Toronto address · Ward 12, Toronto-St. Paul's
417 Westmount Ave
The City of Toronto has 6 building permits since 2017 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
Small residential project · Addition(s)
Revision 01 - remove two existing windows on south elevation and replace one in bedroom 3New 3rd floor addition 48.18 sq m and new 2 storey rear addition 39.06 sqm and underpinning 35.97lm and new wood deck and basement entrance to existing 2 storey detached dwelling.
Applied Jul 21, 2020 · issued Jul 27, 2020 · completed May 26, 2021 · Permit 17 111130 BLD (revision 01)
- Closed
Heating and ventilation
replace hvac system to high velocity unit & radiant floor heat in basementHVAC - New 3rd floor addition 48.18 sq m and new 2 storey rear addition 39.06 sqm and underpinning 35.97lm and new wood deck and basement entrance to existing 2 storey detached dwelling.
Applied Apr 29, 2019 · issued May 7, 2019 · completed May 26, 2021 · Permit 17 111130 HVA (revision 01)
- Closed
Heating and ventilation
HVAC - New 3rd floor addition 48.18 sq m and new 2 storey rear addition 39.06 sqm and underpinning 35.97lm and new wood deck and basement entrance to existing 2 storey detached dwelling.
Applied Jan 31, 2017 · issued Feb 28, 2017 · completed May 26, 2021 · Permit 17 111130 HVA
- Closed
Plumbing
Plumbing - New 3rd floor addition 48.18 sq m and new 2 storey rear addition 39.06 sqm and underpinning 35.97lm and new wood deck and basement entrance to existing 2 storey detached dwelling.
Applied Jan 31, 2017 · issued Feb 22, 2017 · completed May 26, 2021 · Permit 17 111130 PLB
- Closed
Small residential project · Addition(s)
New 3rd floor addition 48.18 sq m and new 2 storey rear addition 39.06 sqm and underpinning 35.97lm and new wood deck and basement entrance to existing 2 storey detached dwelling.
Applied Jan 31, 2017 · issued Feb 22, 2017 · completed May 26, 2021 · Permit 17 111130 BLD
- Closed
Drains and site services
Drain - New 3rd floor addition 48.18 sq m and new 2 storey rear addition 39.06 sqm and underpinning 35.97lm and new wood deck and basement entrance to existing 2 storey detached dwelling.
Applied Jan 31, 2017 · issued Feb 22, 2017 · completed May 26, 2021 · Permit 17 111130 DRN
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
386 Lauder Ave · Minor variance
To alter the existing two-storey detached dwelling by enclosing a portion of the existing front porch into habitable space.
170 m away · filed Sep 3, 2026 · Hearing scheduled
408 Lauder Ave · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing a front one-storey addition (porch enclosure). Also, to construct a new one-storey ancillary building (shed), in the rear yard. The existing rear shed will be demolished.
140 m away · filed Jul 3, 2026 · Hearing scheduled
416 Lauder Ave · Minor variance
To alter the existing two-storey semi-detached dwelling by enclosing a portion of the front covered porch into habitable space with a new exterior staircase, and to construct a new rear two-storey addition with a basement walkout. The existing rear ancillary building (detached garage) will be maintained and unaltered.
140 m away · filed Sep 29, 2025 · Approved
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).
220 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).
250 m away · filed Jun 12, 2025 · Approved
135 Sellers Ave · Minor variance
To alter the existing one-and-one-half-storey detached dwelling by constructing a rear two-storey addition with entrance stairs on the ground floor and a complete third storey addition.
250 m away · filed May 2, 2025 · Postponed
409 Northcliffe Blvd · Minor variance
To alter the existing one-storey detached dwelling by constructing ground floor addition (including a basement level), a complete second and third storey addition with rear balconies, and a rear ground floor deck with stairs.There will be a total of four residential dwelling units on this lot.
90 m away · filed Mar 27, 2025 · Approved
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.
220 m away · filed Sep 11, 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.