Toronto address · Ward 11, University-Rosedale
451 Montrose Ave
The City of Toronto has 10 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.
- Closed
New house · New building
Reiviosn 01: REVISION TO BUILDING PERMIT. West second floor window size and North ground floor fire rated windowTo construct a new 3-storey semi-detached house with a secondary suite in the basement. The existing 2-storey semi-detached house will be demolished.See also 21-158820 ZZC 00 ZR & 21-191758 STE 11 MV
Applied Aug 22, 2024 · issued Oct 22, 2024 · completed Nov 20, 2025 · Permit 24 106382 BLD (revision 01)
- Closed
Heating and ventilation
HVAC - Proposal to construct a new two-storey laneway house.See also 21-191758 STE & 218820 ZZC
Applied Jan 19, 2024 · issued Apr 30, 2024 · completed Nov 12, 2025 · Permit 24 106403 HVA
- Closed
Plumbing
Plumbing - Proposal to demolish the existing two-storey single family dwelling and construct a new three-storey dwelling with basement suite.See also 21-158820 ZZC 00 ZR & 21-191758 STE 11 MV
Applied Jan 19, 2024 · issued Apr 22, 2024 · completed Nov 14, 2025 · Permit 24 106382 PLB
- Closed
Plumbing
Plumbing - Proposal to construct a new two-storey laneway house.See also 21-191758 STE & 218820 ZZC
Applied Jan 19, 2024 · issued Apr 30, 2024 · completed Aug 20, 2025 · Permit 24 106403 PLB
- Closed
Small residential project · New laneway / rear yard suite
To construct a two-storey ancillary building containing a laneway suite in the rear yard of the property, abutting the laneway.See also 21-191758 STE & 218820 ZZC
Applied Jan 19, 2024 · issued Apr 30, 2024 · completed Nov 12, 2025 · 1 home added · Permit 24 106403 BLD
- Closed
New house · New building
To construct a new 3-storey semi-detached house with a secondary suite in the basement. The existing 2-storey semi-detached house will be demolished.See also 21-158820 ZZC 00 ZR & 21-191758 STE 11 MV
Applied Jan 19, 2024 · issued Apr 17, 2024 · completed Nov 20, 2025 · 2 homes added · Permit 24 106382 BLD
- Closed
Demolition
Proposal to demolish the existing two-storey single family dwelling and construct a new three-storey dwelling with basement suite.See also 24-106382 BLD 00 NH & 21-1588820 ZZC 00 ZR
Applied Jan 19, 2024 · issued Apr 15, 2024 · completed Jun 7, 2024 · 1 home removed · Permit 24 106394 DEM
- Closed
Drains and site services
Drain - Proposal to demolish the existing two-storey single family dwelling and construct a new three-storey dwelling with basement suite.See also 21-158820 ZZC 00 ZR & 21-191758 STE 11 MV
Applied Jan 19, 2024 · issued Apr 23, 2024 · completed Jul 12, 2024 · Permit 24 106382 DRN
- Closed
Heating and ventilation
HVAC - Proposal to demolish the existing two-storey single family dwelling and construct a new three-storey dwelling with basement suite.See also 21-158820 ZZC 00 ZR & 21-191758 STE 11 MV
Applied Jan 19, 2024 · issued Apr 24, 2024 · completed Nov 13, 2025 · Permit 24 106382 HVA
- Closed
Drains and site services
Drain - Proposal to construct a new two-storey laneway house.See also 21-191758 STE & 218820 ZZC
Applied Jan 19, 2024 · issued Apr 30, 2024 · completed Sep 19, 2024 · Permit 24 106403 DRN
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 · New R building
To construct a new three-storey semi-detached dwelling with a front porch, a rear deck, a rear basement walkout, a third storey rear terrace. Also, a two-storey semi-detached ancillary building (containing a laneway suite) will be constructed in the rear yard, abutting the laneway.
Decision: Approved (hearing Jan 12, 2022)
Filed Jul 29, 2021 · File A1024/21TEY
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
711 Crawford St · Minor variance
To construct a new two-storey detached ancillary building (to contain one laneway suite), in the rear yard, abutting the laneway. There will be a total of four residential dwelling units on this lot (three units within the main building and one unit within the ancillary building).
130 m away · filed May 15, 2026 · Approved
686 Crawford St · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing a third storey addition (dormers at the northwest, and south portions of the dwelling, partially cantilevered at the southwest portion of the dwelling), and a cantilevered rear third storey balcony with privacy planter.
140 m away · filed Oct 21, 2025 · Approved
421 Grace St · Minor variance
To alter the existing two-and-one-half-storey semi-detached dwelling by constructing a rear second storey addition with a rear box bay window, a third storey addition with a rear partially covered rooftop deck and green roof (above the second floor), a new covered front porch with stairs (the enclosed portion of the existing front porch will be demolished), a front basement window well, and a rear entrance canopy.
190 m away · filed Sep 29, 2025 · Approved
360 Montrose Ave · Minor variance
To construct a new three-storey mixed-use building containing one commercial unit (bakery/cafe) located on the ground floor, and three residential dwelling units (occupying the second and third levels) within this building. The existing two-storey mixed-use building (containing three commercial units, and two residential dwelling units) will be demolished. This current application is necessitated to correct and include variances not identified in the recently approved Minor Variance Decision #A0195/25TEY, for a previous proposal of a three-storey mixed-use building with one commercial unit an…
240 m away · filed Sep 19, 2025 · Approved
709 Crawford St · Minor variance
To construct a new three-storey detached dwelling with a front covered porch with stairs, front and rear third storey balconies, and a partially rear covered ground floor deck. Also, to construct a new two-storey ancillary building (laneway suite) in the rear yard of the property. There will be a total of three residential dwelling units on this lot (two units within the main dwelling and one unit (laneway suite) within the ancillary building).
130 m away · filed Apr 1, 2025 · Approved
360 Montrose Ave · Minor variance
To construct a new three-storey mixed-use building containing one commercial unit (retail use) located on the ground floor and four residential dwelling units (occupying the second and third levels) within this building. No parking spaces will be provided on this lot. The existing two-storey mixed-use building containing three commercial units, and two residential dwelling units will be demolished.
240 m away · filed Mar 11, 2025 · Approved
360 Montrose Ave · Minor variance
To construct a new three-and-one-half-storey mixed-use building with two fourth storey rooftop terraces. There will be one commercial unit (retail use) located on the ground floor and four residential dwelling units (two units occupying the second and third levels, and two units occupying the second, third, and fourth levels) within the building. No parking spaces will be provided on the lot. The existing two-storey mixed-use building containing three commercial units and two residential dwelling units will be demolished.
240 m away · filed Oct 22, 2024 · Refused
626 Crawford St · Minor variance
To alter the existing two-and-one-half-storey semi-detached dwelling by constructing a front basement walkout, a rear two-storey addition with a ground level juliette balcony, and a rear third storey addition with deck. The ancillary building (detached garage in the rear yard, abutting the laneway) will be maintained and unaltered. Also, there will be a total of three residential dwelling units within the main dwelling, on this lot.
190 m away · filed Jul 2, 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.