Toronto address · Ward 9, Davenport
89 Rosethorn Ave
The City of Toronto has 1 building permit since 2017 (1 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.
- Permit issued
Small residential project · Multiple projects
Proposal for rear addition on second floor and interior renovations on ground floor.
Applied Jul 27, 2026 · issued Sep 10, 2026 · Permit 26 209524 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 review
119-200 Benny Stark Street and 116 Turnberry Avenue
24 storeys · 547 homes · Mixed use
410 m away · Site plan · Under review · filed Apr 29, 2022
- Under review
- Under review
Neighbours’ Committee of Adjustment files within 250 m
44 Rowntree Ave · Minor variance
To convert the existing rear one-storey detached ancillary building into a two-storey ancillary building (containing a two-car garage on the ground level, and one garden suite that will occupy the rear portion of the ground level and the second level), by constructing a second storey addition, and a two-storey addition along the rear (north) and side (east) portion of the building. There will be a total of two residential dwelling units on this lot (one unit within the main dwelling and one unit within the ancillary building).
200 m away · filed Nov 24, 2025 · Approved
43 Turnberry Ave · Minor variance
To legalize and to maintain the reconstruction of a complete second storey addition, and the construction of a rear two-storey addition (including a basement extension below), and front and rear covered porches with stairs, which were all constructed beyond an authorized building permit.
120 m away · filed Feb 21, 2025 · Approved
249 Silverthorn Ave · Minor variance
To alter the existing two-storey detached dwelling by constructing a rear two-storey addition, new front and rear covered verandahs with stairs, front and rear basement walkouts, and front and rear second storey balconies. Also, to construct a new two-storey detached ancillary building (containing one garden suite which will occupy both levels), in the rear yard of the property. There will be a total of four residential dwelling units on this lot (three dwelling units within the main house and one dwelling unit within the ancillary building).
100 m away · filed Jul 10, 2024 · Approved
581 Old Weston Rd · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a rear one-storey addition over the existing rear basement walkout. There will be one primary unit and one secondary suite within this dwelling.
180 m away · filed Sep 1, 2023 · Approved
291 Silverthorn Ave · Minor variance
To alter the existing two-storey mixed-use building ('Retail (Butcher) Store') by construct a new one-storey rear addition.
180 m away · filed Jul 21, 2022 · Approved
289 Blackthorn Ave · Minor variance
To alter the existing two-storey townhouse dwelling by constructing a two-storey rear addition with a ground floor deck, and to reconstruct the front porch stairs. The existing one-storey rear addition will be demolished.
240 m away · filed May 3, 2022 · Approved
167 Rosethorn Ave · Minor variance
To alter the existing three-storey detached dwelling by re-constructing the rear two-storey addition and constructing a rear ground floor deck, a rear second storey balcony with exterior stair access to the rear deck, and a rear third storey balcony. Further, a new secondary suite will be created for a total two units within the building.
220 m away · filed Oct 28, 2021 · Approved
176 Rosethorn Ave · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a new front porch and a front basement walkout and converting the basement into a secondary suite.
250 m away · filed Sep 16, 2021 · 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.