thepermitmap

Street · 1317 of 8,565 by permit count

Building permits on Twelfth St

The City of Toronto has 145 building permits on record for Twelfth St, going back to 1997. Those permits created 52 homes and removed 5, a net change of +47. Declared construction value totals $11.6M. The most recent permit was issued Sep 10, 2026 at 99 Twelfth St.

Permits on record
1451997–2026
Declared construction value
$11.6Mas filed, not adjusted
Homes created
52dwelling units
Homes removed
5net +47

Permits issued per year

20002026 (part year)

Most common work

  • Building Permit Related(PS)25 · 17%
  • Building Permit Related(MS)22 · 15%
  • Back Water Valve (Sewer only)19 · 13%
  • New Building13 · 9%
  • Deck9 · 6%
  • Building Permit Related (DR)8 · 6%
  • Multiple Projects8 · 6%
  • Demolition7 · 5%
  • Addition(s)6 · 4%
  • Interior Alterations4 · 3%
  • Garage3 · 2%
  • Other(PS)2 · 1%

Structures worked on

  • SFD - Detached103 · 71%
  • SFD - Townhouse26 · 18%
  • Apartment Building13 · 9%
  • Unspecified2 · 1%
  • SFD - Semi-Detached1 · 1%

Most recent permits

Issued Work What was filed Value Status
Sep 10, 2026 Garage Proposal to demolish garage and replace with mostly garden. No replacement garage. $8K Open
Aug 17, 2026 Multiple Projects Demolish existing garage, tear out backyard asphalt and garage cement pad, remove patio stones and replace with a smaller area of interlocking brick, single car carport and large garden area $30K Closed
May 26, 2026 Back Water Valve (Sewer only) Back Water Valve Installation Open
Nov 7, 2025 New Building Rev 01: Changes to second floor layout and windowsPROPOSED NEW 2 STOREY DETACHED S.F.D. WITH A FINISHED WALKOUT BASEMENT, REAR WOOD DECK, FRONT PORCH AND INTEGRATED GARAGE New build
Oct 2, 2025 Multiple Projects Revision 01: Proposal to revise sunroom - two propsoed windows with fire shutters on first floor, one north wall, one south wall, removed from proposed scope of work. W5 window provided as modfied window from previous proposed window with increased depthProposal for the design of a single storey unc Open
Jul 30, 2025 Building Permit Related (DR) Drain - PROPOSED NEW 2 STOREY DETACHED S.F.D. WITH A FINISHED WALKOUT BASEMENT, REAR WOOD DECK, FRONT PORCH AND INTEGRATED GARAGE Open
Jul 30, 2025 Building Permit Related(PS) Plumbing - PROPOSED NEW 2 STOREY DETACHED S.F.D. WITH A FINISHED WALKOUT BASEMENT, REAR WOOD DECK, FRONT PORCH AND INTEGRATED GARAGE Open
Jul 30, 2025 Building Permit Related(MS) HVAC - PROPOSED NEW 2 STOREY DETACHED S.F.D. WITH A FINISHED WALKOUT BASEMENT, REAR WOOD DECK, FRONT PORCH AND INTEGRATED GARAGE Open
Jun 10, 2025 Demolition Proposal to demolish existing dwelling and construct a new two storey detached dwelling. Demolition
Jun 10, 2025 Building Permit Related (DR) Drain - Proposal to construct a new two storey detached dwelling complete with a rear yard deck, basement walkout. Open
Jun 10, 2025 Building Permit Related(PS) Plumbing - Proposal to construct a new two storey detached dwelling complete with a rear yard deck, basement walkout. Open
Jun 10, 2025 Building Permit Related(MS) HVAC - Proposal to construct a new two storey detached dwelling complete with a rear yard deck, basement walkout. Open
Jun 10, 2025 New Building Proposal to construct a new two storey detached dwelling complete with a rear yard deck, basement walkout. $400K New build
Jun 4, 2025 Demolition Proposal for a new 2 storey SFD-Detached. Demolition
Jun 4, 2025 Building Permit Related (DR) Drain - Proposal for a new 2 storey SFD-Detached. Open
Jun 4, 2025 Building Permit Related(PS) Plumbing - Proposal for a new 2 storey SFD-Detached. Open
Jun 4, 2025 Building Permit Related(MS) HVAC - Proposal for a new 2 storey SFD-Detached. Open
Jun 4, 2025 New Building Proposal for a new 2 storey SFD-Detached. $400K New build
Mar 21, 2025 Building Permit Related(MS) HVAC - Proposal for rear two storey addition, interior alterations, underpinning, new beck and porch Closed
Feb 27, 2025 Back Water Valve (Sewer only) proposed backware valve install Closed
Sep 27, 2024 Building Permit Related(MS) HVAC - Proposal to construct 2 storey brick detached dwelling Open
Sep 3, 2024 Demolition Proposal to demolish the existing Sfd and construct a new one. Demolition
Sep 3, 2024 Building Permit Related(PS) Plumbing - Proposal to construct 2 storey brick detached dwelling Open
Sep 3, 2024 Building Permit Related (DR) Drain - Proposal to construct 2 storey brick detached dwelling Open
Sep 3, 2024 New Building Proposal to construct 2 storey brick detached dwelling $700K New build
Aug 22, 2024 Back Water Valve (Sewer only) Back Water Valve Closed
Aug 19, 2024 Back Water Valve (Sewer only) Back Water Valve installation Closed
Aug 19, 2024 Back Water Valve (Sewer only) Back Water Valve Closed
Aug 15, 2024 Back Water Valve (Sewer only) Proposed backwater valve installation. Closed
Jul 30, 2024 Back Water Valve (Sewer only) installation of backwater valve Closed
Jul 29, 2024 Building Permit Related (DR) Drain - Proposal for rear two storey addition, interior alterations, underpinning, new beck and porch Closed
Jul 29, 2024 Multiple Projects Proposal for rear two storey addition, interior alterations, underpinning, new beck and porch $310K Closed
Jul 29, 2024 Building Permit Related(PS) Plumbing - Proposal for rear two storey addition, interior alterations, underpinning, new beck and porch Closed
Jul 18, 2024 Building Permit Related(MS) HVAC - Proposal to demolish existing dwelling and construct a new 2-storey SFD with integral garage. Closed
Jul 4, 2024 Back Water Valve (Sewer only) Installation of a back water valve Closed
May 2, 2024 Building Permit Related (DR) Drain - Proposal to demolish existing dwelling and construct a new 2-storey SFD with integral garage. Closed
May 2, 2024 Demolition Proposal to demolish existing dwelling and construct a new 2-storey SFD with integral garage. Demolition
May 2, 2024 New Building Proposal to demolish existing dwelling and construct a new 2-storey SFD with integral garage. $800K New build
May 2, 2024 Building Permit Related(PS) Plumbing - Proposal to demolish existing dwelling and construct a new 2-storey SFD with integral garage. Closed
Feb 20, 2024 Back Water Valve (Sewer only) Proposal to install backwater valve. Closed

The 40 most recent of 145 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
145
City refresh
2026-09-12 10:24
Page built
2026-09-12
Sheet
STR-930