thepermitmap

Street · 980 of 8,565 by permit count

Building permits on Trethewey Dr

The City of Toronto has 190 building permits on record for Trethewey Dr, going back to 1995. Those permits created 14 homes and removed 1, a net change of +13. Declared construction value totals $10.2M. The most recent permit was issued Sep 8, 2026 at 29 Trethewey Dr.

Permits on record
1901995–2026
Declared construction value
$10.2Mas filed, not adjusted
Homes created
14dwelling units
Homes removed
1net +13

Permits issued per year

20002026 (part year)

Most common work

  • Building Permit Related(MS)31 · 16%
  • Building Permit Related(PS)28 · 15%
  • New Building24 · 13%
  • Interior Alterations15 · 8%
  • Backflow Prevention Devices (Water only)11 · 6%
  • Multiple Projects6 · 3%
  • Sign Building Permit Related6 · 3%
  • Alteration to Existing Building6 · 3%
  • Back Water Valve (Sewer only)6 · 3%
  • Other(BA)5 · 3%
  • Garage5 · 3%
  • Fire Alarm4 · 2%

Structures worked on

  • SFD - Detached50 · 26%
  • Apartment Building40 · 21%
  • SFD - Townhouse24 · 13%
  • 2 Unit - Detached10 · 5%
  • Industrial6 · 3%
  • First Party6 · 3%
  • Office6 · 3%
  • Restaurant Greater Than 30 Seats5 · 3%
  • Police Station with Detention5 · 3%
  • Laneway / Rear Yard Suite4 · 2%
  • Multiple Unit Building4 · 2%
  • Gas Station/Car Wash/Repair Garage4 · 2%

Where this street runs

Most recent permits

Issued Work What was filed Value Status
Sep 8, 2026 Building Permit Related(MS) Revision 1: Revision to the approved HVAC design. Updated mechanical drawings submitted to reflect changes to the furnace, ductwork layout and ventilation system.HVAC - Proposed reconstruction of SFD above main floor subfloor due to irreparable fire damage Open
Jul 23, 2026 New Laneway / Rear Yard Suite Revision: to reflect as built conditions Open
Jun 16, 2026 Sign Building Permit Related 4 first party overhanging structure signs displaying static copy and are illuminated. The signs are located on each of the four elevations of a canopy, at the first storey with the following dimensions:***ESSO***Sign 1: ( reface of panels) 0.91m L x 12.51m W x 0.07m D x 5.333m H above Grade, Sign Fa Open
Jun 4, 2026 Building Permit Related(MS) REV 01: Revised layoutHVAC - Proposal for a new garden suite. Open
Mar 6, 2026 Demolition Proposed reconstruction of existing single family dwelling above main floor subfloor due to irreparable fire damage Demolition
Mar 6, 2026 Building Permit Related(PS) Plumbing - Proposed reconstruction of SFD above main floor subfloor due to irreparable fire damage Open
Mar 6, 2026 New Building - By Renovation Proposed reconstruction of SFD above main floor subfloor due to irreparable fire damage $25K New build
Feb 18, 2026 Building Permit Related (DR) Drain - Proposal for a new garden suite. Open
Feb 4, 2026 Building Permit Related(PS) Plumbing - Proposal for a new garden suite. Open
May 23, 2025 Building Permit Related(PS) Plumbing - Proposed interior alteration for an office, workshop and warehouse space for a company that manufacture exhibition booths. Closed
May 23, 2025 Building Permit Related(MS) HVAC - Proposed interior alteration for an office, workshop and warehouse space for a company that manufacture exhibition booths. Closed
May 23, 2025 Interior Alterations Proposed interior alteration for an office, workshop and warehouse space for a company that manufacture exhibition booths. $300K Open
Aug 10, 2023 Balcony/Guard Repairs PROPOSED: Isolated repairs to the fire damaged balcony slab and balcony railing at unit 1509. $20K Open
Dec 14, 2022 Sign Building Permit Related To erect and display 7 illuminated wall signs.***VARIOUS TENANTS*** Closed
Dec 14, 2021 Building Permit Related(PS) Plumbing - Proposal for interior alterations to adapt existing unit for dental laboratory use. Open
Dec 14, 2021 Building Permit Related(MS) HVAC - Proposal for interior alterations to adapt existing unit for dental laboratory use. Open
Dec 14, 2021 Interior Alterations Proposal for interior alterations to adapt existing unit for dental laboratory use. $150K Open
Nov 10, 2021 Building Permit Related(PS) Plumbing - Proposed alteration of existing office by means of adding a change room, universal washroom, and revised office layout Closed
Nov 10, 2021 Building Permit Related(MS) HVAC - Proposed alteration of existing office by means of adding a change room, universal washroom, and revised office layout Closed
Nov 9, 2021 Interior Alterations Proposed alteration of existing office by means of adding a change room, universal washroom, and revised office layout $700K Open
Oct 19, 2021 Building Permit Related(MS) HVAC - Proposal to replace diesel life safety generator with natural gas fired. Closed
Oct 19, 2021 Other(BA) Proposal to replace diesel life safety generator with natural gas fired. $150K Closed
Sep 20, 2021 Sign Building Permit Related To erect and display two illuminated ground sign.***TIM HORTON***>>>>FAST TRACk>>>> Closed
Sep 10, 2021 Building Permit Related(MS) HVAC - Replace Diesel Life Safety Generator with Natural Gas-Fired. Closed
Aug 27, 2021 Other(BA) Replace Diesel Life Safety Generator with Natural Gas-Fired. $150K Closed
Jul 2, 2021 Canopy w/o Enclosure Isolated concrete repairs to the building canopies and balconies at 720 Trethewey Dr. and replacement of roofing membrane at the canopies. $350K Open
Jun 29, 2021 Other(BA) REV #1-To route electrical conduit through the stairwell in a 2hr fire rated enclosure.Proposal to install CHP Units on the rooftop of an apartment building and connect to existing electrical and hydronic heating systems. Closed
Jun 29, 2021 Other(BA) REV #1-To route electrical conduit through the stairwell in a 2hr fire rated enclosure.Proposal to install CHP Units on the rooftop of an apartment building and connect to existing electrical and hydronic heating systems. Closed
Apr 13, 2021 Multiple Projects REV #1-REVISE LAYOUTProposal for multiple projects to an existing 1 storey detached dwelling. Scope of work includes a 2 storey rear addition, new 2nd floor addition, interior alterations, underpinning, rear basement walkout, 2nd floor balcony, rear deck and the conversion to 2 units. See also 20 12 Closed
Apr 13, 2021 Building Permit Related(MS) REV #1-REVISE LAYOUTHVAC - Proposal for multiple projects to an existing 1 storey detached dwelling. Scope of work includes a 2 storey rear addition, new 2nd floor addition, interior alterations, underpinning, rear basement walkout, 2nd floor balcony, rear deck and the conversion to 2 units. See als Closed
Feb 22, 2021 Building Permit Related(PS) Plumbing - Proposal for complete accessibility upgrades. Closed
Feb 22, 2021 Building Permit Related(MS) HVAC - Proposal for complete accessibility upgrades. Closed
Feb 22, 2021 Multiple Projects Proposal for complete accessibility upgrades. $491K Open
Jan 26, 2021 Building Permit Related(MS) HVAC - Proposal to install CHP Units on the rooftop of an apartment building and connect to existing electrical and hydronic heating systems. Closed
Jan 26, 2021 Building Permit Related(MS) HVAC - Proposal to install CHP Units on the rooftop of an apartment building and connect to existing electrical and hydronic heating systems. Closed
Jan 19, 2021 Building Permit Related (DR) Drain - Proposal for multiple projects to an existing 1 storey detached dwelling. Scope of work includes a 2 storey rear addition, new 2nd floor addition, interior alterations, underpinning, rear basement walkout, 2nd floor balcony, rear deck and the conversion to 2 units. See also 20 120443 ZZC and Closed
Jan 19, 2021 Building Permit Related(PS) Plumbing - Proposal for multiple projects to an existing 1 storey detached dwelling. Scope of work includes a 2 storey rear addition, new 2nd floor addition, interior alterations, underpinning, rear basement walkout, 2nd floor balcony, rear deck and the conversion to 2 units. See also 20 120443 ZZC Closed
Aug 4, 2020 Back Water Valve (Sewer only) Proposal to install a back water valve Closed
Jul 29, 2020 Building Permit Related(PS) Plumbing - Construct an addition, interior alteration and a secondary suite Closed
Jun 30, 2020 Multiple Projects Construct an addition, interior alteration and a secondary suite $250K Closed

The 40 most recent of 190 permits on record. Figures come from the City’s active and cleared permit datasets, refreshed daily — what that covers, and what it misses.

Source
City of Toronto Open Data
Dataset
Building permits, active + cleared
Records
190
City refresh
2026-09-12 10:24
Page built
2026-09-12
Sheet
STR-210