Toronto address · Ward 11, University-Rosedale
23 Queen's Park Cres E
The City of Toronto has 61 building permits since 2017 (24 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
Heating and ventilation · HVAC: parking garages
Proposal for removing and replacing an air-handling unit in the Whitney Block underground mechanical room, reworking/replacing local ductwork and steam heating supply piping and providing a new condensing unit in the parking garage c/w refrigerant piping, controls, and electrical works to facilitate the new unit. Additionally, fire alarm tie in is required for new AHU TF-3, as well as existing tunnel pressurization fans PF-1 & PF-2. PF-2 existing pneumatic actuators and valve be replaced with new DDC control valve for steam piping, replace shut off valves in PF-2 steam piping as well. Base Bu…
Applied Feb 19, 2026 · issued Mar 20, 2026 · Permit 26 118744 MSA
- Not started
Temporary structure · Temporary structures
Deploying PA towers for distributed audio for the Ontario Police Memorial event. Event Start Date: May 3rd, 2025. Event end date: May 4th, 2025 - Ontario Police Memorial Park
Applied May 1, 2025 · Permit 25 152387 TPS
- Closed
Addition or alteration · Interior alterations
Proposal for interior alterations to existing office space on the fourth floor - Suite 4420Convenience address is 99 Wellesley St W
Applied Oct 4, 2024 · issued Oct 21, 2024 · completed Aug 20, 2025 · Permit 24 222030 BLD
- Cancelled
Temporary structure · Temporary structures
Proposal to erect temoprary structures - PA towers for distributed audio for the Ontario Police Memorial event. Event Start Date: May 4th, 2024. Event end date: May 5th, 2024
Applied Apr 30, 2024 · completed May 30, 2024 · Permit 24 142267 TPS
- Closed
Fire and security upgrade · Other
Proposed lighting retrofit in an existing service tunnel including adding standalone exit signs wthin North Service tunnel for Legistaltive building.
Applied Aug 4, 2023 · issued Sep 1, 2023 · completed Apr 22, 2024 · Permit 23 184597 FSU
- Closed
Addition or alteration · Multiple projects
REV 02 - Proposal to add 2 areas to the masonry restoration on the exterior facadeREV - 01 To alter interior space. Proposal to replace the ceiling on all floors, related to mechanical system rehabilitation, window replacements and masonry repairs on all elevations
Applied Jan 25, 2023 · issued Jul 11, 2023 · completed Jul 14, 2023 · Permit 15 132542 BLD (revision 02)
- Closed
Plumbing · Backflow prevention devices (Water only)
Install backflow preventer
Applied Aug 17, 2021 · issued Aug 31, 2021 · completed Dec 21, 2021 · Permit 21 199842 PSA
- Closed
Fire and security upgrade · Electromagnetic locks
Proposed to install one double electromagnetic lock on lower level at subway tunnel.Convenience address is 99 Wellesley St W.
Applied Jun 3, 2020 · issued Jun 24, 2020 · completed Jun 17, 2021 · Permit 20 152002 FSU
- Closed
Heating and ventilation
HVAC - Proposal for interior alterations to existing office building 7th floor
Applied Mar 26, 2019 · issued Apr 25, 2019 · completed Jun 9, 2020 · Permit 19 131120 HVA
- Closed
Plumbing
Plumbing - Proposal for interior alterations to existing office building 7th floor
Applied Mar 26, 2019 · issued Apr 25, 2019 · completed Jun 8, 2020 · Permit 19 131120 PLB
- Closed
Addition or alteration · Interior alterations
Proposal for interior alterations to existing office building 7th floor
Applied Mar 26, 2019 · issued Apr 9, 2019 · completed Jun 3, 2020 · Permit 19 131120 BLD
- Inspections under way
Addition or alteration · Garage Repair/Reconstruction
Proposed concrete repair and renural of existing north service tunnel walls
Applied Jun 26, 2018 · issued Aug 14, 2018 · Permit 18 184682 BLD
Show 49 more permits
- Inspections under way
Addition or alteration · Interior alterations
Proposal for interior alterations to separate Whitney block/parking garage from the Macdonald Complex in existing office building "Infrastructure Ontario"
Applied May 16, 2018 · issued Sep 6, 2018 · Permit 18 160040 BLD
- Permit issued
Heating and ventilation
HVAC - Proposal for interior alterations to separate Whitney block/parking garage from the Macdonald Complex in existing office building "Infrastructure Ontario"
Applied May 16, 2018 · issued Sep 6, 2018 · Permit 18 160040 HVA
- Closed
Plumbing
Plumbing - Proposal for interior alterations to separate Whitney block/parking garage from the Macdonald Complex in existing office building "Infrastructure Ontario"
Applied May 16, 2018 · issued Sep 6, 2018 · completed Dec 9, 2025 · Permit 18 160040 PLB
- Closed
Fire and security upgrade · Electromagnetic locks
Proposal to install 2 maglocks in existing office space on the 3rd floor.Convenience address is 99 Wellesley St W.
Applied May 2, 2018 · issued May 4, 2018 · completed Jan 6, 2020 · Permit 18 152316 FSU
- Permit issued
Addition or alteration · Interior alterations
Proposal for interior alterations to partial 3rd & 5th floor of an existing office building. Convenience address is 99 WELLESLEY ST W
Applied Mar 21, 2018 · issued Mar 29, 2018 · Permit 18 132427 BLD
- Permit issued
Heating and ventilation
HVAC - Proposal for interior alterations to partial 3rd & 5th floor of an existing office building. Convenience address is 99 WELLESLEY ST W
Applied Mar 21, 2018 · issued Apr 12, 2018 · Permit 18 132427 HVA
- Closed
Plumbing
Plumbing - Proposal for interior alterations to the 5th floor of the existing office building. Scope of work includes partitions, finishes, electrical, HVAC and plumbing. Convenience address is 99 Wellesley Street West.
Applied Nov 13, 2017 · issued Dec 11, 2017 · completed Dec 9, 2025 · Permit 17 261735 PLB
- Inspections under way
Addition or alteration · Interior alterations
Proposal for interior alterations to the 5th floor of the existing office building. Scope of work includes partitions, finishes, electrical, HVAC and plumbing. Convenience address is 99 Wellesley Street West.
Applied Nov 13, 2017 · issued Nov 22, 2017 · Permit 17 261735 BLD
- Closed
Heating and ventilation
HVAC - Proposal for interior alterations to the 5th floor of the existing office building. Scope of work includes partitions, finishes, electrical, HVAC and plumbing. Convenience address is 99 Wellesley Street West.
Applied Nov 13, 2017 · issued Dec 11, 2017 · completed Apr 27, 2018 · Permit 17 261735 HVA
- Permit issued
Addition or alteration · Other
Proposal to construct new retaining wall and new openings in existing retaining wall on exterior of existing government building.
Applied Sep 1, 2017 · issued Sep 20, 2017 · Permit 17 226743 BLD
- Closed
Heating and ventilation
REV - 01 To alter interior space.Proposal to replace the ceiling on all floors, related to mechanical system rehabilitation, window replacements and masonry repairs on all elevations
Applied Jan 4, 2017 · issued Feb 3, 2017 · completed Oct 6, 2023 · Permit 15 132542 HVA (revision 01)
- Closed
Plumbing
Plumbing - Proposal to replace the ceiling on all floors, related to mechanical system rehabilitation, window replacements and masonry repairs on all elevations
Applied Jan 4, 2017 · issued Mar 1, 2017 · completed Aug 2, 2023 · Permit 15 132542 PLB
- Closed
Addition or alteration · Multiple projects
REV - 01 To alter interior space. Proposal to replace the ceiling on all floors, related to mechanical system rehabilitation, window replacements and masonry repairs on all elevations
Applied Jan 4, 2017 · issued Jan 5, 2018 · completed Jul 14, 2023 · Permit 15 132542 BLD (revision 01)
- Permit issued
Heating and ventilation
HVAC - Proposal for interior alterations to create new offices on the basement level of existing office building. Convenience address is 99 Wellesley St W.
Applied Dec 16, 2016 · issued Jan 23, 2017 · Permit 15 131941 HVA
- Inspections under way
Plumbing
Plumbing - Proposal for interior alterations to create new offices on the basement level of existing office building. Convenience address is 99 Wellesley St W.
Applied Dec 16, 2016 · issued Jan 23, 2017 · Permit 15 131941 PLB
- Permit issued
Heating and ventilation
Mechanical - Proposal to remove the existing stone stairs and snow melting piping , provide new snow melting piping embedded within new concrete stairs on the south side of the existing office building.
Applied Jun 21, 2016 · issued Aug 8, 2016 · Permit 16 169687 HVA
- Permit issued
Addition or alteration · Other
Proposal to remove the existing stone stairs and snow melting piping , provide new snow melting piping embedded within new concrete stairs on the south side of the existing office building.
Applied Jun 7, 2016 · issued Aug 8, 2016 · Permit 16 169687 BLD
- Application on hold
Fire and security upgrade
FS - Sprinkler Shop Drawing - Proposal for interior alterations to create new offices on the basement level of existing office building.Convenience address is 99 Wellesley St W.
Applied Apr 21, 2015 · Permit 15 131941 FSU
- Closed
Heating and ventilation
HVAC - Proposal to replace the ceiling on all floors, related to mechanical system rehabilitation, window replacements and masonry repairs on all elevations
Applied Mar 26, 2015 · issued Aug 6, 2015 · completed Oct 6, 2023 · Permit 15 132542 HVA
- Closed
Addition or alteration · Multiple projects
Proposal to replace the ceiling on all floors, related to mechanical system rehabilitation, window replacements and masonry repairs on all elevations
Applied Mar 26, 2015 · issued Aug 6, 2015 · completed Jul 14, 2023 · Permit 15 132542 BLD
- Inspections under way
Addition or alteration · Interior alterations
Proposal for interior alterations to create new offices on the basement level of existing office building.Convenience address is 99 Wellesley St W.
Applied Mar 25, 2015 · issued Oct 5, 2015 · Permit 15 131941 BLD
- Closed
Fire and security upgrade · Other
Proposal to upgrade the existing emergency lighting and exit signs at the underground pedestrian tunnel, tunnel located between Queens park Ontario Infrastructure buildings and Queens Subway station
Applied Mar 3, 2015 · issued Mar 27, 2015 · completed Jun 17, 2021 · Permit 15 123371 FSU
- Inspections under way
Addition or alteration · Interior alterations
Proposed localized alterations to fourth floor office space (70m2) to convert two existing offices into four - SNC Lavalin O&M / Infrastructure Ontario
Applied Nov 12, 2014 · issued Nov 21, 2014 · Permit 14 250875 BLD
- Permit issued
Heating and ventilation
HVAC - Proposed localized alterations to fourth floor office space (70m2) to convert two existing offices into four - SNC Lavalin O&M / Infrstructure Ontario
Applied Nov 12, 2014 · issued Nov 24, 2014 · Permit 14 250875 HVA
- Permit issued
Fire and security upgrade · Other
Installation of 20 new smoke detectors to be installed within elevator shafts throught the building.
Applied Oct 23, 2014 · issued Nov 12, 2014 · Permit 14 241867 FSU
- Permit issued
Heating and ventilation
HVAC - Proposal to construct 1 new office in existing suite 5420 on the fifth floor of existing office building - Whitney Block
Applied Feb 19, 2013 · issued Feb 27, 2013 · Permit 13 121303 HVA
- Inspections under way
Addition or alteration · Interior alterations
Proposal to construct 1 new office in existing suite 5420 on the fifth floor of existing office building - Whitney Block
Applied Feb 19, 2013 · issued Feb 27, 2013 · Permit 13 121303 BLD
- Closed
Heating and ventilation
HVAC - This is for an upgrade to the washrooms located at the basement, ground and second levels. This is for CBRE limited.
Applied Feb 3, 2012 · issued Feb 8, 2012 · completed May 15, 2026 · Permit 12 116136 HVA
- Closed
Heating and ventilation
HVAC - Proposal for interior alterations to basement floor for new generator, ducts and fuel tanks. Convenience address is 99 Wellesley Street West.
Applied Jul 8, 2011 · issued Jul 29, 2011 · completed May 15, 2026 · Permit 11 234105 HVA
- Closed (dormant)
Addition or alteration · Interior alterations
Interior alterations to existing office on the 5th floor. Whitney Block. Convenience address - 99 Wellesely St W.
Applied Dec 24, 2008 · issued Jan 9, 2009 · completed Jun 8, 2026 · Permit 08 231984 BLD
- Closed (dormant)
Heating and ventilation
HVAC - Interior alterations to existing office on the 5th floor. Whitney Block. Convenience address - 99 Wellesely St W.
Applied Dec 24, 2008 · issued Jan 9, 2009 · completed Jun 8, 2026 · Permit 08 231984 HVA
- Work not started
Fire and security upgrade · Electromagnetic locks
PRoposal to remove 2 double mag locks and 1 single mag lock on the 4th floor, & install 4 new mag locks (1-5th floor & 3-6th floor). Convenience address - 99 Wellesley St W (Queens Park).
Applied Oct 1, 2008 · issued Oct 3, 2008 · Permit 08 208860 FSU
- Inspections under way
Plumbing
Plumbing - Interior alterations to existing office space - floor 5 - Area 5520 - Ministry of Natural Resources.
Applied Feb 22, 2008 · issued Mar 10, 2008 · Permit 08 113426 PLB
- Inspections under way
Addition or alteration · Interior alterations
Interior alterations to existing office space - floor 5 - Area 5520 - Ministry of Natural Resources.
Applied Feb 22, 2008 · issued Mar 10, 2008 · Permit 08 113426 BLD
- Closed (dormant)
Heating and ventilation
HVAC - Interior alterations to existing office space - floor 5 - Area 5520 - Ministry of Natural Resources.
Applied Feb 22, 2008 · issued Mar 10, 2008 · completed Jun 8, 2026 · Permit 08 113426 HVA
- Closed (dormant)
Heating and ventilation
HVAC - Proposal to construct interior alterations to protion of 3rd fl.
Applied Feb 6, 2007 · issued Feb 9, 2007 · completed Jun 8, 2026 · Permit 07 107135 HVA
- Closed (dormant)
Plumbing
Plumbing - Interior alterations to existing office on the 6th floor. Convenience address - 99 Wellesley St. W
Applied Jun 27, 2006 · issued Jul 11, 2006 · completed Jun 8, 2026 · Permit 06 151082 PLB
- Closed (dormant)
Heating and ventilation
HVAC - Interior alterations to existing office on the 6th floor. Convenience address - 99 Wellesley St. W
Applied Jun 27, 2006 · issued Jul 12, 2006 · completed Jun 8, 2026 · Permit 06 151082 HVA
- Closed (dormant)
Heating and ventilation
HVAC - Interior alterations to portion of 6th floor of Ministry Offices - Interior Alterations
Applied Apr 13, 2006 · issued Apr 25, 2006 · completed Jun 8, 2026 · Permit 06 126082 HVA
- Closed (dormant)
Plumbing
Plumbing - Interior alterations to portion of 6th floor of Ministry Offices - Interior Alterations
Applied Apr 13, 2006 · issued Apr 25, 2006 · completed Sep 18, 2026 · Permit 06 126082 PLB
- Closed (dormant)
Heating and ventilation
HVAC - Interior alterations to an existing office space on the 3rd floor - Interior Alterations
Applied Feb 28, 2006 · issued Apr 7, 2006 · completed Jun 8, 2026 · Permit 06 113108 HVA
- Closed
Addition or alteration · Interior alterations
Interior alterations to existing office space to remove and relocate partitions on the 5th floor
Applied Nov 8, 2005 · issued Nov 17, 2005 · completed Apr 16, 2026 · Permit 05 197108 BLD
- Closed
Heating and ventilation · Alter: add on /Ductwork
Replace piping to existing boilers throughout the building.Whitney Block - conv. address 99 Wellesley St. W.
Applied May 17, 2005 · issued Jun 28, 2005 · completed May 15, 2026 · Permit 05 133487 MSA
- Inspections under way
Fire and security upgrade · Multiple projects
Install fire alarm system throughout the building. Also install sprinkler system 2nd through 6th floor..(Whitney Block - conv. address 99 Wellesley St. W.)
Applied May 17, 2005 · issued Mar 14, 2006 · Permit 05 133466 FSU
- Closed (dormant)
Fire and security upgrade · Electromagnetic locks
Install 2 maglocks on 3rd floor
Applied May 17, 2001 · issued May 17, 2001 · completed Jun 8, 2026 · Permit 01 138406 FSU
- Closed (dormant)
Fire and security upgrade · Electromagnetic locks
Install 1 maglock at northwing of first floor.
Applied Apr 5, 2001 · issued Apr 5, 2001 · completed Jun 8, 2026 · Permit 01 124901 FSU
- Closed (dormant)
Non-residential building permit · Alteration to existing building
make alterations by repairing the masonry paraphet wall in Section 3 shown on plansl---(-work being done at 99 wellesley st w- conv. address)
Applied Dec 8, 2000 · issued Dec 14, 2000 · completed Jun 8, 2026 · Permit 00 360638 CMB
- Closed (dormant)
Non-residential building permit · Alteration to existing building
2 maglocks on 2nd floor
Applied Sep 14, 2000 · issued Sep 14, 2000 · completed Jun 8, 2026 · Permit 00 336940 CMB
- Closed (dormant)
Non-residential building permit · Alteration to existing building
install one maglock on 3rd fl---(-work being done at 99 wellesley st w- conv. address)
Applied Jun 28, 2000 · issued Jul 4, 2000 · completed Jun 8, 2026 · Permit 00 166686 CMB
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
- Approved
40 storeys · 446 homes · Residential
220 m away · Site plan · Approved · filed Apr 19, 2022
- Approved
- Under review
530-550 Yonge Street, 6-8 Breadalbane Street and 145 St Luke Lane
67 storeys · 860 homes · Mixed use
420 m away · Site plan · Under review · filed Nov 8, 2024
- Under review
510-528 Yonge Street and 7 Breadalbane Street
59 storeys · 587 homes · Mixed use
420 m away · Site plan · Under review · filed Aug 24, 2021
- Approved
- Under review
59 storeys · 540 homes · Mixed use
460 m away · Condominium · Under review · filed Oct 22, 2021
Neighbours’ Committee of Adjustment files within 250 m
95 St Joseph St · Minor variance
To alter the development standards (as approved under Site Specific Zoning By-law 1030-2022) for a new 40-storey mixed-use building, by increasing the building height, and to reduce the minimum number of vehicular parking spaces, the setback of the mechanical penthouse, and residential amenity space (indoor and outdoor).
250 m away · filed Jun 18, 2024 · Approved
95 St Joseph St · Consent
To obtain consent to a strata severance and to create various easements/rights-of-ways within a 40-storey mixed-use redevelopment.
250 m away · filed Jun 18, 2024 · Approved
900 Bay St · Minor variance
To amend the development standards to permit the existing height of the four buildings on site (Hepburn Tower (11-storeys), Mowat Tower (24-storeys), Hearst Tower (10-storeys), and Ferguson Tower (14-storeys)) and to allow an increase in height of three of the buildings (Hepburn, Mowat, and Hearst towers) for the purpose of insulation and roof drainage.
170 m away · filed Aug 4, 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.