Toronto address · Ward 15, Don Valley West

4101 Yonge St

The City of Toronto has 34 building permits 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.

Plumbing
Rev 01: Remove third court from scope.Plumbing - Proposal for interior alterations to convert existing vacant basement space to pickleball courts and washrooms
Applied Oct 23, 2025 · issued Nov 7, 2025 · completed Jun 15, 2026 · Permit 25 163324 PLB (revision 01)
Closed
Heating and ventilation
Rev 01: Remove third court from scope.HVAC - Proposal for interior alterations to convert existing vacant basement space to pickleball courts and washrooms
Applied Oct 23, 2025 · issued Nov 7, 2025 · completed Jun 15, 2026 · Permit 25 163324 HVA (revision 01)
Closed
Addition or alteration · Interior alterations
Rev 01: Remove third court from scope.Proposal for interior alterations to convert existing vacant basement space to pickleball courts and washrooms
Applied Oct 23, 2025 · issued Nov 17, 2025 · completed Jun 23, 2026 · Permit 25 163324 BLD (revision 01)
Closed
Addition or alteration · Interior alterations
Proposal for interior alterations to convert existing vacant basement space to pickleball courts and washrooms
Applied May 22, 2025 · issued Jul 30, 2025 · completed Jun 23, 2026 · Permit 25 163324 BLD
Closed
Plumbing
Plumbing - Proposal for interior alterations to convert existing vacant basement space to pickleball courts and washrooms
Applied May 22, 2025 · issued Jul 30, 2025 · completed Jun 15, 2026 · Permit 25 163324 PLB
Closed
Heating and ventilation
HVAC - Proposal for interior alterations to convert existing vacant basement space to pickleball courts and washrooms
Applied May 22, 2025 · issued Jul 30, 2025 · completed Jun 15, 2026 · Permit 25 163324 HVA
Closed
Plumbing
Plumbing - Interior renovation project, demolish part of interior walls, ceilings and associated mechanical and electrical items on ceiling. Keep the existing washroom, remain all structural components, exterior doors, glazing. Add new interior walls, ceilings, lighting fixtures and mechanical items.
Applied Nov 21, 2024 · issued Dec 9, 2024 · completed May 5, 2025 · Permit 24 205060 PLB
Closed
Heating and ventilation
HVAC - Interior renovation project, demolish part of interior walls, ceilings and associated mechanical and electrical items on ceiling. Keep the existing washroom, remain all structural components, exterior doors, glazing. Add new interior walls, ceilings, lighting fixtures and mechanical items.
Applied Nov 21, 2024 · issued Dec 9, 2024 · completed May 5, 2025 · Permit 24 205060 HVA
Closed
Addition or alteration · Interior alterations
Interior renovation project, demolish part of interior walls, ceilings and associated mechanical and electrical items on ceiling. Keep the existing washroom, remain all structural components, exterior doors, glazing. Add new interior walls, ceilings, lighting fixtures and mechanical items.
Applied Aug 28, 2024 · issued Nov 15, 2024 · completed May 23, 2025 · Permit 24 205060 BLD
Closed
Fire and security upgrade · Electromagnetic locks
Revision 01 - Proposal to add an additional double maglock as per bubbled drawings.Proposed installation of (3) sinlge and (1) double electromagnetic locking device on the 6th floor of existing office building.
Applied Jun 8, 2018 · issued Jun 22, 2018 · completed May 10, 2019 · Permit 18 118328 FSU (revision 01)
Closed
Fire and security upgrade · Electromagnetic locks
Proposed installation of (3) sinlge and (1) double electromagnetic locking device on the 6th floor of existing office building.
Applied Feb 16, 2018 · issued Mar 29, 2018 · completed May 10, 2019 · Permit 18 118328 FSU
Closed
Heating and ventilation · Alter: Boiler/Furnace/AC replacement
Proposed roof top fluid cooler.
Applied Sep 28, 2017 · issued Oct 25, 2017 · completed Mar 27, 2019 · Permit 17 240133 MSA
Closed

Show 22 more permits

Heating and ventilation
HVAC - Interior Alterations of existing 6th floor corridor. Upgrade of finishes in north and south corridor and elevator lobbies.
Applied Jun 9, 2017 · issued Jul 5, 2017 · completed Jul 6, 2018 · Permit 17 176652 HVA
Closed
Addition or alteration · Interior alterations
Interior Alterations of existing 6th floor corridor. Upgrade of finishes in north and south corridor and elevator lobbies.
Applied Jun 9, 2017 · issued Jun 26, 2017 · completed Sep 25, 2018 · Permit 17 176652 BLD
Closed
Addition or alteration · Interior alterations
Interior Alterations of existing 5th floor corridor. Existing fixture count remains unchaged addition of new universal washroom. Upgrade existing finishes in corridor and elevator lobbies.
Applied Jun 9, 2017 · issued Sep 11, 2017 · completed Jul 27, 2018 · Permit 17 176665 BLD
Closed
Plumbing
Plumbing - Interior Alterations of existing 5th floor corridor. Existing fixture count remains unchaged addition of new universal washroom. Upgrade existing finishes in corridor and elevator lobbies.
Applied Jun 9, 2017 · issued Sep 11, 2017 · completed Dec 13, 2017 · Permit 17 176665 PLB
Closed
Heating and ventilation
HVAC - Interior Alterations of existing 5th floor corridor. Existing fixture count remains unchaged addition of new universal washroom. Upgrade existing finishes in corridor and elevator lobbies.
Applied Jun 9, 2017 · issued Sep 11, 2017 · completed Jul 20, 2018 · Permit 17 176665 HVA
Closed
Heating and ventilation
HVAC - Interior Alterations to the entrance lobby ceiling only to group D
Applied Sep 25, 2012 · issued Oct 11, 2012 · completed Mar 19, 2019 · Permit 12 253161 HVA
Closed
Addition or alteration · Interior alterations
Interior Alterations to the entrance lobby ceiling only to group D
Applied Sep 25, 2012 · issued Oct 11, 2012 · completed May 9, 2019 · Permit 12 253161 BLD
Closed
Heating and ventilation
Revision to hvac for interior alterations to offices in unit 501 - SecureKey
Applied Aug 30, 2012 · issued Sep 18, 2012 · completed Jan 3, 2019 · Permit 12 150187 HVA (revision 01)
Closed
Addition or alteration · Interior alterations
Revision to interior alterations to offices in unit 501 - SecureKey
Applied Aug 30, 2012 · issued Sep 11, 2012 · completed Sep 22, 2018 · Permit 12 150187 BLD (revision 01)
Closed
Heating and ventilation
HVAC - Interior alterations to offices in unit 501 - SecureKey
Applied Apr 5, 2012 · issued Apr 27, 2012 · completed Jan 3, 2019 · Permit 12 150187 HVA
Closed
Addition or alteration · Interior alterations
Interior alterations to offices in unit 501 - SecureKey
Applied Apr 5, 2012 · issued Apr 24, 2012 · completed Sep 22, 2018 · Permit 12 150187 BLD
Closed
Addition or alteration · Interior alterations
Add a fire alarm panel to 6th floor suite (temporarily) until the base building fire alarm upgrades are completed in Sept /07
Applied May 31, 2007 · completed Aug 23, 2017 · Permit 06 120204 BLD (revision 02)
Cancelled
Addition or alteration · Interior alterations
alter plans by constructing pad on roof for hvac equipment. - Interior alterations to the 6th floor of an existing office bulding to provide facilities for clinical drug trials and associated admin. space for research organization
Applied Nov 2, 2006 · issued Nov 23, 2006 · completed Aug 23, 2017 · Permit 06 120204 BLD (revision 01)
Closed
Addition or alteration · Interior alterations
Interior alterations to the 6th floor of an existing office bulding to provide facilities for clinical drug trials and associated admin. space for research organization
Applied Mar 24, 2006 · issued Aug 18, 2006 · completed Aug 23, 2017 · Permit 06 120204 BLD
Closed
Plumbing
Plumbing - Interior alterations to 5th floor of an existing office building - Interior Alterations
Applied Feb 17, 2006 · issued Feb 23, 2006 · completed Mar 4, 2019 · Permit 06 110582 PLB
Closed
Addition or alteration · Interior alterations
Interior alterations to 5th floor of an existing office building
Applied Feb 17, 2006 · issued Mar 24, 2006 · completed Sep 22, 2018 · Permit 06 110582 BLD
Closed
Heating and ventilation · HVAC: groups A & B
HVAC - see orig Builing Permit 04-193124
Applied Nov 7, 2005 · issued Mar 22, 2006 · completed Jul 27, 2026 · Permit 05 200507 MSA
Closed
Addition or alteration · Interior demolition
Interior demolition on the 7th floor
Applied May 3, 2005 · issued May 3, 2005 · completed Sep 22, 2018 · Permit 05 128642 BLD
Closed
Non-residential building permit · Alteration to existing building
Construct a new elevator for the T.T.C.
Applied Nov 17, 2004 · issued Feb 23, 2005 · Permit 04 193124 BLD
Inspections under way
Addition or alteration · Interior alterations
Interior alterations to office. 7th floor.
Applied Mar 16, 2004 · issued Mar 16, 2004 · completed Sep 22, 2018 · Permit 04 116664 BLD
Closed
Addition or alteration · Interior alterations
Interior alterations to expand the existing doctor's office.
Applied Apr 8, 2003 · issued Apr 29, 2003 · completed Sep 22, 2018 · Permit 03 121892 BLD
Closed
Addition or alteration · Interior alterations
Interior alterations in office building
Applied Sep 17, 2002 · issued Oct 16, 2002 · completed Sep 21, 2018 · Permit 02 173457 BLD
Closed

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

4050 Yonge Street
500 homes · Not stated in the file
130 m away · Site plan · Under review · filed Feb 26, 2026
Under review
10-36 York Mills Road
40 storeys · 903 homes · Mixed use
140 m away · Rezoning · Under review · filed Aug 7, 2026
Under review
25 Old York Mills Road
12 storeys · 98 homes · Mixed use
280 m away · Site plan · Under review · filed Jul 19, 2022
Under review

Neighbours’ Committee of Adjustment files within 250 m

4050 Yonge St · Minor variance
To alter the development standards, as approved under Site-Specific By-law No. 788-2022(OLT), for the proposed 14 and 32-storey residential buildings, including to increase the maximum building heights, amend the required building setbacks and add balconies to the list of permitted encrochments.
160 m away · filed Mar 2, 2026 · Approved
10 York Mills Rd · Minor variance
To permit a Recreation Use, to facilitate a kids' indoor playground, with a large recreation facility including serving food -"Petito Kid's Indoor Playground". The unit 100 is approximately 466.65m². Also, intend to introduce a Pickle Ball Facility in a below-grade unit in the existing building. That unit is approximately 1,185.72m².Part of Lot 11 Concession 1 EYS, Part of Lot 92 Registered Plan 204, Part of Units 1 and 2 Plan D-48, Part of Lot 16 and Block A
120 m away · filed Mar 8, 2024 · Approved
4050 Yonge St · Minor variance
Proposal to reduce the minimum required residential parking and to permit short-term bike parking in a stacker. No changes are proposed to non-residential parking.
160 m away · filed Oct 4, 2023 · Approved
4050 Yonge St · Minor variance
To seek relief from site specific By-law 0788-2022 (OLT) to increase gross floor area, and permitted height and decrease in floor area for office use. Related file: A0531/23NY
160 m away · filed Aug 9, 2023 · Approved
23 York Ridge Rd · Minor variance
To construct a new dwelling.
190 m away · filed Jul 8, 2022 · Approved

Everything planned in Don Valley West

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.