Toronto address · Ward 13, Toronto Centre
366 Ontario St
The City of Toronto has 7 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 · Multiple projects
Revision 3 to permit 18-216375 BLD. Rebuilding ground floor deck, changes to second floor balcony setback. Revision 2. Revision to issued permit 18-216375 BLD 01 as per bubbled area. Changes to basement window, raising height portion on attic floor. Revision 1. Changes as bubbled. Refer to ADMIN PARTY WALL PERMIT
Applied Jul 24, 2019 · issued Jul 25, 2019 · completed Dec 23, 2019 · Permit 18 216375 BLD (revision 03)
- Closed
Small residential project · Multiple projects
Revision 2. Revision to issued permit 18-216375 BLD 01 as per bubbled area. Changes to basement window, raising height portion on attic floor. Revision 1. Changes as bubbled. Refer to ADMIN PARTY WALL PERMIT
Applied Apr 26, 2019 · issued May 7, 2019 · completed Dec 23, 2019 · Permit 18 216375 BLD (revision 02)
- Closed
Small residential project · Multiple projects
Revision 1. Changes as bubbled. Refer to ADMIN PARTY WALL PERMIT
Applied Mar 22, 2019 · issued Mar 28, 2019 · completed Dec 23, 2019 · Permit 18 216375 BLD (revision 01)
- Closed
Drains and site services
Drain - Proposal for underpinning, new basement walkout and interior alteration to existing unit.
Applied Mar 12, 2019 · issued Mar 19, 2019 · completed Nov 6, 2019 · Permit 18 216375 DRN
- Closed
Heating and ventilation
HVAC - Proposal for underpinning, new basement walkout and interior alteration to existing unit.
Applied Feb 25, 2019 · issued Feb 27, 2019 · completed Nov 6, 2019 · Permit 18 216375 HVA
- Closed
Plumbing
Plumbing - Proposal for underpinning, new basement walkout and interior alteration to existing unit.
Applied Feb 25, 2019 · issued Mar 6, 2019 · completed Nov 6, 2019 · Permit 18 216375 PLB
- Closed
Small residential project · Multiple projects
Proposal for underpinning, new basement walkout and interior alteration to existing unit.
Applied Aug 28, 2018 · issued Dec 19, 2018 · completed Dec 23, 2019 · Permit 18 216375 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
107 homes · Residential
100 m away · Condominium · Under review · filed Oct 27, 2021
- Under review
10 storeys · 60 homes · Mixed use
130 m away · Site plan · Under review · filed Jul 4, 2025
- Under review
10 storeys · Residential
230 m away · Condominium · Under review · filed Oct 26, 2021
- Now selling
- Under review
14 storeys · 137 homes · Mixed use
280 m away · Site plan · Under review · filed Oct 18, 2021
- Under review
11 storeys · Mixed use
310 m away · Site plan · Under review · filed May 26, 2026
Neighbours’ Committee of Adjustment files within 250 m
311 Sherbourne St · Minor variance
To alter the existing three-storey mixed-use building by converting the storage room on the second and third levels into seven additional hostel suites (three on the second level, and four on the third level). The existing pharmacy and cafeteria on the ground level, 19 hostel suites on the second level, and 20 hostel suites on the third level will be maintained and unaltered.
190 m away · filed Apr 8, 2026 · Approved
320 Ontario St · Minor variance
To alter the existing two-storey detached dwelling by constructing a rear two-storey addition with a ground floor covered deck. The existing rear one-storey addition and rear deck will be demolished.
120 m away · filed Apr 10, 2025 · Approved
311 Sherbourne St · Minor variance
To alter the existing three-storey commercial building (containing office uses) by converting the west half of the first storey, and the second and third storeys into a hotel use with a common use area located on the ground floor. The existing east half of the building and the existing pharmacy (located on the ground floor) will be maintained. There will be a total of 39 hotel rooms within this mixed-use building.
190 m away · filed Feb 5, 2025 · Approved
268 Seaton St · Minor variance
To convert the existing two-and-one-half-storey rowhouse into a 12-room rooming house by constructing a rear third storey addition with a balcony.
90 m away · filed Feb 8, 2024 · Approved
227 Gerrard St E · Minor variance
To alter the development standards (as approved under Site Specific Zoning By-laws 887-2021(OLT) and 888-2021(OLT)), for a 7-storey mixed-use building, by increasing the number of dwelling units.
90 m away · filed Nov 10, 2023 · Approved
391 Ontario St · Minor variance
To alter the existing two-storey mixed-use building by constructing a partial third storey addition (north side) with a deck on the roof of the second storey portion (south side) of the building. The existing ground floor commercial space will be maintained and unaltered and the existing residential unit will now occupy both the second and third storeys of the building.
80 m away · filed Aug 23, 2023 · Approved
394 Dundas St E · Minor variance
To permit the existing two-storey rowhouse into a rooming house (a total of 5 suites) through interior alterations. Also, to maintain the existing rear one-storey ancillary building (detached garage), in the rear yard, abutting the laneway.
220 m away · filed Aug 14, 2023 · Approved
272 Berkeley St · Minor variance
To permit three secondary suites (one within the basement, one on the second level, and one on the third level) in the existing semi-detached dwelling, which were constructed without an authorized building permit. Also, to permit a rear outdoor staircase, as well as a rear landing with stairs at the ground floor level. The existing rear deck and balconies will be demolished.
210 m away · filed Jun 9, 2023 · 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.