Toronto address · Ward 15, Don Valley West
170 St Leonard's Ave
The City of Toronto has 11 building permits since 2017 (2 still open) 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.
- Inspections under way
New house · New building - by renovation
Proposed new 2 storey single family detached dwelling.
Applied Apr 6, 2024 · issued Sep 6, 2024 · 1 home added · Permit 24 133131 BLD
- Inspections under way
Drains and site services
Drain - Proposed new 2 storey single family detached dwelling.
Applied Apr 6, 2024 · issued Sep 6, 2024 · Permit 24 133131 DRN
- Closed
Heating and ventilation
HVAC - Proposed new 2 storey single family detached dwelling.
Applied Apr 6, 2024 · issued Sep 9, 2024 · completed Dec 16, 2025 · Permit 24 133131 HVA
- Closed
Plumbing
Plumbing - Proposed new 2 storey single family detached dwelling.
Applied Apr 6, 2024 · issued Sep 6, 2024 · completed Dec 16, 2025 · Permit 24 133131 PLB
- Closed
Demolition
Proposed demolition of dwelling.
Applied Apr 6, 2024 · issued Sep 6, 2024 · completed Mar 26, 2026 · 1 home removed · Permit 24 133135 DEM
- Cancelled
Small residential project · Multiple projects
Revision to permit. Scope of work has changed to new detached dwelling unit on existing foundation. (Previous scope of work proposed addition, interior alterations, front porch, and walk up to an existing dwelling).
Applied Dec 28, 2021 · completed Nov 10, 2025 · Permit 21 163117 BLD (revision 01)
- Cancelled
Drains and site services
Drain - Proposed addition, interior alterations, front proch, and walk up to an existing dwelling
Applied May 31, 2021 · issued Aug 4, 2021 · completed Jul 21, 2026 · Permit 21 163117 DRN
- Cancelled
Small residential project · Multiple projects
Proposed addition, interior alterations, front porch, and walk up to an existing dwelling
Applied May 31, 2021 · issued Aug 4, 2021 · completed Jul 21, 2026 · Permit 21 163117 BLD
- Closed
Plumbing
Plumbing - Proposed addition, interior alterations, front proch, and walk up to an existing dwelling
Applied May 31, 2021 · issued Aug 4, 2021 · completed Feb 18, 2026 · Permit 21 163117 PLB
- Closed
Heating and ventilation
HVAC - Proposed 2 storey rear addition - Addition(s)
Applied Jun 11, 2004 · issued Jul 16, 2004 · completed Feb 18, 2026 · Permit 04 137755 HVA
- Closed
Small residential project · Addition(s)
Proposed 2 storey rear addition
Applied May 20, 2004 · issued May 26, 2004 · completed Feb 18, 2026 · Permit 04 137755 BLD
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
251 Dawlish Ave · Minor variance
To construct a new detached 3 storey dwelling with a cabana in the rear yard.
240 m away · filed Nov 27, 2025 · Approved
241 Dawlish Ave · Minor variance
To construct an ancillary building in the rear yard.
200 m away · filed Oct 31, 2025 · Approved
235 Dawlish Ave · Minor variance
To construct a new detached dwelling.
180 m away · filed Sep 23, 2025 · Approved
235 Dawlish Ave · Minor variance
To construct a new dwelling.
180 m away · filed Feb 20, 2025 · Approved
102 Cheltenham Ave · Minor variance
To construct a new dwelling.
220 m away · filed Dec 19, 2024 · Approved
8 St Ives Cres · Minor variance
To extend the existing third storey dormer width and to increase ceiling height and usability of existing office and family room.
140 m away · filed Oct 28, 2024 · Approved
115 Cheltenham Ave · Minor variance
To construct a new dwelling. Please note, this application was previously deferred Thursday, October 24, 2024.
190 m away · filed Sep 12, 2024 · Approved
125 Rochester Ave · Minor variance
To construct a new dwelling.
130 m away · filed Feb 10, 2022 · 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.