Toronto address · Ward 17, Don Valley North

4800 Leslie St

The City of Toronto has 21 building permits since 2017 (9 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.

Fire and security upgrade · Fire alarm
Proposal for fire alarm replacement
Applied Jun 22, 2026 · issued Jul 27, 2026 · Permit 26 189264 FSU
Permit issued
Heating and ventilation
HVAC - Proposal for interior fit out for a new medical office with new exam rooms, offices, waiting rooms, etc.
Applied May 24, 2022 · issued May 31, 2022 · completed Oct 18, 2022 · Permit 22 150521 HVA
Closed
Addition or alteration · Interior alterations
Proposal for interior fit out for a new medical office with new exam rooms, offices, waiting rooms, etc.
Applied May 24, 2022 · issued May 31, 2022 · completed Jan 27, 2023 · Permit 22 150521 BLD
Closed
Plumbing
Plumbing - Proposal for interior fit out for a new medical office with new exam rooms, offices, waiting rooms, etc.
Applied May 24, 2022 · issued May 31, 2022 · completed Oct 18, 2022 · Permit 22 150521 PLB
Closed
Heating and ventilation
HVAC - Interior Alterations to existing suite unit LL2 FOR Lifelabs LLC.
Applied Mar 3, 2020 · issued Apr 7, 2020 · completed May 4, 2021 · Permit 20 121325 HVA
Closed
Plumbing
Plumbing - Interior Alterations to existing suite unit LL2 FOR Lifelabs LLC.
Applied Mar 3, 2020 · issued Apr 7, 2020 · completed Apr 30, 2021 · Permit 20 121325 PLB
Closed
Addition or alteration · Interior alterations
Interior Alterations to existing suite unit LL2 FOR Lifelabs LLC.
Applied Mar 3, 2020 · issued Apr 7, 2020 · completed May 5, 2021 · Permit 20 121325 BLD
Closed
Addition or alteration · Interior alterations
Proposal for interior alterations to suite 303 in the existing multiple use building currently being used for Office and a Personal Service Shop. Scope of work includes demo and construction of partition walls and plumbing, electrical and hvac in the office space.
Applied Dec 13, 2016 · issued Dec 23, 2016 · completed Apr 25, 2017 · Permit 16 263967 BLD
Closed
Plumbing
Plumbing - Proposal for interior alterations to suite 303 in the existing multiple use building currently being used for Office and a Personal Service Shop. Scope of work includes demo and construction of partition walls and plumbing, electrical and hvac in the office space.
Applied Dec 13, 2016 · issued Jan 25, 2017 · completed Mar 27, 2017 · Permit 16 263967 PLB
Closed
Heating and ventilation
HVAC - Proposal for interior alterations to suite 303 in the existing multiple use building currently being used for Office and a Personal Service Shop. Scope of work includes demo and construction of partition walls and plumbing, electrical and hvac in the office space.
Applied Dec 13, 2016 · issued Jan 25, 2017 · completed Apr 10, 2017 · Permit 16 263967 HVA
Closed
Plumbing
Plumbing - INTERIOR RENOVATION OF EXISTING LIFELABS SUITE
Applied Jul 2, 2014 · issued Aug 6, 2014 · completed Mar 2, 2020 · Permit 14 183336 PLB
Closed
Heating and ventilation
Hvac - interior renovation of existing lifelabs suite
Applied Jul 2, 2014 · issued Aug 6, 2014 · completed Oct 22, 2019 · Permit 14 183336 HVA
Closed

Show 9 more permits

Plumbing
Plumbing - Construct interior alterations for Dr. Caroline So
Applied Feb 25, 2014 · issued Apr 24, 2014 · Permit 14 121637 PLB
Inspections under way
Heating and ventilation
HVAC - Construct interior alterations for Dr. Caroline So
Applied Feb 25, 2014 · issued Apr 24, 2014 · Permit 14 121637 HVA
Permit issued
Addition or alteration · Interior alterations
Construct interior alterations for Dr. Caroline So
Applied Feb 25, 2014 · issued Apr 24, 2014 · Permit 14 121637 BLD
Permit issued
Heating and ventilation
HVAC - Unit 414 - H.E.R.E Dental
Applied Jun 28, 2010 · issued Aug 6, 2010 · completed Jun 8, 2026 · Permit 10 205636 HVA
Closed (dormant)
Plumbing
Plumbing - Unit 414 - H.E.R.E Dental
Applied Jun 28, 2010 · issued Aug 6, 2010 · Permit 10 205636 PLB
Inspections under way
Addition or alteration · Interior alterations
Unit 414 - H.E.R.E Dental
Applied Jun 24, 2010 · issued Aug 6, 2010 · Permit 10 205636 BLD
Inspections under way
Addition or alteration · Interior alterations
unit 115
Applied Mar 19, 2008 · issued Apr 9, 2008 · Permit 08 120720 BLD
Inspections under way
Addition or alteration · Interior alterations
Int Alt on the 2nd floor of existing medical centre for Ambrose Orthodontics to unit 204.
Applied Jul 26, 2006 · issued Jul 28, 2006 · Permit 06 160785 BLD
Inspections under way
Addition or alteration · Interior alterations
Int Alt on the 2nd floor to Ambrose Orthodontics in unit 204.
Applied Jul 26, 2006 · Permit 06 160780 BLD
Application on hold

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

No rezoning, site plan, subdivision or condominium file open within 500 m, and no pre-construction project on the site.

Neighbours’ Committee of Adjustment files within 250 m

66 Corning Rd · Consent
To obtain consent to sever the property into two undersized residential lots. Please note this property was the subject of a previous Consent application (File No. B0046/17NY) that was approved on condition on April 19, 2018, however, the approval has lapsed.
250 m away · filed May 1, 2026 · Approved
66 Corning Rd · Minor variance
LOT A - Proposal to construct a new 2 storey SFD-detached dwelling
250 m away · filed Apr 17, 2026 · Application withdrawn
20 Lesgay Cres · Minor variance
To construct a new detached dwelling.
100 m away · filed Jun 27, 2024 · Approved
66 Corning Rd · Minor variance
To construct a new two storey dwelling with integral garage.
250 m away · filed Jun 23, 2017 · Approved
66 Corning Rd · Consent
To obtain consent to sever the property into two undersized residential lots.
250 m away · filed Jun 23, 2017 · Approved
66 Corning Rd · Minor variance
To construct a new two storey dwelling with integral garage.
250 m away · filed Jun 23, 2017 · Approved

Everything planned in Don Valley North

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.