Toronto address · Ward 8, Eglinton-Lawrence
4100 Yonge St
The City of Toronto has 54 building permits since 2017 (7 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.
- Inspections under way
Heating and ventilation
HVAC - Proposal for interior alterations to existing office space - UNIT 502, "Bluecat Networks Inc"
Applied Jun 4, 2026 · issued Jun 30, 2026 · Permit 26 177558 HVA
- Permit issued
Addition or alteration · Interior alterations
Proposal for interior alterations to existing office space - UNIT 502, "Bluecat Networks Inc"
Applied Jun 4, 2026 · issued Jun 30, 2026 · Permit 26 177558 BLD
- Inspections under way
Plumbing
Plumbing - Proposal for interior alterations to existing office space - UNIT 502, "Bluecat Networks Inc"
Applied Jun 4, 2026 · issued Jun 30, 2026 · Permit 26 177558 PLB
- Closed
Addition or alteration · Interior alterations
Proposal for interior alterations to existing office.
Applied Feb 25, 2026 · issued Mar 2, 2026 · completed May 29, 2026 · Permit 26 121134 BLD
- Closed
Heating and ventilation
HVAC - Proposal for interior alterations to existing office.
Applied Feb 25, 2026 · issued Mar 3, 2026 · completed May 26, 2026 · Permit 26 121134 HVA
- Closed
Heating and ventilation · Other
Decommissioning of HVAC Suplimentary Units due to lease expiration
Applied May 14, 2024 · issued Jun 11, 2024 · completed Jul 3, 2024 · Permit 24 148258 MSA
- Closed
Addition or alteration · Interior alterations
Proposal for interior alterations to reception, product display, and training room.
Applied May 2, 2022 · issued Jun 8, 2022 · completed Jul 19, 2023 · Permit 22 140612 BLD
- Cancelled
Fire and security upgrade · Electromagnetic locks
Proposal to install mag lock on doors from elevator lobby to reception.
Applied May 2, 2022 · issued May 25, 2022 · completed Aug 8, 2023 · Permit 22 140621 FSU
- Closed
Plumbing
Plumbing - Proposal for interior alterations to reception, product display, and training room.
Applied May 2, 2022 · issued Jun 8, 2022 · completed Jul 10, 2023 · Permit 22 140612 PLB
- Closed
Plumbing
PLUMBING REVISION#1: Building Interior Alterations on the ground floor - Plumbing Revision Plumbing - Proposed interior alterations on the ground floor
Applied Oct 8, 2020 · issued Oct 16, 2020 · completed Oct 20, 2020 · Permit 19 186553 PLB (revision 01)
- Closed
Addition or alteration · Interior alterations
Proposal for interior alterations to the managers office and lunch room
Applied Dec 2, 2019 · issued Jan 10, 2020 · completed Aug 7, 2020 · Permit 19 256053 BLD
- Closed
Heating and ventilation
HVAC - Proposal for interior alterations to the managers office and lunch room
Applied Dec 2, 2019 · issued Jan 14, 2020 · completed Jul 24, 2020 · Permit 19 256053 HVA
Show 42 more permits
- Closed
Heating and ventilation
HVAC - Proposed interior alterations on the ground floor
Applied Jul 10, 2019 · issued Aug 22, 2019 · completed Sep 21, 2020 · Permit 19 186553 HVA
- Closed
Plumbing
Plumbing - Proposed interior alterations on the ground floor
Applied Jul 10, 2019 · issued Aug 22, 2019 · completed Oct 20, 2020 · Permit 19 186553 PLB
- Closed
Addition or alteration · Interior alterations
Proposed interior alterations on the ground floor
Applied Jul 10, 2019 · issued Aug 22, 2019 · completed Sep 17, 2020 · Permit 19 186553 BLD
- Closed
Fire and security upgrade · Sprinklers
Alterations to the sprinkers by addition two head but no changes to the floor area or to the partions.
Applied May 10, 2019 · issued May 30, 2019 · completed Aug 19, 2019 · Permit 19 152594 FSU
- Closed
Heating and ventilation · HVAC: groups D & E
Alterations to the heating but no changes to the floor area or to the partions.
Applied May 10, 2019 · issued May 30, 2019 · completed Jul 17, 2023 · Permit 19 152563 MSA
- Closed
Plumbing · Other
the only work is to cap off one sink but no changes to the floor area or to the partions.
Applied May 10, 2019 · issued May 30, 2019 · completed Dec 8, 2021 · Permit 19 152587 PSA
- Revision issued
Heating and ventilation
REV01: changes to layout
Applied Apr 29, 2019 · issued Jun 7, 2019 · Permit 18 270529 HVA (revision 01)
- Revision issued
Addition or alteration · Interior alterations
REV01: changes to layout
Applied Apr 29, 2019 · issued May 14, 2019 · Permit 18 270529 BLD (revision 01)
- Inspections under way
Heating and ventilation
HVAC - Proposal for interior alterations to existing office suite
Applied Dec 20, 2018 · issued Jan 16, 2019 · Permit 18 270529 HVA
- Permit issued
Addition or alteration · Interior alterations
Proposal for interior alterations to existing office suite
Applied Dec 20, 2018 · issued Jan 11, 2019 · Permit 18 270529 BLD
- Closed
Plumbing
Plumbing - Interior alterations to unit 200 for laser eye clinic - Clearview Vision Institute
Applied Sep 6, 2018 · issued Oct 1, 2018 · completed Aug 1, 2019 · Permit 18 175847 PLB
- Closed
Heating and ventilation
HVAC - Interior alterations to unit 200 for laser eye clinic - Clearview Vision Institute
Applied Sep 6, 2018 · issued Oct 1, 2018 · completed Apr 1, 2019 · Permit 18 175847 HVA
- Closed
Addition or alteration · Interior alterations
Interior alterations to unit 200 for laser eye clinic - Clearview Vision Institute
Applied Jun 11, 2018 · issued Aug 7, 2018 · completed Aug 9, 2019 · Permit 18 175847 BLD
- Closed
Heating and ventilation
HVAC - Proposal for a new demising wall on the Ground floor of the existing office building.
Applied Apr 3, 2018 · issued May 16, 2018 · completed Feb 22, 2019 · Permit 18 137953 HVA
- Closed
Addition or alteration · Interior alterations
Proposal for a new demising wall on the Ground floor of the existing office building.
Applied Apr 3, 2018 · issued May 16, 2018 · completed Jan 3, 2019 · Permit 18 137953 BLD
- Closed
Heating and ventilation
HVAC - Proposed interior alterations to existing office.
Applied Mar 8, 2018 · issued Apr 6, 2018 · completed May 16, 2018 · Permit 18 126526 HVA
- Closed
Addition or alteration · Interior alterations
Proposed interior alterations to existing office.
Applied Mar 8, 2018 · issued Mar 27, 2018 · completed May 24, 2018 · Permit 18 126526 BLD
- Closed
Plumbing
Plumbing - Interior alterations to concourse level, convert existing unoccupied suite and build a new universal washroom.
Applied Nov 21, 2017 · issued Jan 2, 2018 · completed Sep 4, 2018 · Permit 17 265538 PLB
- Closed
Addition or alteration · Interior alterations
Interior alterations to concourse level, convert existing unoccupied suite and build a new universal washroom. Revsion from 17- 217672
Applied Nov 21, 2017 · issued Jan 2, 2018 · completed Aug 29, 2018 · Permit 17 265538 BLD
- Closed
Heating and ventilation
HVAC - Interior alterations to concourse level, convert existing unoccupied suite and build a new universal washroom.
Applied Nov 21, 2017 · issued Jan 2, 2018 · completed Sep 4, 2018 · Permit 17 265538 HVA
- Closed
Addition or alteration · Interior alterations
Interior Alterations of existing Business Office Suite new tenant Bluecat.
Applied Apr 10, 2017 · issued May 31, 2017 · completed Jan 11, 2018 · Permit 17 141972 BLD
- Closed
Heating and ventilation
HVAC - Interior Alterations of existing Business Office Suite new tenant Bluecat.
Applied Apr 10, 2017 · issued May 31, 2017 · completed Nov 29, 2017 · Permit 17 141972 HVA
- Closed
Plumbing
Plumbing - Interior Alterations of existing Business Office Suite new tenant Bluecat.
Applied Apr 10, 2017 · issued May 31, 2017 · completed Dec 20, 2017 · Permit 17 141972 PLB
- Closed
Addition or alteration · Interior alterations
renovate 2nd floor public washrooms
Applied Jan 5, 2015 · issued Jan 29, 2015 · completed Feb 23, 2017 · Permit 15 100724 BLD
- Closed
Addition or alteration · Other
Creation of demising wall in Suite 412
Applied Mar 3, 2014 · issued Apr 14, 2014 · completed Aug 5, 2025 · Permit 14 123921 BLD
- Cancelled
Heating and ventilation
HVAC - Extend existing office on parking level 1
Applied Oct 7, 2009 · completed Aug 8, 2019 · Permit 09 176939 HVA
- Cancelled
Addition or alteration · Interior alterations
Extend existing office on parking level 1
Applied Oct 7, 2009 · completed Aug 8, 2019 · Permit 09 176939 BLD
- Cancelled
Addition or alteration · Interior alterations
Int alt on 5th floor to unit 504.
Applied Jun 9, 2008 · completed Apr 29, 2025 · Permit 08 167967 BLD
- Closed
Addition or alteration · Interior alterations
To partial 6th floor
Applied Aug 3, 2007 · issued Aug 17, 2007 · completed Nov 28, 2025 · Permit 07 250170 BLD
- Closed (dormant)
Addition or alteration · Interior alterations
**int alt u:600 6th flr
Applied Sep 20, 1999 · issued Nov 16, 1999 · completed Jun 8, 2026 · Permit 99 251465 BLD
- Closed (dormant)
Addition or alteration · Interior alterations
**int/alt ste 408
Applied Jul 7, 1999 · issued Oct 26, 1999 · completed Jun 8, 2026 · Permit 99 251303 BLD
- Closed (dormant)
Addition or alteration · Interior alterations
Int alt ''hugh wood can''
Applied May 28, 1999 · issued Dec 20, 1999 · completed Jun 8, 2026 · Permit 99 251232 BLD
- Closed (dormant)
Addition or alteration · Interior alterations
**INT/ALT
Applied May 21, 1999 · issued Jun 18, 1999 · completed Jun 8, 2026 · Permit 99 251217 BLD
- Closed (dormant)
Addition or alteration · Interior alterations
**int alt''office''
Applied May 18, 1999 · issued Jul 7, 1999 · completed Jun 8, 2026 · Permit 99 251202 BLD
- Closed (dormant)
Addition or alteration · Interior alterations
**int alt-addt'n 4th fl
Applied Apr 9, 1999 · issued May 21, 1999 · completed Jun 8, 2026 · Permit 99 251126 BLD
- Closed (dormant)
Addition or alteration · Interior alterations
**pt/fin''office molson's''
Applied Feb 26, 1999 · issued Aug 17, 1999 · completed Jun 8, 2026 · Permit 99 251064 BLD
- Closed (dormant)
Addition or alteration · Interior alterations
**INT ALT
Applied Jan 25, 1999 · issued Feb 15, 1999 · completed Jun 8, 2026 · Permit 99 251018 BLD
- Closed (dormant)
Addition or alteration · Interior alterations
GROUND FLOOR
Applied Dec 18, 1998 · issued Feb 11, 1999 · completed Jun 8, 2026 · Permit 98 251456 BLD
- Closed (dormant)
Addition or alteration · Interior alterations
''rsi realtime consulting''
Applied Dec 7, 1998 · issued Jan 4, 1999 · completed Jun 8, 2026 · Permit 98 251444 BLD
- Closed (dormant)
Addition or alteration · Interior alterations
Part/fin''o'dowarll inv''
Applied Nov 27, 1998 · issued Mar 18, 1999 · completed Jun 8, 2026 · Permit 98 251433 BLD
- Closed (dormant)
Addition or alteration · Interior alterations
INTERIOR
Applied Nov 10, 1998 · issued Dec 8, 1999 · completed Jun 8, 2026 · Permit 98 251417 BLD
- Closed (dormant)
Addition or alteration · Interior alterations
Int alt 3rd flr
Applied Mar 19, 1997 · issued Apr 27, 1999 · completed Jun 8, 2026 · Permit 97 251059 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
500 homes · Not stated in the file
160 m away · Site plan · Under review · filed Feb 26, 2026
- Under review
40 storeys · 903 homes · Mixed use
260 m away · Rezoning · Under review · filed Aug 7, 2026
- Under review
12 storeys · 98 homes · Mixed use
400 m away · Site plan · Under review · filed Jul 19, 2022
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.
210 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
230 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.
210 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
210 m away · filed Aug 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.