Toronto address · Ward 7, Humber River-Black Creek
4100 Weston Rd
The City of Toronto has 35 building permits since 2017 (6 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.
- Not started
Addition or alteration · Interior alterations
Proposed interior alterations of office
Applied Sep 9, 2026 · Permit 26 234270 BLD
- Permit issued
Fire and security upgrade · Electromagnetic locks
Proposed addition of magnetic lock and door controls to one existing door.
Applied Nov 10, 2025 · issued Nov 12, 2025 · Permit 25 251968 FSU
- Cancelled
Fire and security upgrade · Electromagnetic locks
Proposed addition of magnetic lock and door controls to one existing door.
Applied Sep 17, 2025 · completed Sep 26, 2025 · Permit 25 226655 FSU
- Approved
Alternative solution
Alternative solution (Travel distance and time based egress)
Applied May 28, 2025 · completed Jul 11, 2025 · Permit 25 166842 ALT
- Permit issued
Addition or alteration · Interior alterations
Proposal for interior alterations for packaging upgrades - LINE B
Applied Apr 22, 2025 · issued Jul 14, 2025 · Permit 25 146967 BLD
- Inspections under way
Heating and ventilation
HVAC - Proposal for interior alterations for packaging upgrades - LINE B
Applied Apr 22, 2025 · issued Jul 14, 2025 · Permit 25 146967 HVA
- Permit issued
Fire and security upgrade · Electromagnetic locks
Maglock Installation - Packaging Upgrade Line B - 7 maglocks
Applied Apr 17, 2025 · issued Apr 22, 2025 · Permit 25 146433 FSU
- Closed
Addition or alteration · Interior alterations
Packaging upgrades line q
Applied Oct 9, 2024 · issued Nov 7, 2024 · completed Oct 15, 2025 · Permit 24 223879 BLD
- Closed
Heating and ventilation
Hvac - packaging upgrades line q
Applied Oct 9, 2024 · issued Dec 23, 2024 · completed Aug 19, 2025 · Permit 24 223879 HVA
- Closed
Fire and security upgrade · Electromagnetic locks
Maglock installation- packaging upgrade line q
Applied Oct 8, 2024 · issued Oct 16, 2024 · completed Sep 26, 2025 · Permit 24 223678 FSU
- Closed
Heating and ventilation
HVAC - Proposal for packaging upgrades - line D
Applied Feb 22, 2024 · issued Apr 18, 2024 · completed Nov 20, 2024 · Permit 24 117791 HVA
- Closed
Addition or alteration · Interior alterations
Proposal for packaging upgrades - Line D
Applied Feb 22, 2024 · issued Apr 5, 2024 · completed Jan 28, 2025 · Permit 24 117791 BLD
Show 23 more permits
- Closed
Fire and security upgrade · Electromagnetic locks
Proposal for maglock installation- packaging line D
Applied Feb 22, 2024 · issued Apr 5, 2024 · completed Jan 28, 2025 · Permit 24 117855 FSU
- Closed
Heating and ventilation
HVAC - Proposal for interior alterations to TRANSITION ZONE(4101-2931A)
Applied Jan 15, 2024 · issued Feb 9, 2024 · completed Nov 11, 2024 · Permit 24 104097 HVA
- Closed
Fire and security upgrade · Electromagnetic locks
Proposal to install two maglocks at TRANSITION ZONE(4101-2931A)
Applied Jan 12, 2024 · issued Mar 13, 2024 · completed Nov 7, 2024 · Permit 24 104099 FSU
- Closed
Addition or alteration · Interior alterations
Proposal for interior alterations to TRANSITION ZONE(4101-2931A)[Clean to Unclean area]
Applied Jan 12, 2024 · issued Feb 9, 2024 · completed Nov 12, 2024 · Permit 24 104097 BLD
- Closed
Fire and security upgrade · Electromagnetic locks
Proposed installation of 1 addtional maglock (located on exterior door of drawing E-501)
Applied Dec 13, 2023 · issued Jan 24, 2024 · completed Jul 31, 2024 · Permit 23 235335 FSU
- Closed
Addition or alteration · Interior alterations
Warehouse interior alterations and sprinkler upgrades
Applied Nov 7, 2023 · issued May 6, 2024 · completed Jul 31, 2024 · Permit 23 223153 BLD
- Closed
Addition or alteration · Interior alterations
Packaging upgrades line f.
Applied Aug 3, 2023 · issued Oct 19, 2023 · completed Oct 2, 2024 · Permit 23 184173 BLD
- Closed
Fire and security upgrade · Electromagnetic locks
Maglock installation for Line F.
Applied Aug 3, 2023 · issued Oct 25, 2023 · completed Oct 18, 2024 · Permit 23 184187 FSU
- Closed
Heating and ventilation
Hvac - packaging upgrades line f.
Applied Aug 3, 2023 · issued Oct 19, 2023 · completed Aug 13, 2024 · Permit 23 184173 HVA
- Closed
Fire and security upgrade · Sprinklers
Proposal to modify existing sprinkler system
Applied Dec 22, 2022 · issued Jan 3, 2023 · completed Aug 17, 2023 · Permit 22 241938 FSU
- Closed
Addition or alteration · Interior alterations
Interior alterations to existing building - package line upgrade
Applied Oct 17, 2022 · issued Dec 9, 2022 · completed Oct 4, 2023 · Permit 22 217900 BLD
- Closed
Heating and ventilation
HVAC - Interior alterations to existing building - package line upgrade
Applied Oct 17, 2022 · issued Dec 9, 2022 · completed Sep 1, 2023 · Permit 22 217900 HVA
- Closed
Fire and security upgrade · Electromagnetic locks
Maglock instatllation to existing building
Applied Oct 17, 2022 · issued Dec 14, 2022 · completed Sep 28, 2023 · Permit 22 217874 FSU
- Closed
Fire and security upgrade · Fire alarm
REV 01: To delete the previously shown air sampling type smoke detection systems in warehouse. Warehouse areas are fully sprinklered and sprinkler system is monitored by the fire alarm system.Replace existing obsolete fire alarm system and modifications to detection device layout
Applied Mar 31, 2022 · issued Jun 3, 2022 · completed Apr 4, 2023 · Permit 21 243491 FSU (revision 01)
- Closed
Addition or alteration · Interior alterations
Proposal for Interior Alterations to the second floor on existing industrial building.
Applied Jan 4, 2022 · issued Feb 3, 2022 · completed Apr 30, 2023 · Permit 22 100468 BLD
- Closed
Heating and ventilation
HVAC - Proposal for Interior Alterations to the second floor.
Applied Jan 4, 2022 · issued Feb 16, 2022 · completed Oct 5, 2022 · Permit 22 100468 HVA
- Closed
Fire and security upgrade · Electromagnetic locks
Proposal for electromagnetic locks.
Applied Jan 4, 2022 · issued Feb 2, 2022 · completed May 3, 2023 · Permit 22 100534 FSU
- Closed
Fire and security upgrade · Fire alarm
Replace existing obsolete fire alarm system and modifications to detection device layout
Applied Nov 30, 2021 · issued Jan 12, 2022 · completed Apr 4, 2023 · Permit 21 243491 FSU
- Closed
Fire and security upgrade · Electromagnetic locks
Installation of electromagnetic lock
Applied Feb 10, 2020 · issued Feb 18, 2020 · completed Oct 26, 2020 · Permit 20 114162 FSU
- Closed
Fire and security upgrade · Electromagnetic locks
Proposal to install 4 maglocks in Industrial Pharmaceutical Production Plant.
Applied Aug 16, 2018 · issued Sep 10, 2018 · completed Jan 14, 2019 · Permit 18 210356 FSU
- Closed
Addition or alteration · Interior alterations
Interior alterations to warehouse
Applied Jun 28, 2012 · issued Jul 30, 2012 · completed Feb 2, 2021 · Permit 12 202125 BLD
- Closed
Heating and ventilation
HVAC - Interior alterations to warehouse
Applied Jun 28, 2012 · issued Aug 7, 2020 · completed Mar 3, 2021 · Permit 12 202125 HVA
- Closed
Fire and security upgrade · Other
Proposal to replace existing card access system with a new system for (34) existing maglocks within an existing pharmecutical manufacturing building - APOTEX.
Applied Jun 24, 2011 · issued Jul 11, 2011 · completed Nov 13, 2020 · Permit 11 226911 FSU
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
Neighbours’ Committee of Adjustment files within 250 m
None on file since 2017.
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.