jan 12, 2017)
Filed Nov 2, 2016 · File A0949/16NY
What’s planned nearby
Development sites within 500 m
- Approved
Neighbours’ Committee of Adjustment files within 250 m
13 Woodcroft Cres · Minor variance
250 m away · filed Jul 30, 2026 · Postponed
484 Westmount Ave · Minor variance
To construct a new two-storey ancillary building containing one garden suite, in the rear yard. There will be a total of five residential dwelling units on this lot (four units within the main dwelling and one unit within the ancillary building).
120 m away · filed Jul 22, 2025 · Approved
486 Northcliffe Blvd · Minor variance
To construct a two-storey ancillary building containing one garden suite, in the rear yard of the fourplex (currently under construction as approved in Minor Variance Decision A0730/24TEY). There will be a total of five residential dwelling units on this lot (four units occupying the fourplex and one unit occupying the ancillary building).
100 m away · filed Jun 12, 2025 · Approved
2169 Dufferin St · Minor variance
To legalize and to maintain the front porch and stairs, that were constructed without an authorized building permit. The previous front porch and stairs were demolished.
130 m away · filed Dec 2, 2024 · Refused
484 Westmount Ave · Minor variance
To construct a new three-storey detached dwelling (fourplex) with a rear basement walkout entry with stairs, and a sunken patio. The existing one-storey detached dwelling, and rear yard detached shed will be demolished. There will be four dwelling units on the lot.
120 m away · filed Sep 11, 2024 · Approved
486 Northcliffe Blvd · Minor variance
To construct a new three-storey detached fourplex dwelling with a rear basement walkout entry, rear balconies on the first, second, and third floors, and a front third floor balcony. The existing ancillary building (detached garage) will be maintained. The existing one-storey detached dwelling will be demolished. There will be four dwelling units on the lot.
100 m away · filed Aug 17, 2024 · Approved
83 Amherst Ave · Minor variance
To alter the existing two-storey detached dwelling by constructing three-storey additions along the west side and rear walls, a partial third storey addition above the existing dwelling, a front covered porch, front and rear basement walkouts, front and rear third storey decks, and a rear ground floor deck. Also, to construct a new two-storey ancillary building (containing one garden suite) in the rear yard. There will be a total of four residential dwelling units on this lot (three units in the dwelling (triplex) and one unit in the ancillary building).
160 m away · filed Jun 21, 2024 · Approved
14 Holmesdale Rd · Minor variance
To construct a new three-storey detached dwelling (fourplex) with a covered front porch, second and third floor rear balconies, rear access stairs for each unit (fire escape), and a rear basement walkout with a patio. This dwelling will have a total of four residential dwelling units (fourplex). The existing one-storey detached dwelling will be demolished.
160 m away · filed Jan 26, 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.