thepermitmap

Street · 646 of 8,567 by permit count

Building permits on Cowan Ave

The City of Toronto has 270 building permits on record for Cowan Ave, going back to 1988. Those permits created 33 homes and removed 4, a net change of +29. Declared construction value totals $5.8M. The most recent permit was issued Aug 18, 2026 at 185 Cowan Ave.

Permits on record
2701988–2026
Declared construction value
$5.8Mas filed, not adjusted
Homes created
33dwelling units
Homes removed
4net +29

Permits issued per year

20002026 (part year)

Most common work

  • Building Permit Related(PS)53 · 20%
  • Multiple Projects38 · 14%
  • Building Permit Related(MS)30 · 11%
  • Interior Alterations22 · 8%
  • Building Permit Related (DR)19 · 7%
  • Back Water Valve (Sewer only)15 · 6%
  • Unknown11 · 4%
  • Party Wall Admin Permits9 · 3%
  • Addition(s)8 · 3%
  • Other(SR)8 · 3%
  • Garage7 · 3%
  • Underpinning7 · 3%

Structures worked on

  • SFD - Detached80 · 30%
  • SFD - Semi-Detached66 · 24%
  • 2 Unit - Detached21 · 8%
  • Converted House18 · 7%
  • SFD - Townhouse15 · 6%
  • 2 Unit - Semi-detached14 · 5%
  • 3+ Unit - Detached13 · 5%
  • Unknown11 · 4%
  • Apartment Building10 · 4%
  • 3+ Unit - Semi-detached5 · 2%
  • Boarding/Lodging House4 · 1%
  • Other3 · 1%

Most recent permits

Issued Work What was filed Value Status
Aug 18, 2026 Building Permit Related(MS) HVAC - Proposal for front addition, a front porch, a rear deck, and basement underpinning to existing two-storey detached house to add a secondary suite in the basement Open
Aug 7, 2026 Multiple Projects Proposal to legalize use as an apartment building with 9 units total, add a 3 P.C. washroom, relocate 3 P.C. washroom, add 3- second storey egress, interior alterations to entry to basement & 1 stair landing. $100K Open
Aug 7, 2026 Building Permit Related(PS) Plumbing - Proposal to legalize use as an apartment building with 9 units total, add a 3 P.C. washroom, relocate 3 P.C. washroom, add 3- second storey egress, interior alterations to entry to basement & 1 stair landing. Open
Jul 6, 2026 Building Permit Related(PS) Plumbing - Interior alterations to an exsiting apartment building to legalize 3 additional units located in the basement (units D E and F ) and a new entrance. total units from 6 to 9. Closed
Jul 6, 2026 Other(BA) Interior alterations to an exsiting apartment building to legalize 3 additional units located in the basement (units D E and F ) and a new entrance. total units from 6 to 9. $100K Closed
Jun 23, 2026 Multiple Projects Proposal to enclose existing front porch, underpinning, create a secondary suite, rear deck, and interior alterations throughout dwelling $300K Open
Jun 19, 2026 Interior Alterations Replacement of existing columns in basement $50K Open
Apr 27, 2026 Building Permit Related (DR) Drain - Underpinning of existing basement, new exterior basement entrance, interior alteration of basement to create a secondary suite. Open
Apr 27, 2026 Building Permit Related(PS) Plumbing - Underpinning of existing basement, new exterior basement entrance, interior alteration of basement to create a secondary suite. Open
Apr 27, 2026 Multiple Projects Underpinning of existing basement, new exterior basement entrance, interior alteration of basement to create a secondary suite. $125K Open
Apr 1, 2026 Building Permit Related (DR) Drain - Proposal for interior alterations, underpinning, new basement entrance to create a secondary suite. Closed
Apr 1, 2026 Multiple Projects Proposal for interior alterations, underpinning, new basement entrance to create a secondary suite. $125K Closed
Apr 1, 2026 Building Permit Related(PS) Plumbing - Proposal for interior alterations, underpinning, new basement entrance to create a secondary suite. Closed
Mar 27, 2026 Multiple Projects Proposal for basement underpinning and finish the basement $50K Open
Mar 27, 2026 Building Permit Related(PS) Plumbing - Proposal for basement underpinning and finish the basement Open
Mar 27, 2026 Building Permit Related (DR) Drain - Proposal for basement underpinning and finish the basement Open
Mar 25, 2026 Building Permit Related (DR) Drain - Proposal for interior alterations, underpinning, new basement entrance to create a secondary suite. Closed
Mar 25, 2026 Multiple Projects Proposal for interior alterations, underpinning, new basement entrance to create a secondary suite. $125K Closed
Mar 25, 2026 Building Permit Related(PS) Plumbing - Proposal for interior alterations, underpinning, new basement entrance to create a secondary suite. Closed
Feb 9, 2026 Building Permit Related(PS) Plumbing - Proposal for interior alterations to remove load-bearing wall. Open
Feb 5, 2026 Interior Alterations Proposal for interior alterations to remove load-bearing wall. $20K Open
Nov 18, 2025 Garage Revision: changes to garage materials and window size Open
Oct 1, 2025 Accessory Building(s) Proposal to install stairs and railing ontop of garage roof. $5K Open
Sep 15, 2025 Demolition Proposal to demolish existing 3 storey rooming house, subject to BCA 15.9 order Demolition
Sep 15, 2025 Demolition Proposal to demolish existing 3 storey rooming house, subject to BCA 15.9 order Demolition
Aug 20, 2025 Back Water Valve (Sewer only) Proposed installation of backwater valve. Closed
Jul 17, 2025 Fire Damage Proposal for Fire Damage Restoration of Rear Balcony and Brick Open
Jun 13, 2025 Porch Rebuild front porch to exact dimensions as existing. $25K Closed
Jun 12, 2025 Interior Alterations Proposal to install a exterior stair and new entry. $8K Closed
May 6, 2025 Back Water Valve (Sewer only) Installation of a backwater valve Closed
Feb 20, 2025 Re-Roofing/Re-Cladding Proposal to restore steeple. $100K Open
Dec 16, 2024 Porch Rebuild front porch to exact dimensions as existing. $25K Closed
Oct 2, 2024 Building Permit Related(MS) REV01: Proposed revision to completely replace the drawings and calculations.HVAC - Proposed basement underpinning in existing converted 3 dwelling units. Open
Sep 30, 2024 Porch Rebuild front porch to exact dimensions of existing $25K Closed
Sep 18, 2024 Multiple Projects Proposal to reconstruct the existing front porch, repair to second storey balcony and create an additional (separate) entrance to the second floor apartment. Conversion of existing SFD to Duplex. $70K Open
Aug 19, 2024 Building Permit Related(PS) Plumbing - Proposed garage renovation. Raise ceiling height and roof, provide insulation and replace windows and doors. Open
Aug 19, 2024 Building Permit Related (DR) Drain - Proposed garage renovation. Raise ceiling height and roof, provide insulation and replace windows and doors. Open
Jun 13, 2024 Garage Proposed garage renovation.Raise ceiling height and roof, provide insulation and replace windows and doors. Closed
Apr 24, 2024 Interior Alterations REVISION 2 - minor changes to the interior layout, 2nd and 3rd floor balconies at the front of the building. See also 21 165898 ZZC and 21 176332 MV.Proposal for interior alterations for existing 3 unit detached dwelling. Open
Apr 15, 2024 Interior Alterations Proposal for interior alterations in the basement to add a 3rd dwelling unit, in the existing semi dwelling. $75K Closed

The 40 most recent of 270 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
270
City refresh
2026-09-13 10:24
Page built
2026-09-13
Sheet
STR-669