Toronto address · Ward 13, Toronto Centre
550 Ontario St
The City of Toronto has 12 building permits since 2017 (8 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
Fire and security upgrade · Sprinklers
Proposed modification of existing dry sprinkler system at parking levels, modifications to standpipe system, fire pump replacement and backflow preventer addition
Applied Dec 19, 2025 · issued Jan 2, 2026 · Permit 25 268472 FSU
- Permit issued
Addition or alteration · Other
Proposal for roof replacment and makeup air unit replacment. Interior diffuser alterations, and associated electrical work
Applied Nov 26, 2025 · issued Jan 12, 2026 · Permit 25 258770 BLD
- Permit issued
Heating and ventilation
HVAC - Proposal for roof replacment and makeup air unit replacment. Interior diffuser alterations, and associated electrical work
Applied Nov 26, 2025 · issued Feb 12, 2026 · Permit 25 258770 HVA
- Permit issued
Fire and security upgrade · Fire alarm
Proposal to replace Fire Alarm Panel
Applied Nov 12, 2025 · issued Nov 18, 2025 · Permit 25 252466 FSU
- Closed
Addition or alteration · Garage Repair/Reconstruction
Proposed localized structural concrete repair, and full slab waterproofing replacement in parking garage of existing building.
Applied Aug 22, 2023 · issued Sep 14, 2023 · completed Oct 7, 2024 · Permit 23 192369 BLD
- Inspections under way
Addition or alteration · Interior alterations
Garbage room layout modifications. Remove existing non-load bearing walls, and construct new non-load bearing walls. Modify the fire sprinkler system based on new layout.
Applied Apr 17, 2023 · issued May 10, 2023 · completed Oct 17, 2023 · Permit 23 134966 BLD
- Closed
Addition or alteration · Other
Replace existing generator with new one to existing building
Applied Jan 26, 2022 · issued Mar 3, 2022 · completed Jul 1, 2023 · Permit 22 107695 BLD
- Closed
Addition or alteration · Other
Proposal for concrete and waterproofing repairs, landscape, etc.
Applied Feb 5, 2018 · issued Feb 15, 2018 · completed May 30, 2022 · Permit 18 113705 BLD
- Permit issued
Heating and ventilation
HVAC - Permit for Green roof installation on north and south portion of existing apartment building - South Portion Active Green Roof and North Portion Passive Green Roof. on 8th and 9th floor, PLEASE SEE 09 163835 MSA FOR REL;ATED HVAC PERMIT.
Applied Mar 21, 2012 · issued Mar 29, 2012 · Permit 09 163827 HVA
- Revision issued
Addition or alteration · Other
Revison to show structural connection for from new duct work to roof strucure.
Applied Mar 21, 2012 · issued Mar 29, 2012 · Permit 09 163827 BLD (revision 01)
- Inspections under way
Addition or alteration · Other
Permit for Green roof installation on north and south portion of existing apartment building - South Portion Active Green Roof and North Portion Passive Green Roof. on 8th and 9th floor, PLEASE SEE 09 163835 MSA FOR REL;ATED HVAC PERMIT.
Applied Aug 31, 2009 · issued Oct 7, 2009 · Permit 09 163827 BLD
- Closed (dormant)
Heating and ventilation · Other
MECHANICAL STAND ALONE PERMIT FOR PASSIVE COOLING RELATING TO 09 - 163827 BLD - FOR - Permit for Green roof installation on north and south portion of existing apartment building - South Portion Active Green Roof and North Portion Passive Green Roof. on 8th and 9th floor,
Applied Aug 31, 2009 · issued Oct 1, 2009 · completed Jun 8, 2026 · Permit 09 163835 MSA
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
- Submitted
- Under review
39 storeys · 456 homes · Mixed use
270 m away · Condominium · Under review · filed Nov 8, 2021
- Under review
238-280 Wellesley Street East, 77 Howard Street and 650 Parliament Street
47 storeys · 3,182 homes · Mixed use
270 m away · Site plan · Under review · filed Apr 27, 2022
- Under appeal
39 storeys · 378 homes · Residential
310 m away · Site plan · Under appeal · filed Jul 6, 2023
- Under appeal
10 storeys · 60 homes · Mixed use
390 m away · Rezoning · Under appeal · filed Mar 17, 2023
- Under appeal
69 storeys · 823 homes · Residential
460 m away · Rezoning · Under appeal · filed Feb 26, 2024
Neighbours’ Committee of Adjustment files within 250 m
41 Rose Ave · Consent
To obtain consent for a technical severance to re-establish two residential lots which merged on title.
180 m away · filed Dec 22, 2022 · Approved
7 Rose Ave · Minor variance
To construct a one-storey ancillary building (detached garage) in the rear yard, abutting the laneway.
220 m away · filed May 19, 2022 · Approved
159 Wellesley St E · Consent
To obtain consent for the creation of a new easement.
200 m away · filed Dec 7, 2020 · Approved with conditions
566 Parliament St · Minor variance
To alter the existing 2½-storey mixed-use building by converting the portion of the ground floor behind the existing commercial use into a residential dwelling unit for a total of three units on site.
240 m away · filed Feb 20, 2019 · Approved
96 Bleecker St · Minor variance
To alter the existing 2½-storey townhouse by constructing a rear third storey addition with a balcony.
170 m away · filed Jan 4, 2019 · Approved
505 Ontario St · Minor variance
To alter the existing 2½-storey townhouse by constructing a rear second and third storey addition and a rear third storey deck.
210 m away · filed Jul 26, 2018 · Approved
13 Winchester St · Minor variance
To alter two existing semi-detached buildings by constructing a rear third storey addition, a rear two-storey addition, and a three-storey central addition to connect the two buildings. There will be four parking spaces at the rear of 13-15 Winchester Street and a deck at the rear of 17-19 Winchester Street. A total of 35 dwelling units will be provided as new affordable rental housing.
230 m away · filed Apr 23, 2018 · Approved
159 Wellesley St E · Minor variance
To alter the redevelopment plan for a 36-storey mixed-used building, approved under Site-Specific By-law 826-2013 with respect to development standards associated with: gross floor area, building height, dwelling unit breakdown, rate of indoor amenity space, off-site parking, bicycle parking spaces, and building envelope.
200 m away · filed Feb 16, 2017 · 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.