thepermitmap

Street · 2600 of 8,567 by permit count

Building permits on Thorncliffe Ave

The City of Toronto has 70 building permits on record for Thorncliffe Ave, going back to 2000. Those permits created 1 homes and removed 0, a net change of +1. Declared construction value totals $1.7M. The most recent permit was applied for Aug 13, 2026 at 44 Thorncliffe Ave.

Permits on record
702000–2026
Declared construction value
$1.7Mas filed, not adjusted
Homes created
1dwelling units
Homes removed
0net +1

Permits issued per year

20002026 (part year)

Most common work

  • Building Permit Related(PS)18 · 26%
  • Building Permit Related(MS)15 · 21%
  • Multiple Projects13 · 19%
  • Building Permit Related (DR)6 · 9%
  • Interior Alterations3 · 4%
  • Addition(s)3 · 4%
  • Back Water Valve (Sewer only)3 · 4%
  • Underpinning2 · 3%
  • Deck2 · 3%
  • Garage2 · 3%
  • Fixtures/Roof Drains: Other1 · 1%
  • Addition to Existing Building1 · 1%

Structures worked on

  • SFD - Detached40 · 57%
  • SFD - Semi-Detached11 · 16%
  • 2 Unit - Semi-detached6 · 9%
  • Converted House5 · 7%
  • Duplex4 · 6%
  • Triplex1 · 1%
  • 2 Unit - Detached1 · 1%
  • Multiple Unit Building1 · 1%
  • Open Public Swimming Pool1 · 1%

Most recent permits

Issued Work What was filed Value Status
Aug 13, 2026 Building Permit Related(PS) Plumbing - Proposal for interior alterations and underpinning to existing basement to create new suite in existing Duplex which is now a Triplex Open
Sep 27, 2024 Building Permit Related(MS) HVAC - Proposal for interior alterations, underpinning, new door and window. Closed
Apr 2, 2024 Multiple Projects Proposal for interior alterations, underpinning, new door and window. $50K Closed
Apr 2, 2024 Building Permit Related(PS) Plumbing - Proposal for interior alterations, underpinning, new door and window. Closed
Mar 22, 2024 Back Water Valve (Sewer only) Proposal to install a back water valve Closed
Jan 23, 2023 Multiple Projects Revision 01 - Minor adjustment to rear walkout and deck. Side and rear yard setbacks are maintained. Rear yard soft landscape increased by 0.3%.Proposal for multiple projects to an existing 2 storey SFD-detached dwelling. Scope of work includes a 2 storey rear addition, interior alterations, a rear Closed
Jan 5, 2023 Building Permit Related(PS) REVISION - plumbing fixtures in the basementPlumbing - Proposal for multiple projects to an existing 2 storey SFD-detached dwelling. Scope of work includes a 2 storey rear addition, interior alterations, a rear basement walkout and a rear deck. See also 132620 ZAP. Closed
Oct 5, 2022 Building Permit Related(MS) HVAC - Proposal for multiple projects to an existing 2 storey SFD-detached dwelling. Scope of work includes a 2 storey rear addition, interior alterations, a rear basement walkout and a rear deck. See also 132620 ZAP. Closed
Jun 14, 2022 Multiple Projects Rev 01: New sink on 2nd floor, revised exterior openings at west and south. To construct rear one storey addition with basement, side addition, third floor addition, Interior alterations, rear and side platform and stairs, basement underpinning Closed
Dec 3, 2021 Building Permit Related(MS) HVAC - To construct rear one storey addition with basement, side addition, third floor adddition, Interior alterations, rear and side platform and stairs, basement underpinning Closed
Nov 15, 2021 Building Permit Related (DR) Drain - To construct rear one storey addition with basement, side addition, third floor adddition, Interior alterations, rear and side decks, basement underpinning Closed
Nov 15, 2021 Building Permit Related(PS) Plumbing - To construct rear one storey addition with basement, side addition, third floor adddition, Interior alterations, rear and side decks, basement underpinning Closed
Sep 24, 2020 Deck REV #1-ROOF & DECK proposed rear deck with canopy and extension of balcony above, extend roof to cover second storey balcony. Closed
Jul 6, 2020 Garage Proposal to demolish and reconstruct a detached garage. $1K Closed
Feb 12, 2020 Garage Proposal to construct a rear detached garage. $30K Closed
Nov 15, 2019 Deck New rear deck $8K Closed
Jul 15, 2019 Interior Alterations Proposal for interior alterations to enlarge existing windows $5K Open
Sep 11, 2018 Multiple Projects BASEMENT UNDERPINNING & BASEMENT WALK-UP $40K Open
Feb 7, 2017 Multiple Projects Proposal for a partial third floor addition with balcony and interior alterations.see omb, cofa and consent all under 10 Thorncliffe Av $250K Closed
Feb 7, 2017 Building Permit Related(PS) Plumbing - Proposal for a partial third floor addition with balcony and interior alterations. Closed
Feb 7, 2017 Building Permit Related(MS) HVAC - Proposal for a partial third floor addition with balcony and interior alterations. Closed
Feb 7, 2017 Building Permit Related(MS) HVAC - Proposed partial 3rd floor addition and interior alterations Open
Feb 7, 2017 Multiple Projects Proposed partial 3rd floor addition and interior alterations see omb decision $250K Open
Feb 7, 2017 Building Permit Related(PS) Plumbing - Proposed partial 3rd floor addition and interior alterations Open
Jan 31, 2017 Building Permit Related (DR) Drain Revision - Proposal for underpinning to an existing 2 unit-semi dwelling. Closed
Jan 31, 2017 Building Permit Related(PS) Plumbing Revision - Proposal for underpinning to an existing 2 unit-semi dwelling. Closed
Jan 31, 2017 Building Permit Related(PS) Revision - Proposal for underpinning to an existing 2 unit-semi dwelling. Open
Jan 31, 2017 Building Permit Related (DR) Revision - Proposal for underpinning to an existing 2 unit-semi dwelling. Open
Dec 13, 2016 Building Permit Related(MS) HVAC - Renovation to existing dwelling and partial third floor addition Closed
Dec 13, 2016 Addition(s) Renovation to existing dwelling and partial third floor addition $250K Closed
Dec 5, 2016 Back Water Valve (Sewer only) Proposal to install a back flow valve and sump pump. Closed
Jul 15, 2016 Addition(s) Revision #1 - Alter scope of work by adding rear second storey addition and removing third floor addition from scope.To construct one storey rear addition, add dormer and convert third floor attic to living space and interior alterations. Closed
May 16, 2016 Underpinning Proposal for underpinning to an existing 2 unit-semi dwelling. $40K Closed
May 16, 2016 Underpinning Proposal for underpinning to an existing 2 unit-semi dwelling. $40K Open
Apr 28, 2016 Building Permit Related(MS) HVAC - To construct one storey rear addition, add dormer and convert third floor attic to living space and interior alterations. Closed
Apr 14, 2016 Building Permit Related (DR) Drain - To construct one storey rear addition, add dormer and convert third floor attic to living space and interior alterations. Closed
Apr 14, 2016 Building Permit Related(PS) Plumbing - To construct one storey rear addition, add dormer and convert third floor attic to living space and interior alterations. Closed
Feb 11, 2016 Building Permit Related(MS) HVAC - Proposal for interior alterations to all floors of existing SFD dwelling.. Closed
Nov 16, 2015 Back Water Valve (Sewer only) install 4" mainline backwater valve Closed
Jul 13, 2015 Interior Alterations Proposal for interior alterations to all floors of existing SFD dwelling.. $250K Closed

The 40 most recent of 70 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
70
City refresh
2026-09-13 10:24
Page built
2026-09-13
Sheet
STR-153