Toronto address · Ward 11, University-Rosedale
257 Montrose Ave
The City of Toronto has 9 building permits since 2017 (3 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.
- Revision issued
Small residential project · Garage
Revision 01: Revision to permit to include 10" concrete block foundation wall, infill gap with concrete between 257 & 259 Montrose Ave and underpinningProposal for a rear yard garage.
Applied Apr 2, 2026 · issued Apr 9, 2026 · Permit 26 109540 BLD (revision 02)
- Permit issued
Small residential project · Party wall admin permits
Proposal for Party Wall Admin permit related to 259 Montrose Ave (Detached Garage underpinning)
Applied Apr 1, 2026 · issued Apr 10, 2026 · Permit 26 137810 BLD
- Cancelled
Small residential project · Garage
Revision 01: 10" THK Concrete Block foundation wall, infill gap with concrete between 257 & 259 Montrose Ave & underpinning 1.82lm.Proposal for a rear yard garage.
Applied Mar 24, 2026 · completed Mar 26, 2026 · Permit 26 109540 BLD (revision 01)
- Inspections under way
Small residential project · Garage
Proposal for a rear yard garage.
Applied Jan 27, 2026 · issued Feb 2, 2026 · Permit 26 109540 BLD
- Closed
Plumbing
Plumbing - Proposal for interior alterations on second floor.
Applied Oct 9, 2025 · issued Oct 16, 2025 · completed Apr 22, 2026 · Permit 25 237761 PLB
- Closed
Small residential project · Interior alterations
Proposal for interior alterations on second floor.
Applied Oct 9, 2025 · issued Oct 16, 2025 · completed Apr 22, 2026 · Permit 25 237761 BLD
- Closed
Drains and site services
Drain - Proposed Underpinning basement and finished basement.Admin Permit w/ 255 MONTROSE Ave. (11-212128)Admin Permit w/ 259 MONTROSE Ave. (11-212129)
Applied Jul 22, 2011 · issued Jul 22, 2011 · completed Jun 20, 2025 · Permit 11 212127 DRN
- Closed
Plumbing
Plumbing - Proposed Underpinning basement and finished basement.Admin Permit w/ 255 MONTROSE Ave. (11-212128)Admin Permit w/ 259 MONTROSE Ave. (11-212129)
Applied Jun 9, 2011 · issued Jun 9, 2011 · completed Jul 9, 2025 · Permit 11 212127 PLB
- Closed
Small residential project · Multiple projects
Proposed Underpinning basement and finished basement.Admin Permit w/ 255 MONTROSE Ave. (11-212128)Admin Permit w/ 259 MONTROSE Ave. (11-212129)
Applied Jun 7, 2011 · issued Jun 9, 2011 · completed Jul 9, 2025 · Permit 11 212127 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
- Under appeal
- Under review
Neighbours’ Committee of Adjustment files within 250 m
235 Grace St · Minor variance
To alter the existing two-and-one-half-storey storey semi-detached by constructing a rear second storey addition (cantilevered at the northeast corner of the dwelling), a rear third storey addition with a deck (above the second storey roof), and a rear ground floor deck with stairs.
190 m away · filed Aug 31, 2026 · Hearing scheduled
492 Crawford St · Minor variance
To alter the existing two-and-one-half-storey semi-detached dwelling by constructing a rear third storey addition. The existing artificial turf in the rear yard will be replaced with soft landscaping (a total area of 39.73 m2).
120 m away · filed Sep 9, 2025 · Approved
324 Montrose Ave · Minor variance
To construct a new two-storey detached ancillary building (containing a one-car garage on the ground level, and a recreation room and washroom on the lower level), in the rear yard, abutting the Rae Lukock Lane. Also, to construct a new driveway, abutting the laneway, and a front (east) canopy.
160 m away · filed Aug 25, 2025 · Approved
555 Shaw St · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing a new canopy above the existing front porch, a new rear ground floor deck with a canopy and stairs, a rear hot tub, and a rear ancillary structure (pergola). Also, to construct a one-storey ancillary building (garage), in the rear yard, abutting the laneway.
200 m away · filed Aug 8, 2025 · Approved
561 Shaw St · Minor variance
To alter the existing three-storey semi-detached dwelling by constructing a rear third storey addition.
210 m away · filed Aug 6, 2025 · Approved
189 Beatrice St · Minor variance
To alter the existing two-and-one-half-storey detached dwelling by constructing a front basement walkout with terrace, a third storey addition with a front terrace, and a rear three-storey addition with a second storey terrace. The existing ancillary building (detached garage in the rear yard, abutting the laneway), will be maintained and unaltered.
180 m away · filed Nov 13, 2024 · Approved
238 Grace St · Consent
To obtain consent for the technical severance of the property for the purpose of re-establishing two lots which merged on title.
150 m away · filed Mar 6, 2024 · Approved
270 Montrose Ave · Minor variance
To alter the existing two-storey semi-detached dwelling by enclosing the existing front covered concrete porch (north east side), and to construct new access steps to the existing front covered wood porch. The existing front concrete steps (north east side) will be demolished.
80 m away · filed Jan 22, 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.